International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
Co
COBITIDAE Swainson 1839, in Lardner, The Cabinet Cyclopedia, vol. 2, p. 190 (type genus: Cobitis Linnaeus 1758), spelling emended from COBITIDIDAE by the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of the generic name Cobitis Linnaeus,1758 is COBIT- (Osteichthyes, Cypriniformes). Opinion 1500
Cobitis Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 303 (gender: feminine) (type species, by designation under the plenary power: Cobitis taenia Linnaeus 1758) (Osteichthyes, Cypriniformes). Opinion 1500
Cobra Laurenti 1768, Specimen medicum: 103 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 1
coburgensis Berger 1833 [originally in Thalassides], Neues Jahrb. Min., 1833: 69 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 292
coccinea Renier [1804] [originally in Amphinome], Prospetto Classe Vermi: xviii (included in a work rejected for nomenclatural purposes). Opinion 316
coccinea Linnaeus 1761 [originally in Cantharis], Fauna Suecica, Ed. 2, p. 202 (specific name of the type species of Pyrochroa Geoffroy 1762) (Insecta, Coleoptera). Opinion 1754
coccineus Blumenbach 1788 [originally in Coluber], Magazin f. d. neuste aus d. Physik u. Naturg., 5(1): 11, pl. 1 (Reptilia). Opinion 804
cocco Prestandrea 1833 [originally in Peneus], Effem. sci. lett. Sicilia, 6: 6 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 611
Coccobius Ratzeburg 1852, Die Ichneumonen der Forstinsecten in forstlicher und entomologischer Beziehung, vol. 3, p. 195 (gender: masculine) (type genus, by subsequent designation by Gahan & Fagan 1923, Bulletin of the United States National Museum, 124: 37: Coccobius annulicornis Ratzeburg 1852) (Insecta, Hymenoptera). Opinion 1646
COCCOLITHIDAE Poche 1913, Arch. Protistenk., 30: 157 (type genus: Coccolithus Schwarz 1894) (Coccolithophorida). Opinion 805
Coccolithus Schwarz 1894, Ann. Mag. nat. Hist., (6)14: 341-346 (gender: masculine) (type species, by monotypy: Coccolithus oceanicus Schwarz 1894, Ann. Mag. nat. Hist., (6)14: 346, valid name: Coccosphaera pelagica Wallich 1877) (Coccolithophorida). Opinion 805
Coccus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 455 (gender: masculine) (type species, by designation under the plenary power: Coccus hesperidum Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 455) (Insecta, Hemiptera). Opinion 1303
coccus Costa 1829 [originally in Dactylopius], Fauna del Regno di Napoli, Coccinigliferi: 16 (specific name of the type species of Dactylopius Costa Nov. 1829) (Insecta, Hemiptera). Opinion 1247
Coccyzus Vieillot 1816, Analyse nouv. Ornithol. élém.: 28 (gender: masculine) (type species, by monotypy: Cuculus americanus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 111) (Aves). Opinion 67
Cochlea Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 143 (included in a work rejected for nomenclatural purposes). Opinion 592
Cochlicella Férussac 1821, Tabl. syst. Anim. moll. terrestr. fluviat.: 56 (gender: feminine) (type species, by designation by Gray 1847 (Proc. zool. Soc. London, 15: 173): Helix conoidea Draparnaud [1801], Tabl. Moll. terrestr. fluviat. France: 68) (Gastropoda). Opinion 335
Cochliomyia Townsend 1915, Journal of the Washington Academy of Sciences, 5: 644 (gender: feminine) (type species, by original designation: Musca macellaria Fabricius 1775) (Insecta, Diptera). Opinion 1399
Cochlopupa Jan 1830 (Gastropoda). ICZN 2018: Opinion 2422
coelebs Linnaeus 1758 [originally in Fringilla], Systema Naturae, Ed. 10, vol. 1, p. 179 (specific name of the type species of Fringilla Linnaeus 1758) (Aves). Direction 17
coelestinus Cope 1862 [originally in Anolis] (Reptilia, Squamata): conservation of usage of specific name not approved. ICZN 2020: Opinion 2449 (Case 3672)
Coeliodes Schönherr 1837, Genera et Species Curculionidum, vol. 4, p. 282 (gender: masculine) (type species, by original designation: Curculio quercus Fabricius 1787, a junior primary homonym replaced by Curculio dryados Gmelin 1790) (Insecta, Coleoptera). Opinion 1529
Coeloides Wesmael 1838, Nouveaux Mémoires de l’Académie Royale des Sciences et Belles-Lettres de Bruxelles, 11: 59 (gender: masculine) (type species, ruled under the plenary power to be by subsequent designation by Telenga 1936, Faune de l’URSS (Institut Zoologique de l’Académie des Sciences de l’URSS), 5(2): 74: Coeloides scolyticida Wesmael 1838) (Insecta, Hymenoptera). Opinion 1530
Coelophysis Cope 1889, American Naturalist, 23: 626 (gender: feminine) (type species, by subsequent designation by Hay 1930, Second bibliography and catalogue of the fossil Vertebrata of North America, vol. 2, p. 186: Coelurus bauri Cope 1887) (Reptilia, Saurischia). Opinion 1842
Coelotes Blackwall 1841, Trans. linn. Soc. London, 18(4): 618 (gender: masculine) (type species, by monotypy: Clubiona saxatilis Blackwall 1833, London Phil. Mag. J. Sci., (3)3: 436) (Arachnida). Opinion 1119
Coenobita Latreille 1829, Les Crustacés, les Arachnides et les Insectes, distribués en familles naturelles, ouvrage formant les tomes 4 et 5 celui de M. le baron Cuvier sur le règne animal, Ed. 2, p. 77 (gender: masculine) (type species, by monotypy: Pagurus clypeatus Fabricius 1787) (Crustacea, Decapoda). Opinion 1575
COENOBITIDAE Dana 1851, Proceedings of the Academy of Natural Sciences of Philadelphia, 5: 269, correction by Ortmann 1892, Zoologische Jahrbücher (Systematik, Geographie und Biologie), 6: 271, of CENOBITIDAE (type genus: Coenobita Latreille 1829) (Crustacea, Decapoda). Opinion 1575
Coenomyia Latreille 1796, Précis des caractères génériques des insectes dans un ordre naturel, p. 159 (gender: feminine) (type species, by subsequent monotypy by Latreille [1802], Histoire naturelle, générale et particulière des crustacés et des insectes, vol. 3, p. 439: Musca ferruginea Scopoli 1763) (Insecta, Diptera). Opinion 1870
Coenophthalmus Milne Edwards 1879, Miss. Sci. Mex., Rech. zool., 5 (fasc. 6): 236 (gender: masculine) (type species, by monotypy: Coenophthalmus tridentatus Milne Edwards 1879, Miss. Sci. Mex., Rech. zool., 5 (fasc. 6): 237, pl. 42, fig. 2) (Crustacea, Decapoda). Opinion 73
Coenosia Meigen 1826 (Diptera). ICZN 2015: Opinion 2360
COENOSIINAE Verrall 1888 (Diptera). ICZN 2015: Opinion 2360
Coereba Vieillot 1807, Ois. Amér. sept., 2: 70 (gender: feminine) (type species, by monotypy: Certhia flaveola Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 119) (Aves). Opinion 67
Coerebra Boie 1826, Isis (Oken), 1826: 971 (an incorrect subsequent spelling for Coereba Vieillot 1807). Direction 44
coerulea Houttuyn [1787] [originally in Rana], Anim. Mus. Houtt. Index: 19 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 380
coeruleus Müller 1776 [originally in Cyclops], Zool. dan. Prodr.: 200 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 203
coffeae Walker 1852 [originally in Lecanium], List of the specimens of homopterous insects in the collection of the British Museum, part 4, p. 1079 (specific name of the type species of Saissetia Déplanche 1859) (Insecta, Sternorrhyncha). Opinion 1627
coffeae Linnaeus 1767 [originally in Pediculus], Systema Naturae, Ed. 12, vol. 1, part 2, p. 740 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1247
coffeae Déplanche 1859 [originally in Saissetia], Messager de Tahiti, Papeete, 8(no. 9): 7 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Sternorrhyncha). Opinion 1627
cognatus Sharp 1876 [originally in Philonthus], Transactions of the Entomological Society of London, 1876: 169, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of P. cognatus Stephens 1832 (Insecta, Coleoptera). Opinion 2053
cognatus Stephens 1832 [originally in Philonthus], Illustrations of British entomology ... Mandibulata, vol. 5, p. 229 (Insecta, Coleoptera). Opinion 2053
cognatus Fieber [1860] [originally in Scolopostethus], Europ. Hemipt.: 49, 188 (specific name of the type species of Scolopostethus Fieber [1860]) (Insecta, Hemiptera). Opinion 680
Cognettia Nielsen & Christensen 1959 (Annelida). ICZN 2018: Opinion 2423
Colaceutes Hartmann 1856, Dissertatio inauguralis hist. nat. Univ. Frédéric-Guillaume (ed. Fr. Guil. Nietack) (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 815
Colaptes Swainson 1825, in Vigors, Trans. linn. Soc. London, 14(3): 457 (gender: masculine) (type species, by monotypy: Cuculus auratus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 112) (Aves). Opinion 67
colberti Hunt & Lucas 1991 [originally in Rioarribasaurus], Palaeontologische Zeitschrift, 65: 191 (a junior objective synonym of Coelurus bauri Cope 1887) (Reptilia, Saurischia). Opinion 1842
colchicus Linnaeus 1758 [originally in Phasianus], Systema Naturae, Ed. 10, vol. 1, p. 158 (specific name of the type species of Phasianus Linnaeus 1758) (Aves). Direction 17
coleoptrata Fabricius [1777] [originally in Sigara], Genera insectorum eorumque characteres naturales secundum numerum, figuram ..., p. 298, as defined by the lectotype designated by Jansson 1986, Acta Entomologica Fennica, 47: 20 (specific name of the type species of Cymatia Flor 1860) (Insecta, Heteroptera). Opinion 1650, Opinion 1794
coleoptratus Kerrich 1953 [originally in Thysanus], Bull. entomol. Res. (London), 44: 802 (specific name of the type species of Kerrichiella Rosanov 1965) (Insecta, Hymenoptera). Opinion 1143
coli Grassi 1879 [originally in Amoeba], Gazz. med. lombarda, 39(45): 445, as conserved as a binomen under the plenary power and as interpreted by Dobell 1919 (The Amoebae living in Man: 78-92; pl. I, figs. 12-15; pl. II, fig. 17; pl. IV, figs. 55-69) (specific name of the type species of Entamoeba Casagrandi & Barbagallo 1895) (Rhizopoda). Opinion 312
coli Lösch 1875 [originally in Amoeba], Virchows Arch. path. Anat., 65(2): 208, pl. 10, figs. 1-3 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 312
COLIADINAE (correction of COLIANA) Swainson 1827, Phil. Mag. (n.s.), 1(3): 188 (type genus: Colias Fabricius 1807), ruled under the plenary power not to have priority over PIERIDAE Duponchel [1835] by those who believe that their respective type genera lie in the same familygroup taxon (Insecta, Lepidoptera). Direction 99, Direction 112 COLIANA Swainson 1827, Phil. Mag. (n.s.), 1(3): 188 (type genus: Colias Fabricius 1807) (an incorrect original spelling for COLIADINAE Swainson 1827). Direction 99
Colias Fabricius 1807, Mag. f. Insektenk. (Illiger), 6: 284 (gender: feminine) (type species, by designation under the plenary power: Papilio hyale Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 469) (Insecta, Lepidoptera). Opinion 146
colibreve Brants 1827 [originally in Ratton], Der Geslacht der Muizen door Linnaeus opgesteld (Berlin): 186 (a vernacular name). Opinion 1232
Colletes Latreille 1802, Histoire naturelle des fourmis, p. 423 (gender: masculine) (type species, by monotypy: Apis succincta Linnaeus 1758) (Insecta, Hymenoptera). Opinion 1713
COLLETIDAE Lepeletier 1841, Histoire naturelle des insectes, Hyménoptères, vol. 2, p. 295 (type genus: Colletes Latreille 1802), ruled under the plenary power that this name and other family-group names based on Colletes are to be given precedence over PROSOPIDIDAE Fallén 1813 and HYLAEIDAE Viereck 1916 (1813) and other family-group names based on Prosopis Fabricius 1804 and Hylaeus Fabricius 1793 whenever their type genera are placed in the same family-group taxon (Insecta, Hymenoptera). Opinion 1713
Collignoniceras Breistroffer 1947, Proc. verb. mens. Soc. Sci. Dauphiné, 26th year, no. 195: 5 pp. unnumbered (gender: neuter) (type species, by original designation: Ammonites woollgari Mantell 1822, Fossils of the South Downs: 141, 197) ruled under the plenary power to be given precedence over the generic name Selwynoceras Warren & Stelck 1940 whenever the two names are considered synonyms (Cephalopoda). Opinion 861
Collocalia Gray 1840, List Genera Birds: 8 (gender: feminine) (type species, by original designation: Hirundo esculenta Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 191) (Aves). Opinion 457
Collohmannia Sellnick 1922 (Acari). ICZN 2018: Opinion 2419
Colluricincla Vigors & Horsfield 1826, Trans. linn. Soc. London, 15(1): 213 (gender: feminine) (type species, by monotypy: Colluricincla cinerea Vigors & Horsfield 1826, Trans. linn. Soc. London, 15(1): 214) (Aves). Opinion 67
COLOBINAE Jerdon 1867 (1825), The Mammals of India (Roorkee): 3 (type genus: Colobus Illiger 1811) to be considered the senior synonym of PRESBYTINA Gray 1825, as required by Article 40b, whenever the two names are considered to denote a single family-group taxon at a given rank (Mammalia). Opinion 1202
Colobodus Agassiz 1844, Recherches sur les poissons fossiles, vol. 2, L’histoire de l’ordre des Ganoides, p. 237 (gender: masculine) (type species, by designation under the plenary power and as defined by the neotype specimen T 4843 in the Paläontologisches Institut und Museum der Universität Zürich, Colobodus bassanii de Alessandri 1910 designated by Mutter, 2003, Bulletin of Zoological Nomenclature, 60: 136) (Osteichthyes). Opinion 2102
Colobopempton Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 587 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
coloboptera Lichtenstein 1796 [originally in Vespa], Catalogus musei zoologici ditissimi Hamburgi, d. III. Februar 1796 auctionis lege distrahendi. Sectio Tertia. Continens Insecta, p. 202, ruled under the plenary power to be available despite having been published in a suppressed work (Insecta, Hymenoptera). Opinion 1820
Colobus Albers 1850, Die Heliceen: 177 (a junior homonym of Colobus Illiger 1811). Direction 24
Colobus Audinet-Serville 1834, Ann. Soc. entomol. France, 2: 554 (a junior homonym of Colobus Illiger 1811). Direction 24
Colobus Illiger 1811, Prodr. Syst. Mamm. Avium: 69 (gender: masculine) (type species, by designation by Elliot 1913 (Review of Primates, 1: lxv; 2: 115): Cebus polykomos Zimmermann 1780, Geogr. Gesch. Mens., 2: 202) (Mammalia). Opinion 122, Direction 24
Colobus Merrem 1820, Tent. Syst. Amph.: 13, 75 (a junior homonym of Colobus Illiger 1811). Direction 24
Colobus Schoenherr 1842, Gen. Spec. Curc., 6(2): 267 (a junior homonym of Colobus Illiger 1811). Direction 24
Colomerus Newkirk & Keifer 1971, Eriophyid Studies, C-5, Agriculture Research Service, U.S. Department of Agriculture, p. 6 (gender: masculine) (type species, by original designation: Eriophyes gardeniella Keifer 1964) (Arachnida, Acarina). Opinion 1521
Colon Herbst 1797, Natursystem aller bekannten in- und ausländischen Insekten. Der Käfer, part 7, p. 224 (gender: neuter) (type species, by subsequent designation by Thomson 1859, Skandinaviens Coleoptera, synoptiskt bearbetade, vol. 1, p. 60: Colon viennensis Herbst 1797), ruled under the plenary power to be the correct original spelling of Kolon (Insecta, Coleoptera). Opinion 1810
colon Fabricius 1775 [originally in Papilio], Syst. Entomol.: 531 (specific name of the type species of Telicota Moore [1881]) (Insecta, Lepidoptera). Opinion 831
colonorum Daudin [1802] [originally in Agama], in Sonnini’s Buffon, Hist. nat. Rept., 3: 336 (a junior objective synonym of agama Linnaeus 1758 [originally in Lacerta]). Opinion 565
Colonychus Harold 1868: 10 (Coleoptera). ICZN 2023: Opinion 2498
colorado Smith 1891 [originally in Agrotiphila], Trans. Amer. entomol. Soc., 18: 133-135 (specific name of the type species of Agrotiphila Grote 1875) (Insecta, Lepidoptera). Opinion 983
colorata Guenther 1878 [originally in Echis], Proc. zool. Soc. London, 1878: 977, ruled under the plenary power to be given precedence over the specific name froenata Duméril, Bibron & Duméril 1854, as published in the binomen Echis froenata, whenever the two names are considered synonyms (Reptilia). Opinion 1176
Colpidium Stein 1860, SitzBer. Königl.-Böhm. Ges. Wiss., 1860(1): 47 (gender: neuter) (type species, by monotypy: Paramecium colpoda Losana 1829, Mem. R. Accad. Sci. Torino, 29 (Class Sci. Fis. e Mat.): 45) (Ciliophora). Opinion 915
Colpocephalum Nitzsch 1818, Mag. Entomol. (Germar), 3: 298 (gender: neuter) (type species, by designation under the plenary power: Colpocephalum zebra Burmeister 1838, Handb. Entomol., 2(2): 438) (Insecta, Mallophaga). Opinion 342
Colpoda (emendation under the plenary power of Kolpoda) Müller 1773, Verm. terrestr. fluviat. Hist., 1: 56 (gender: feminine) (type species, by designation by Taylor & Furgason 1938 (Arch. Protistenk., 90: 321): Kolpoda cucullus Müller 1773, Verm. terrestr. fluviat. Hist., 1: 58) (Ciliophora). Opinion 915
colpoda (emendation under the plenary power of kolpoda) Losana 1829 [originally in Paramecium], Mem. R. Accad. Sci. Torino, 29 (Class Sci. Fis. e Mat.): 45 (specific name of the type species of Colpidium Stein 1860) (Ciliophora). Opinion 915
Coluber Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 216 (gender: masculine) (type species, by designation by Fitzinger 1843 (Systema reptilium, Fasc. 1, Amblyglossae: 26): Coluber constrictor Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 216) (Reptilia). Opinion 1201
coluber Semper 1868 [originally in Holothuria], Reisen im Archipel der Philippinen, 2: 90 (Holothuroidea). Opinion 762
Colubraria Schumacher 1817, Essai d’un nouveau système des habitations des vers testacés ..., p. 76 (gender: feminine) (type species, by monotypy: Colubraria granulata Schumacher 1817) (Gastropoda). Opinion 1765
COLUBRIDAE Oppel 1811, Die Ordnungen, Familien und Gattungen der Reptilien, ... (Munich, Lindauer): 217 (type genus: Coluber Linnaeus 1758) (Reptilia). Opinion 1201
Columba Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 162 (gender: feminine) (type species, by designation by Vigors 1825 (Trans. linn. Soc. London, 14: 481): Columba oenas Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 162) (Aves). Direction 38
columbarum Shaw 1793 [originally in Acarus], Nat. Miscell., 4: text to pl. 108 (a nomen nudum). Direction 90
Columbella Lamarck 1799, Mém. Soc. Hist. nat. Paris, 1799: 70 (gender: feminine) (type species, by monotypy: Voluta mercatoria Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 730) (Gastropoda). Opinion 94
Columbelligenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VIII (included in a work rejected for nomenclatural purposes). Opinion 427
columbia Conway Morris 1977 [originally in Selkirkia], Special Pap. Palaeontology (No. 20): 33 (valid name at the date of Opinion 1337 of the type species of Selkirkia Walcott 1911) (Priapulida). Opinion 1337
columbianus Ashmead 1888 [originally in Euderus], Can. Entomol., 20: 103 (specific name of the type species of Galeopsomyia Girault 1916) (Insecta, Hymenoptera). Opinion 1351
Columbigallina Boie 1826, Isis (Oken), 1826: 977 (gender: feminine) (type species, by monotypy: Columba passerina Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 165) (Aves). Direction 35
Columbigallina Oken 1817, Isis (Oken), 1817: 1184 (a nomen nudum). Direction 35
Columbigallus Streubel 1842, in Ersch & Grube, Allg. Ency., (3)17: 94 (an unjustified emendation of Columbigallina Boie 1826). Direction 35
Columbina Spix 1825, Avium. Spec. nov. Brasil., 2: 57 (gender: feminine) (type species, by designation by Gray 1841 (List Genera Birds (ed. 2): 75): Columbina strepitans Spix 1825, Avium Spec. nov. Brasil., 2: 57) (Aves). Direction 35
Columbus [Tunstall] 1771, Ornithol. Brit.: [2] (an incorrect subsequent spelling for Columba Linnaeus 1758, and included in a work rejected for nomenclatural purposes). Direction 38
Columbus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 84 (an incorrect original spelling for Colymbus Linnaeus 1758). Direction 38
columnares Bertrand 1763 [originally in Asterias], Dict. Univ. Foss. Propres Foss. Accid., 1: 60 (included in a work rejected for nomenclatural purposes). Opinion 592
columnaris Ameghino 1891 [originally in Decastis], Rev. arg. Hist. nat., 1: 305 (specific name of the type species of Decastis Ameghino 1891) (Mammalia). Opinion 1241
colus Linnaeus 1758 [originally in Murex], Systema Naturae, Ed. 10, vol. 1, p. 753 (specific name of the type species of Fusinus Rafinesque 1815) (Gastropoda). Opinion 1765
COLYDIIDAE Erichson 1842, Archiv für Naturgeschichte, 8: 213 (type genus: Colydium Fabricius 1792), ruled under the plenary power that this name and other family-group names based on Colydium are to be given precedence over CERYLONIDAE Billberg 1820 and ORTHOCERINI Blanchard 1845 (1820) and other family-group names based on Cerylon Latreille 1802 and Orthocerus Latreille 1796 whenever their type genera are placed in the same family-group taxon (Insecta, Coleoptera). Opinion 1811
Colydium Fabricius 1792, Entomologia Systematica, vol. 1, part 2, p. 495 (gender: neuter) (type species, by subsequent designation by Latreille 1810, Considérations générales sur l’ordre naturel des animaux composant les classes des crustacés, des arachnides et des insectes, p. 431: Bostrichus elongatus Fabricius 1787) (Insecta, Coleoptera). Opinion 1811
COLYMBIDAE Coues 1903, Key N. Amer. Birds (ed. 5), 2: 104 (type genus: Colymbus Linnaeus 1758, correctly treated as having Colymbus cristatus Linnaeus 1758 as type species) (invalid because the name of the type genus has been suppressed under the plenary power). Direction 75
COLYMBIDAE Shaw 1824, Gen. Zool. (Aves), 12: 230 (type genus: Colymbus Linnaeus 1758, incorrectly treated as having Colymbus immer Brünnich 1764 as type species) (invalid (i) because the name of the type genus has been suppressed under the plenary power and (ii) because based upon an incorrectly determined type genus). Direction 75
Colymbus Hadding 1913, Lunds Univ. Arssk. (n.f.), 9(2) (No. 15): 79 (a junior homonym of Colymbus Linnaeus 1758). Opinion 401
Colymbus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 135 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 401
Colymbus Paetel 1875, Fam. Gatt. Moll.: 50 (a junior homonym of Colymbus Linnaeus 1758). Opinion 401
comanthi Borradaile 1915 [originally in Pontoniopsis], Ann. Mag. nat. Hist., (8)15: 213 (specific name of the type species of Pontoniopsis Borradaile 1915) (Crustacea, Decapoda). Opinion 559
comata Vejdovsky 1883 [originally in Bohemilla], Sitzungsberichte der Königlichen Böhmischen Gesellschaft der Wissenschaften (Prag), 1883: 218 (specific name of the type species of Vejdovskyella Michaelsen 1903) (Oligochaeta). Opinion 1835
comatularum Haswell 1882 [originally in Alpheus], Proc. linn. Soc. N.S. Wales, 6: 762 (valid name at the date of Opinion 470 of the type species of Synalpheus Bate 1888) (Crustacea, Decapoda). Opinion 470
comatus Houttuyn [1787] [originally in Scarabaeus], Anim. Mus. Houtt. Index: 61 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 380
cometa Geinitz 1852 [originally in Diplograpsus (sic)], Verstein. Grauwackenform., 1: 26 (specific name of the type species of Cephalograptus Hopkinson 1869) (Graptolithina). Opinion 650
Cominella Gray 1850, Figs. moll. Anim., 4: 72 (gender: feminine) (type species, by designation by Iredale 1918 (Proc. malac. Soc. London, 13(1/3): 34): Buccinum testudineum Bruguière [1789], Ency. méth., Vers, 1(1): 266, valid name: Buccin[um] maculosum Martyn 1784) (Gastropoda). Opinion 479
COMINELLIDAE Fischer 1884, Man. Conchyl.: 624 (type genus: Cominella Gray 1850) (Gastropoda). Opinion 479
comma Linnaeus 1758 [originally in Papilio], Systema Naturae, Ed. 10, vol. 1, p. 484 (specific name of the type species of Hesperia Fabricius 1793) (Insecta, Lepidoptera). Opinion 1240
commensalis Nobili 1906 [originally in Stegopontonia], Bull. Mus. Hist. nat., Paris, 12: 258 (specific name of the type species of Stegopontonia Nobili 1906) (Crustacea, Decapoda). Opinion 470
commersonianus [Lacepède 1803] [originally in Stolephorus], Smithson. misc. Coll., 73(4): 1, 2 (a name published inadvertently in 1926 in Opinion 93, in error for Stolephorus commersonii Lacepède 1803, in the same binomen). Opinion 749
commersonii Lacepède 1803 [originally in Stolephorus], Hist. nat. Poiss., 5: 381 (specific name of the type species of Stolephorus Lacepède 1803) (Osteichthyes). Opinion 749
Comminella Kittl 1887, Ann. Naturh. Hofmus. Wien, 2: 250 (an incorrect subsequent spelling for Cominella Gray 1850). Opinion 479
commune Leach 1818 [originally in Phyllosoma], J. Phys. Chim. Hist. nat., 86: 307 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 507
communis Sowerby 1815 [originally in Ammonites], Min. Conch., 2: 10 (specific name of the type species of Dactylioceras Hyatt 1867) (Cephalopoda). Opinion 576
communis Bonaterre 1791 [originally in Coturnix], Ency. méth., Orn., 1: 217 (a junior objective synonym of coturnix Linnaeus 1758 [originally in Tetrao]). Direction 44
communis De Geer 1774 [originally in Lampyris noctiluca] (Arthropoda). ICZN 2014: Opinion 2333
communis Lapworth 1876 [originally in Monograptus convolutus var.], Geol. Mag., 13: 358, pl. xiii, figs. 4a, b (Graptolithina). Opinion 571
communis Anslijn 1826 [originally in Palaemon], Natuurk. Verh. Wetensch. Haarlem, 15: 262 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 564
complanata Linnaeus 1758 [originally in Helix], Systema Naturae, Ed. 10, vol. 1, p. 769 (Gastropoda). Opinion 336
complanatus Linnaeus 1761 [originally in Julus], Fauna svec. (ed. 2): 502 (specific name of the type species of Polydesmus Latreille [1802]) (Diplopoda). Direction 67
complanatus Dugès 1828 [originally in Lumbricus], Annales des Sciences Naturelles, 15: 289 (specific name of the type species of Octodrilus Omodeo 1956) (Oligochaeta). Opinion 1403
compressa de Haan [1844] [originally in Ephyra], in Siebold, Fauna japon. (Crust.): pl. 46, fig. 7 (specific name of the type species of Paratya Miers 1882) (Crustacea, Decapoda). Opinion 470, Direction 85
compressa Linnaeus 1758 [originally in Millepora], Systema Naturae, Ed. 10, vol. 1, p. 792 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 967
compressa Sowerby 1805 [originally in Millepora], Brit. Miscell., 1: 83, as interpreted by the neotype designated by Ryland 1969 (Bull. zool. Nomencl., 26: 60) and as conserved under the plenary power (specific name of the type species of Porella Gray 1848) (Bryozoa). Opinion 967
compressipes Henderson 1893 [originally in Penaeus], Trans. linn. Soc. London, Zool., (2)5: 450 (specific name of the type species of Atypopenaeus Alcock 1905) (Crustacea, Decapoda). Opinion 864
compressus Paulson 1875 [originally in Anchistioides], Issljed. Rakoobr. krasn. Morja [Stud. Crust. Red Sea]: 115 (specific name of the type species of Anchistioides Paulson 1875) (Crustacea, Decapoda). Opinion 470
compressus Goldfuss 1829 [originally in Eugeniacrinites], Petrefacta Germaniae, Bd. 1, Lief. 2, p. 164 (specific name of the type species of Gammarocrinites Quenstedt 1857) (Crinoidea). Opinion 2155
compressus Waagen 1884 [originally in Productus] (currently Compressoproductus compressus; Brachiopoda): specific name not conserved. ICZN 2008: Opinion 2201 (Case 3352)
comptonii Gray 1847 [originally in Cypraea], Juke’s Voyage of H.M.S. Fly, 2 Appendix: 356 (Gastropoda). Opinion 1197
Compylirhynchus Hummel 1823, Essais Entomologiques, vol. 1, no. 3, p. 24 (an incorrect subsequent spelling of Campylirhynchus Dejean 1821) (Insecta, Coleoptera). Opinion 1529
conaxis McCoy 1849 [originally in Strombodes], Ann. Mag. nat. Hist., (2)3: 10, pl. 49 (a junior objective synonym of floriformis Martin 1809 [originally in Erismatolithus Madreporites]). Opinion 419
concava Lamarck 1816 [originally in Orbulites], Histoire naturelle des animaux sans vertèbres, vol. 2, p. 197 (specific name of the type species of Orbitolina d’Orbigny 1850) (Foraminiferida). Opinion 1587
concavus Sowerby 1815 [originally in Ammonites], Min. Conch., 1: 214, pl. 94, as interpreted by reference to the holotype, refigured by Buckman 1887 (Monogr. Inf. Oolite Ammonites (Palaeontogr. Soc.): pl. 2, figs. 6, 7) (specific name of the type species of Ludwigella Buckman 1901) (Cephalopoda). Opinion 324
Conchaecia Dana 1849, Proc. amer. Acad. Arts Sci., 2: 51-53 (ruled under the plenary power to be an incorrect original spelling for Conchoecia Dana 1849). Opinion 534
Conchella Gray 1848, List of the specimens of British animals in the collection of the British Museum. Part 1. Centroniae or radiated animals, p. 88 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Hydrozoa). Opinion 1485
Conchidium Bronn 1848, Index palaeontol., 1: 322 (not made available in the work cited). Opinion 297
Conchidium Hisinger 1799, K. Vetensk.-Akad. Nya Handl., Stockholm, 19: 285 (not made available in the work cited). Opinion 297
Conchidium Oehlert 1887, in Fischer, Manuel Conchyl., (11): 1311 (gender: neuter) (type species, by original designation: Anomia bilocularis Hisinger 1799, K. Vetensk.Akad. Nya Handl., Stockholm, 19: 285) (Brachiopoda). Opinion 297
Conchidium Wahlenberg 1821, Nova Acta K. vet.-Soc. Upsala, 8: 63, 67 (not made available in the work cited). Opinion 297
Conchiosaurus Meyer [1833], Museum Senckenbergianum. Abhandlungen aus dem Gebiete der beschriebenden Naturgeschichte, 1(1): 8 (gender: masculine) (type species, by monotypy: Conchiosaurus clavatus Meyer [1833]), ruled under the plenary power not to be given prority over Nothosaurus Münster 1834 whenever the two are considered to be synonyms (Reptilia, Sauropterygia). Opinion 1907
Conchodytes Peters 1852, Ber. Bekannt. geeignet. Verh. K.-preuss. Akad. Wiss., Berlin, 1852: 588, 591 (gender: masculine) (type species, by designation by Hilgendorf 1879 (Monatsber. K.-preuss. Akad. Wiss., Berlin, 1878: 835): Conchodytes tridacnae Peters 1852, Ber. Bekannt. geeignet. Verh. K.-preuss. Akad. Wiss., Berlin, 1852: 594) (Crustacea, Decapoda). Opinion 383
Conchoecia (emendation under the plenary power of Conchaecia) Dana 1849, Proc. amer. Acad. Arts Sci., Boston, 2: 51-53 (gender: feminine) (type species, by designation under the plenary power: Conchoecia magna Claus 1874, Schriften zool. Inhalts, Wien, 1: 6, pl. 1, fig. 6c; pl. 2, figs. 16, 18) (Crustacea, Ostracoda). Opinion 534
CONCHOECIDAE Sars [1866], Forh. Vidensk.-Selsk. Christiana, 7: 114 (type genus: Conchoecia Dana 1849) (an incorrect original spelling for CONCHOECIIDAE Sars [1866]). Opinion 534
CONCHOECIIDAE (correction of CONCHOECIDAE) Sars [1866], Forh. Vidensk.-Selsk. Christiania, 7: 114 (type genus: Conchoecia Dana 1849) for use by those who regard this name as representing a taxon distinct from HALOCYPRIDIDAE Dana [1853] (Crustacea, Ostracoda). Opinion 534
conchyliophorus Born 1780 [originally in Trochus], Testacea Musei Caesarei Vindobonensis: 333 (valid name at the date of Opinion 715 of the type species of Xenophora Fischer von Waldheim 1807) (Gastropoda). Opinion 715
concinna Koch 1844 [originally in Haemaphysalis], Arch. Naturgesch., 10(1): 237 (specific name of the type species of Haemaphysalis Koch 1844) (Arachnida). Direction 67
concinnus Gravenhorst 1802 [originally in Staphylinus], Coleoptera Microptera Brunsvicensia.., p. 21 (Insecta, Coleoptera). Opinion 2053
concinnus Marsham 1802 [originally in Staphylinus], Coleoptera Britannica, vol. 1, p. 510, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of S. concinnus Gravenhorst 1802 (Insecta, Coleoptera). Opinion 2053
Concolepadigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VIII (included in a work rejected for nomenclatural purposes). Opinion 427
concolor Rafinesque 1832 [originally in Amblonyx], Atlantic J., 1(2): 62 (specific name of the type species of Amblonyx Rafinesque 1832) (Mammalia). Opinion 384
concolor Garman (by whom this name was attributed to Jan) 1883 [originally in Crotalus durissus var.], Mem. Mus. comp. Zool., 8: 175 (published in synonymy without independent indication, definition or description). Opinion 339
concolor Gloyd (by whom this name was attributed to Jan) 1940 [originally in Crotalus durissus var.], Spec. Publ. Chicago Acad. Sci., 4: 171 (published in synonymy without independent indication, definition or description). Opinion 339
concolor Jan 1859 [originally in Crotalus durissus var.], Rev. Mag. Zool., (2)10: 153 (also often cited by title of paper: Prodrome Iconograph. descr. Ophid.: 153) (a nomen nudum). Opinion 339
concolor Woodbury 1929 [originally in Crotalus], Bull. Univ. Utah, 20(6): 3 (also numbered ‘Biol. Ser., 1(2)’) (Reptilia). Opinion 339
condyliatus Fabricius 1787 [originally in Cancer], Mantissa Ins., 1: 324 (specific name of the type species of Herbstia Milne Edwards 1834) (Crustacea, Decapoda). Opinion 712
Condylocardia Bernard 1896, Bull. Mus. Hist. nat. Paris, 2: 195 (gender: feminine) (type species, by designation by Bernard 1897 (J. Conchyliol., 44: 175): Condylocardia sanctipauli Bernard 1896, Bull. Mus. Hist. nat. Paris, 2: 196) (Bivalvia). Opinion 872
CONDYLOCARDIIDAE (correction of CONDYLOCARDIDÉS) Bernard 1896, Bull. Mus. Hist. nat. Paris, 2: 195 (type genus: Condylocardia Bernard 1896) (Bivalvia). Opinion 872
Condylura Barnes 1826, Amer. J. Sci., 11: 278 (a junior homonym of Condylura Illiger 1811). Direction 24
Condylura Berthold 1827, in Latreille, Nat. Fam. Thierr.: 269; id., 1829, in Cuvier, Règne Anim. (ed. 2), 4: 153 (a junior homonym of Condylura Illiger 1811). Direction 24
Condylura Illiger 1811, Prodr. Syst. Mamm. Avium: 125 (gender: feminine) (type species, by designation by True 1896 (Proc. U.S. nat. Mus., 19(1101): 77): Sorex cristatus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 53) (Mammalia). Opinion 91, Direction 24
Condylurus Blainville 1838, Ann. franç. étrang. Anat. Phys., 2: 219 (an unjustified emendation of Condylura Illiger 1811). Direction 24
Condytura Bell 1839, in Todd, Cyclop. Anat. Physiol., 2: 996 (an incorrect subsequent spelling for Condylura Illiger 1811). Direction 24
Conepatus Gray 1837, Mag. nat. Hist. (n.s.), 1: 581 (gender: masculine) (type species, by monotypy: Conepatus humboldtii Gray 1837, Mag. nat. Hist. (n.s.), 1: 581) (Mammalia). Opinion 384
confluens Fieber 1851 [originally in Corisa], Species generis Corisa, p. 18, a preprint from Abhandlungen der Königlichen Böhmischen Gesellschaft der Wissenschaften, (5)7: 230 (1852) (Insecta, Heteroptera). Opinion 1795
confusa Sartori & Jacob 1986 [originally in Habroleptoides] (Ephemeroptera). ICZN 2015: Opinion 2371
confusus Quenstedt 1856 [originally in Ammonites], Der Jura, p. 127 (specific name of the type species of Microceras Hyatt 1867) (Ammonoidea). Opinion 2123
Conger Cuvier 1817, Règne Anim., (ed. 1), 2: 231 (not made available in the work cited). Direction 87
Conger Houttuyn 1764, Natuurl. Hist. (Deel 1), 7: 103 (not made available in the work cited). Direction 87
Conger Oken 1817, Isis (Oken), 1817: 1181 (gender: masculine) (type species, by absolute tautonymy: Muraena conger Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 245) (Osteichthyes). Opinion 93, Direction 87
Conger Schaeffer 1760, Epistola Stud. ichthyol. meth.: 20 (included in a work rejected for nomenclatural purposes). Direction 87
Conger Walbaum 1792, Artedi Ichthyol. (ed. 2), 3: 580 (included in a work rejected for nomenclatural purposes). Direction 87
conger Linnaeus 1758 [originally in Muraena], Systema Naturae, Ed. 10, vol. 1, p. 245) (specific name of the type species of Conger Oken 1817) (Osteichthyes). Direction 87
conglobator Pallas 1766 [originally in Oniscus], Miscellanea zoologica, p. 194 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Isopoda). Opinion 1574
conica Ferussac 1814 [originally in Paludina] (Gastropoda). ICZN 2016: Opinion 2393
conica Prevost 1821 [originally in Paludina] (Gastropoda). ICZN 2016: Opinion 2393
conica Bigot 1857 [originally in Pangonia], Ann. Soc. entomol. France, 5: 278 (specific name of the type species of Mycteromyia Philippi 1865) (Insecta, Diptera). Opinion 1238
conicum Olivier 1791 [originally in Acrydium], Ency. méth., 6: 230 (valid name at the date of Opinion 969 of the type species of Pyrgomorpha Audinet-Serville [1838]) (Insecta, Orthoptera). Opinion 969
CONIDOPHRYIDAE Kirby 1941, Protozoa in biological research, p. 954 (type genus: Conidophrys Chatton & Lwoff 1934) (Ciliophora). Opinion 2106
Conidophrys Chatton & Lwoff 1934, Comptes Rendus des Séances de l’Académie des Sciences (Paris), 199(16): 697 (gender: feminine) (type species, by original designation: Conidophrys pilisuctor Chatton & Lwoff 1934) (Ciliophora). Opinion 2106
Conigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VIII (included in a work rejected for nomenclatural purposes). Opinion 427
Coniporus Thomson 1859, Skandinaviens Coleoptera, synoptiskt bearbetade, vol. 1, p. 90 (a junior objective synonym of Aspidiphorus Ziegler in Dejean 1821) (Insecta, Coleoptera). Opinion 1862
connubialis Guénée 1852 [originally in Catocala], Histoire naturelle des insectes. Species général des Lépidoptères, vol. 7 (Noctuelites), part 3, p. 105 (Insecta, Lepidoptera). Opinion 1774
conocephali Karny 1913 [originally in Cryptothrips], Bulletin du Jardin Botanique de Buitenzorg, 2: 98 (specific name of the type species of Eugynothrips Priesner 1926) (Insecta, Thysanoptera). Opinion 1442
Conochinus Dohrn 1859, Cat. Hemipt.: 48 (an incorrect subsequent spelling for Conorhinus Laporte [1833]). Direction 63
conoidea Linnaeus 1767 [originally in Bulla], Systema Naturae, Ed. 12, vol. 1, part 2, p. 1185 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 841
conoidea Draparnaud [1801] [originally in Helix], Tabl. Moll. terrestr. fluviat. France: 68 (specific name of the type species of Cochlicella Férussac 1821) (Gastropoda). Opinion 335
Conoideus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 103 (included in a work rejected for nomenclatural purposes). Opinion 592
Conomelus Fieber 1866, Verh. zool.-bot. Ges. Wien, 16: 520 (gender: masculine) (type species, by designation under the plenary power: Delphax anceps Germar 1821, Mag. Entomol., 4: 105) (Insecta, Hemiptera). Opinion 648
Conorchinus Spinola 1852, Mem. Soc. Modena, 25: 86 (an incorrect subsequent spelling for Conorhinus Laporte [originally in 1833]). Direction 63
Conorhinus Laporte [1833], Essai Syst. Class. Hémipt.: 78 (Mag. Zool., 2, Suppl.) (a junior objective synonym of Triatoma Laporte [1832]). Direction 63
Conorrhinus Jeannel 1919, in Alluaud & Jeannel, Voy. Afr. orient., Ins. Hemipt. (3): 176, 177 (an incorrect subsequent spelling for Conorhinus Laporte [1833]). Direction 63
conradi Castelnau 1843 [originally in Acantholoma (sic)], Essai Syst. silur. Amér. sept.: 23 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 498
consanguinea Distant 1893 [originally in Davila], Biol. centr.-Amer., Heteroptera, 1 Suppl.: 395 (specific name of the type species of Peggichisme Kirkaldy 1904) (Insecta, Hemiptera). Opinion 1284
consimilis Horváth 1885 [originally in Berytus], Rev. Entomol., 4: 320-324, as interpreted by the lectotype designated by Péricart 1976 (Bull. zool. Nomencl., 32: 255, 256) (Insecta, Hemiptera). Opinion 1191
conspersum Perty 1833 [originally in Goniosoma] (currently Mitobates conspersus; Arachnida, Opiliones): specific name not conserved. ICZN 1993: Opinion 1703
conspicuus von Meyer [1852] [originally in Tanystropheus], Zur Fauna der Vorwelt (2): 42 (specific name of the type species of Tanystropheus von Meyer [1852]) (Reptilia). Opinion 1186
contaminata Linnaeus 1758 [originally in Tipula] (Diptera). ICZN 2019: Opinion 2445
constricta Lamarck 1822 [originally in Monodonta], Histoire naturelle des animaux sans vertèbres, vol. 7 (Histoire des mollusques), p. 36 (specific name of the type species of Austrocochlea Fischer 1885) (Gastropoda). Opinion 1930
constricta Conrad 1842 [originally in Nuculites], J. Acad. nat. Sci. Philadelphia, 8: 249, pl. 15, fig. 8 (specific name of the type species of Palaeoneilo (emendation of Palaeaneilo) Hall 1869) (Bivalvia). Opinion 215
constricta Spencer 1896 [originally in Sminthopsis murina var.], Rep. Horn Exped. Central Australia (2), Zoology: 33 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1198
constricta Erichson 1837 [originally in Tachyusa], Käf. Mark Brandenb., 1: 307 (specific name of the type species of Tachyusa Erichson 1837) (Insecta, Coleoptera). Opinion 600
Constrictor Laurenti 1768, Specimen medicum exhibens synopsin Reptilium emendatam ... (Viennae): 106 (a junior objective synonym of Boa Linnaeus 1758). Opinion 1045
constrictor Linnaeus 1758 [originally in Boa], Systema Naturae, Ed. 10, vol. 1, p. 215 (specific name of the type species of Boa Linnaeus 1758) (Reptilia). Opinion 1045
constrictor Linnaeus 1758 [originally in Coluber], Systema Naturae, Ed. 10, vol. 1, p. 216 (specific name of the type species of Coluber Linnaeus 1758) (Reptilia). Opinion 1201
Consul Hübner [1806], Tentamen: [1] (included in a work rejected for nomenclatural purposes). Opinion 278
Consul Hübner [1807], Samml. exot. Schmett., 1: pl. [148] (gender: masculine) (type species, by monotypy: Papilio fabius Cramer [1776], Uitl. Kapellen, 1(8): 141, pl. 90, figs. C, D) (Insecta, Lepidoptera). Opinion 278
contectum Millet 1813 [originally in Cyclostoma], Moll. terr. fluv. obs. Dépt. Maine et Loire: 5, as interpreted by the lectotype designated by Forcart 1957 (Bull. zool. Nomencl., 13: 46) (Gastropoda). Opinion 573
contorta Linnaeus 1758 [originally in Helix], Systema Naturae, Ed. 10, vol. 1, p. 770 (Gastropoda). Opinion 336
contractus Geoffroy in Fourcroy 1785 [originally in Curculio], Entomologia parisiensis: sive Catalogus Insectorum quae in Agro Parisiensi reperiuntur: secundum methodum Geoffraeanam in sectiones, genera et specibus distributus: cui addita sunt nomina trivialia et fere trecentae novae species, p. 126, all uses of the name before Marsham (1802) (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Coleoptera) Opinion 2192
contractus Marsham 1802 [originally in Curculio], Coleoptera Britannica, sistens Insecta Coleoptera Britanniae indigena, secundum methodum Linnaeanam disposita, p. 250 (Coleoptera) Opinion 2192
Conulus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 103 (included in a work rejected for nomenclatural purposes). Opinion 592
Conulus Fitzinger 1833, Beitr. Landesk. Oesterreich. Enns, 3: 94 (a junior homonym of Conulus Leske 1778). Opinion 335
convexa de Haan [1835] [originally in Ocypode (Chasmagnathus)], in Siebold, Fauna japon. (Crust.): 28, 56 (conserved under the plenary power) (specific name of the type species of Chasmagnathus de Haan [1833]) (Crustacea, Decapoda). Direction 86
convexus Quoy & Gaimard 1825 [originally in Ocypode], in Freycinet, Voy. autour Monde ‘Uranie’ & ‘Physicienne’ (Zool.): 525 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Direction 86
convexus Milne Edwards 1867 [originally in Ruppellioides], Ann. Soc. entomol. France, (4)7: 279 (specific name of the type species of Ruppellioides Milne Edwards 1867) (Crustacea, Decapoda). Direction 36
convoluta Retzius 1783 [originally in Phalaena argentea] (Arthropoda). ICZN 2014: Opinion 2333
conyzae Hering 1933 [originally in Euribia], Amateur de Papillons, 6: 309, ruled under the plenary power not to be given priority over the specific name of Euribia jaceana Hering 1935 whenever the two names are considered to be synonyms (Insecta, Diptera). Opinion 1619
Cookia Lesson [1832], Illustr. Zool., (5): pl. 15 (gender: feminine) (type species, by monotypy and through Opinion 479 and Article 67e (1961 Code): Turbo sulcatus Gmelin [1791], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 6, p. 3592, as interpreted by reference to the holotype, namely the specimen figured by Martyn 1784 (Univ. Conch., 1: fig. 75)) (Gastropoda). Opinion 479
Cookia Silvestri 1896, Nat. sicil. (n.s.), 1: 158 (a junior homonym of Cookia Lesson [1832]). Opinion 479
coombii Sowerby in Dixon 1850 [originally in Cypraea], The geology and fossils of the Tertiary and Cretaceous formations of Sussex, p. 188, pl. 8, fig. 6, ruled to retain priority over Ovula gisortiana Passy 1859 whenever the two names are considered to be synonyms (Gastropoda). Opinion 2107
copei Bocourt 1873 [originally in Anolis], in Duméril, Bocourt & Mocquard (Eds.), Recherches Zoologiques, vol. 3, (Section 1). Etudes sur les reptiles et les Batraciens. Mission Scientifique au Mexique et dans l’Amérique Centrale, p. 77 (a junior objective synonym of Dactyloa biporcata Wiegmann 1834) (Reptilia). Opinion 2015
Cophixalus Boettger 1892, Katalog der Batrachier-Sammlung im Museum der Senckenbergischen Naturforschenden Gesellschaft im Frankfurt-am-Main (Knauer, Frankfurt): 24 (gender: masculine) (type species, by designation under the plenary power: Sphenophryne verrucosa Boulenger 1898, Annali Mus. Genova, (2) xviii: 707) (Amphibia). Opinion 1266
coppingeri Miers 1884 [originally in Camptoplax], Rep. Voy. ‘Alert’: 239 (specific name of the type species of Camptoplax Miers 1884) (Crustacea, Decapoda). Direction 36
Coppinia Hassall 1848, Zoologist, 6: 2223 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Hydrozoa). Opinion 1485
Coprinisphaera Sauer 1955, Boletín del Instituto de Ciencias Naturales del Ecuador, 1(2): 123 ruled under the plenary power to be given precedence over the name Fontanai Roselli 1939, whenever the two are considered to be synonyms (Ichnotaxa) Opinion 2211
Copris Geoffroy 1762, Histoire abrégée des insectes qui se trouvent aux environs de Paris, vol. 1, p. 87 (gender: masculine) (type species, by subsequent designation by Latreille 1810, Considerations générales sur ... les classes des crustacés, des arachnides et des insectes, p. 428: Scarabaeus lunaris Linnaeus 1758) (Insecta, Coleoptera). Opinion 1754
Coproica Rondani 1861, Dipterologiae italicae prodromus. Species Italicae ordinis Dipterorum ..., vol. 4, p. 10 (gender: feminine) (type species, by designation under the plenary power: Limosina acutangula Zetterstedt 1847) (Insecta, Diptera). Opinion 1839
Coprophilus Latreille 1829, Le règne animal ..., (Ed. Cuvier), Ed. 2, vol. 4, p. 439 (gender: masculine) (type species, by designation under the plenary power: Staphylinus striatulus Fabricius 1792) (Insecta, Coleoptera). Opinion 1722
corporis De Geer 1778 [originally in Pediculus humanus] (Arthropoda). ICZN 2014: Opinion 2333
Coptorhinus Dejean 1833, Catalogue des coléoptères de la collection de M. le Comte Dejean, Ed. 2, part 2, p. 152 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Coleoptera). Opinion 1838
Coptorhinus Guérin Méneville [1838], Crustacés, arachnides et insectes. In Duperrey (Ed.), Voyage autour du monde ... sur la corvette de Sa Majesté, La Coquille, pendant les années 1822, 1823, 1824 et 1825 ... Zoologie, vol. 2, part 2, p. 72 (a junior homonym of Coptorhinus Dejean 1833) (Insecta, Coleoptera). Opinion 1838
Cor Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 104 (included in a work rejected for nomenclatural purposes). Opinion 592
cor Bruguière 1792 [originally in Terebratula], Choix des mémoires ... formant les collections du Journal d’Histoire naturelle, vol. 1, p. 425 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Brachiopoda). Opinion 1466
Cora Bonaparte 1854, Ann. Sci. nat., Paris, (4)1(3): 138 (a junior homonym of Cora Selys 1853). Opinion 632
Cora Jan 1863, Elenco sist. Ofidi: 74 (a junior homonym of Cora Selys 1853). Opinion 632
CORACES Naumann 1822, Natur. Vögel Deutschl., 2: i, 3 (type genus: Coracias Linnaeus 1758) (an incorrect subsequent spelling for CORACIIDAE (correction of CORACINIA) Rafinesque 1815). Direction 58
Coracia Brisson 1760, Ornithologia, 2: 3 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 404
Coracia Hübner [1819], Verz. bekannt. Schmett., (11): 168 (a junior homonym of Coracia Brisson 1760). Opinion 404
Coracia Mörch 1865, J. Conchyliol., 13: 385 (a junior homonym of Coracia Brisson 1760). Opinion 404
CORACIANAE Gray 1840, List Gen. Birds: 9 (type genus: Coracias Linnaeus 1758) (an incorrect subsequent spelling for CORACIIDAE (correction of CORACINIA) Rafinesque 1815). Direction 58
Coracias Herrmannsen 1847, Indicis Gen. Malacoz. Primordia, 1: 303 (a junior homonym of Coracias Linnaeus 1758). Opinion 404
Coracias Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 107 (gender: masculine) (type species, by designation by Selby 1825 (Ill. brit. Ornith., 1 (Landbirds): xxvii): Coracias garrulus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 107) (Aves). Opinion 404
CORACIIDAE (correction of CORACINIA) Rafinesque 1815, Analyse Nature: 67 (type genus: Coracias Linnaeus 1758) (Aves). Direction 58
coracina Esper 1805 [originally in Phalaena], Die europäischen Schmetterlinge in Abbildungen nach der Natur mit Beschreibungen, teil 4, Abschn. 2: 74, ruled under the plenary power to be given precedence over the specific name hirtata Fabricius 1794, as published in the binomen Phalaena hirtata, whenever the two names are considered synonyms (Insecta, Lepidoptera). Opinion 1362
CORACINIA Rafinesque 1815, Analyse Nature: 67 (type genus: Coracias Linnaeus 1758) (an incorrect original spelling for CORACIIDAE Rafinesque 1815). Direction 58
Coracius Deby 1845, Zoologist, 3: 1021 (an incorrect subsequent spelling for Coracias Linnaeus 1758). Direction 58
corallinus Bertrand 1763 [originally in Hippurites], Dict. Univ. Foss. Propres Foss. Accid., 1: 263 (included in a work rejected for nomenclatural purposes). Opinion 592
corallinus Faxon 1893 [originally in Trachycarcinus], Bull. Mus. comp. Zool., 24: 156 (specific name of the type species of Trachycarcinus Faxon 1893) (Crustacea, Decapoda). Direction 36
Coralliocaris Stimpson 1860, Proc. Acad. nat. Sci. Philadelphia, 1860: 38 (gender: feminine) (type species, by designation by Kingsley 1880 (Proc. Acad. nat. Sci. Philadelphia, 1879: 423): Oedipus superbus Dana 1852, Proc. Acad. nat. Sci. Philadelphia, 6: 25) (Crustacea, Decapoda). Opinion 470
coralliophila La Rocque 1948 [originally in Panenka], Univ. Microfilms Publ., No. 1059: 118 (included in a work issued in microfilm and rejected for nomenclatural purposes). Opinion 318
Corallium Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 60 (included in a work rejected for nomenclatural purposes). Opinion 592
corallofungitae Bertrand 1763 [originally in Alcyonia], Dict. Univ. Foss. Propres Foss. Accid., 1: 14 (included in a work rejected for nomenclatural purposes). Opinion 592
coranguinum Leske 1778 [originally in Spatangus], Addit. J.T. Klein nat. Disp. Echin.: 221 (specific name of the type species of Micraster Agassiz 1836) (Echinoidea). Opinion 608
corax Linnaeus 1758 [originally in Corvus], Systema Naturae, Ed. 10, vol. 1, p. 105 (specific name of the type species of Corvus Linnaeus 1758) (Aves). Direction 17
corax Fruhstorfer [1919] [originally in Pithecops hylax], Arch. Naturgesch., 83, Sect. A. 1 (1917): 79 (specific name of the type species of Pithecops Horsfield [1828]) (Insecta, Lepidoptera). Opinion 822
Corbicula Megerle von Muehlfeld 1811, Mag. Ges. Naturf. Freunde, Berlin, 5: 56 (gender: feminine) (type species, by monotypy: Tellina fluminalis Müller 1774, Verm. terrestr. fluviat. Hist., 2: 205) (Bivalvia). Opinion 335
Corbuligenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427
corcoracidae Mathews 1927 (Aves). ICZN 2016: Opinion 2380
Corcorax Lesson 1831 (Aves). ICZN 2016: Opinion 2380
cordatus Sowerby 1813 [originally in Ammonites], Min. Conch., 1: 51, as interpreted by the lectotype designated under the plenary power, namely the specimen figured by Sowerby 1813 (Min. Conch., 1: pl. 17, fig. 4) (Cephalopoda). Opinion 235
cordatus Bertrand 1763 [originally in Echinites], Dict. Univ. Foss. Propres Foss. Accid., 2: 104 (included in a work rejected for nomenclatural purposes). Opinion 592
cordatus Pennant 1777 [originally in Echinus], Brit. Zool. (ed. 4), 4: 58 (specific name of the type species of Echinocardium Gray 1825) (Echinoidea). Opinion 209
Cordicollis Sahlberg 1903 (Coleoptera). ICZN 2016: Opinion 2377
Cordicomus Pic 1894 (Coleoptera). ICZN 2016: Opinion 2377
Coregonus Jarocki 1822, Zoologiia, 4: 35 (a junior homonym of Coregonus Linnaeus 1758). Direction 56
Coregonus Lacepède 1803, Hist. nat. Poiss., 5: 239 (a junior homonym of Coregonus Linnaeus 1758). Direction 56
Coregonus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 310 (conserved under the plenary power) (gender: masculine) (type species, by designation under the plenary power: Salmo lavaretus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 310) (Osteichthyes). Opinion 93
Coretus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 143 (included in a work rejected for nomenclatural purposes). Opinion 592
coriacea Laporte 1835 [originally in Meladema], Études entomologiques, ou description d’insectes nouveaux; et observations sur la synonymie, part 1, p. 98 (specific name of the type species of Meladema Laporte 1835) (Insecta, Coleoptera). Opinion 1725
coriacea Linnaeus 1766 [originally in Testudo], Systema Naturae, Ed. 12, vol. 1, part 1, p. 350 (specific name of the type species of Dermochelys Blainville 1816) (Reptilia). Direction 57
coriaceus (emendation of coriacea) Haliday 1836 [originally in Phlaeothrips], Entomol. Mag., 3: 442 (specific name of the type species of Phlaeothrips Haliday 1836) (Insecta, Thysanoptera). Opinion 865
coriarius Linnaeus 1758 [originally in Cerambyx], Systema Naturae, Ed. 10, vol. 1, p. 389 (specific name of the type species of Prionus Geoffroy 1762) (Insecta, Coleoptera). Opinion 1754
coridon Poda 1761 [originally in Papilio], Ins. Mus. graec.: 77 (specific name of the type species of Lysandra Hemming 1933) (Insecta, Lepidoptera). Opinion 429
Corisa Amyot & Serville 1843, Hist. nat. Ins. Hémipt.: 445 (an unjustified emendation of Corixa Geoffroy 1762). Opinion 739
Coriscus Schrank 1796, Samml. nat. phys. Aufsäze: 121 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 244
Corisella Lundblad 1928, Zool. Anz., 79: 148, 158 (gender: feminine) (type species, by designation by Hungerford 1948 (Univ. Kansas Sci. Bull., 32: 259): Corixa mercenaria Say 1832, Descr. new spp. heteropt. Hemipt. N. America: 39) (Insecta, Hemiptera). Opinion 1311
CORISIDES Amyot & Serville 1843, in Roret’s Suites à Buffon, Hist. nat. Ins. Hémipt.: II, 444 (type genus: Corisa Amyot & Serville 1843) (a junior objective synonym of CORIXIDAE [Leach 1815]). Opinion 739
Coriudo Fleming 1822, Phil. Zool., 2: 271 (a junior objective synonym of Dermochelys Blainville 1816). Direction 56
Corixa Geoffroy 1762, Hist. abrége. Ins. Paris, 1: 478 (conserved under the plenary power) (gender: feminine) (type species, by designation under the plenary power: Sigara punctata Illiger 1807, in Rossi, Fauna Etrusca (ed. 2): 354) (Insecta, Hemiptera). Opinion 281
CORIXIDA [Leach 1815], in Brewster’s Edinburgh Ency., 9(1): 124 (type genus: Corixa Geoffroy 1762) (an incorrect original spelling for CORIXIDAE [Leach 1815]). Opinion 739
CORIXIDAE (correction of CORIXIDA) [Leach 1815], in Brewster’s Edinburgh Ency., 9(1): 124 (type genus: Corixa Geoffroy 1762) (Insecta, Hemiptera). Opinion 739
Cornalatus Attems 1931, Zoologica Stuttgart, 30(79): 40 (gender: masculine) (type species, by designation under the plenary power: Cornalatus permutatus Attems 1938) (Diplopoda, Polydesmida). Opinion 1498
cornalianus Bassani 1886 [originally in Ichthyosaurus], Atti della Società Italiana di Scienze Naturali, 29: 20, as defined by the neotype (specimen no. T2420 in the Paläontologisches Institut und Museum der Universität Zürich) designated under the plenary power (specific name of the type species of Mixosaurus Baur 1887) (Reptilia). Opinion 1977
cornea Linnaeus 1758 [originally in Helix], Systema Naturae, Ed. 10, vol. 1, p. 770 (Gastropoda). Opinion 336
cornea Poli 1795 [originally in Mactra], Testacea utriusque Siciliae, 1: 73, 74 (valid name at the date of Opinion 1141 of the type species of Donacilla Philippi 1836) (Bivalvia). Opinion 1141
cornea Linnaeus 1758 [originally in Tellina], Systema Naturae, Ed. 10, vol. 1, p. 678 (specific name of the type species of Sphaerium Scopoli 1777) (Bivalvia). Opinion 336
corni Bouché 1844 [originally in Lecanium], Entomol. Z. Stettin, Jahrg. 5(8): 298 (specific name of the type species of Parthenolecanium Šulc 1908) (Insecta, Hemiptera). Opinion 1303
cornicis de Geer 1778 [originally in Ricinus], Mém. Hist. Ins., 7: 76, as interpreted by the neotype designated by Clay & Hopkins 1954 (Bull. Brit. Mus. (nat. Hist.) Entomol., 3: 239) (Insecta, Mallophaga). Opinion 627
cornigerus Schlotheim 1820 [originally in Trilobites], Die Petrefactenk.: 38 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 510
cornuelianus d’Orbigny 1841 [originally in Ammonites], Pal. franç., Terr. crét., 1: 364, pl. 112, figs. 1, 2 (specific name of the type species of Cheloniceras Hyatt 1903) (Cephalopoda). Opinion 428
Cornu Born 1778 (Gastropoda). ICZN 2015: Opinion 2354
Cornufer Tschudi 1838, Classif. der Batrachier [preprint of Mém. Soc. Sci. Nat. Neuchâtel, 2]: 28 (gender: masculine) (type species, by designation under the plenary power: Halophila vitiensis Girard 1853, Proc. Acad. nat. Sci. Philadelphia, 6: 423) ruled under the plenary power not to be given priority over Platymantis Günther 1858 by those who consider the type species of those nominal genera to belong to the same taxonomic genus (Amphibia). Opinion 1104
cornupastoris DesMoulins 1826 [originally in Hippurites], Bull. Hist. nat. Soc. linn. Bordeaux, 1: 288, pl. 10 (specific name of the type species of Durania Douvillé 1908) (Bivalvia). Opinion 891
cornus [Röding] 1798 [originally in Drupa], Museum Boltenianum (2): 56 (valid name at the date of Opinion 1154 of the type species of Drupella Thiel 1925) (Gastropoda). Opinion 1154
Cornuspira Schulze 1854, Ueber den Organismus der Polythalamien (Foraminiferen), nebst Bemerkungen ueber die Rhizopoden im Allgemeinen (Leipzig): 40 (gender: feminine) (type species, by designation by Brady 1884 (Rept. Voy. Challenger, Zool., 9: 199): Orbis foliaceus Philippi 1844, Enum. Moll. Siciliae, 2: 147) (Rhizopoda). Opinion 1114
cornuta Shishkov 1903 [originally in Phagocata], Archs. Zool. exp. gen., (4)1: 401-409, pl. 16, ruled under the plenary power not to be given priority over the specific name montenigrina Mrázek 1904, as published in the binomen Planaria montenigrina, whenever the two names are considered synonyms (Turbellaria). Opinion 1127
cornuta Fabricius 1798 [originally in Trogosita], Supplementum Entomol. syst.: 51 (valid name at the date of Opinion 1039 of the type species of Gnatocerus Thurnberg 1814) (Insecta, Coleoptera). Opinion 1039
cornutum Linnaeus 1758 [originally in Buccinum], Systema Naturae, Ed. 10, vol. 1, p. 735 (specific name of the type species of Cassis Scopoli 1777) (Gastropoda). Opinion 1023
cornutus Fabricius 1801 [originally in Bolitophagus] (Coleoptera). ICZN 2019: Opinion 2438
cornutus Houttuyn [1787] [originally in Callionymus], Anim. Mus. Houtt. Index: 37 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 380
cornutus Mitchill 1817 [originally in Cyprinus], availability confirmed by Opinion 52
cornutus Bernhauer 1936 [originally in Oxytelus], Philippine Journal of Science, 61(1): 86, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of O. cornutus Gravenhorst 1802 (Insecta, Coleoptera). Opinion 2053
cornutus Gravenhorst 1802 [originally in Oxytelus], Coleoptera Microptera Brunsvicensia ..., p. 109 (Insecta, Coleoptera). Opinion 2053
cornutus Temminck 1822 [originally in Podargus], in Temminck C.J. & Laugier, M. of Nouveau recueil de planches coloriées d’oiseaux, pour servir de suite et de complément aux planches enluminées de Buffon. Livraison 27, text for Plate 159, ruled under the plenary power to have been proposed for a new taxon rather than as a replacement name and as defined by the neotype in the Muséum National d’Histoire Naturelle, Paris (MNHN), C.G. 2004–45 (A.C. Ancien Catalog: 5221) designated under the plenary power (Aves). Opinion 2275.
coronalis Bertrand 1763 [originally in Echinites], Dict. Univ. Foss. Propres Foss. Accid., 2: 102 (included in a work rejected for nomenclatural purposes). Opinion 592
coronata Salter 1853 [originally in Acidaspis], Mem. geol. Surv. U.K., 2(1): pl. 9, figs. 6-9, ruled under the plenary power to be given precedence over the specific name quadrimucronatus Murchison 1839, as published in the binomen Paradoxides quadrimucronatus, whenever the two names are considered synonyms (Trilobita). Opinion 1223
coronata Deshayes 1824 [originally in Clavagella] (Bivalvia). ICZN 2013: Opinion 2325
coronata Gmelin 1791 [originally in Doris], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 6, p. 3105 (specific name of the type species of Doto Oken 1815) (Gastropoda). Opinion 697
coronata Houttuyn [1787] [originally in Nereis], Anim. Mus. Houtt. Index: 114 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 380
coronata Quatrefages 1844 [originally in Pelta], Ann. Sci. nat., Paris (Zool.), (3)1: 151 (valid name at the date of Opinion 811 of the type species of Runcina Forbes 1851) (Gastropoda). Opinion 811
coronata Alcock & Anderson 1894 [originally in Randallia], J. asiat. Soc. Bengal, 63(2): 177 (specific name of the type species of Pariphiculus Alcock 1896) (Crustacea, Decapoda). Direction 36
coronatum Rouchadzé 1932 [originally in Douvilleiceras], Bull. Inst. géol. Géorgie, 1(3): 195, pl. 3, fig. 4; text-figs. 12, 13 (specific name of the type species of Megatyloceras Humphrey 1949) (Cephalopoda). Opinion 428
Coronella Laurenti 1768 (gender: feminine) (Opinion 12)
Coroniceras Hyatt 1867, Bull. Mus. comp. Zool., 3: 77 (gender: neuter) (type species, by designation by Bonarelli 1900 (Pal. ital., 5: 58): Ammonites kridion Hehl [1830], in Zieten, Verstein. Würtemb., (1): 4, pl. 3, fig. 2) (Cephalopoda). Opinion 324
Coronida Brooks 1886, Johns Hopkins Univ. Circ., 5(49): 84 (gender: feminine) (type species, by designation by Balss 1938 (Bronn’s Klassen Ord. Tierr., 5(1)(6)(2): 130): Squilla bradyi Milne Edwards 1869, in De Folin & Périer, Fonds de la Mer, 1: 137) (Crustacea, Stomatopoda). Opinion 785
Coroniderichthus Hansen 1895, Ergebn. Plankton-Exped., 2(G)(c): 81, 83, 98, 102 (a junior objective synonym of Coronida Brooks 1886). Opinion 785
Coronis Desmarest 1823 (September), Dict. Sci. nat., 28: 345 (gender: feminine) (type species, by subsequent monotypy: Coronis scolopendra Latreille 1828, Ency. méth., 10 (Ins.): 474) (Crustacea, Stomatopoda). Opinion 785
Coronis Gloger 1827, Notizen (Froriep), 16: 277 (a junior homonym of Coronis Desmarest 1823). Opinion 785
Coronis Hübner 1823 (21 December), Verz. bekannt. Schmett., (17): 265 (a junior homonym of Coronis Desmarest 1823). Opinion 785
Coronuligenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427
corporalis Mitchill 1817 [originally in Cyprinus], availability confirmed by Opinion 52
corrigiolata Linnaeus 1767 [originally in Musca], Systema Naturae, Ed. 12, vol. 1, part 2, p. 955 (specific name of the type species of Micropeza Meigen 1803) (Insecta, Diptera). Opinion 369
corrugata Say 1823 [originally in Gryphaea], in James, Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and ‘20, under the command of Major Stephen H. Long, vol. 2, p. 410 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Bivalvia). Opinion 1635
corrugatus Duméril 1853 [originally in Hylodes], Ann. Sci. nat. (Zool.), (3)19: 176 (valid name at the date of Opinion 1104 of the type species of Platymantis Günther 1858) (Amphibia). Opinion 1104
corticalis Paykull 1792 [originally in Curculio], Monographia curculionum sueciae, p. 41 (specific name of the senior subjective synonym of Curculio lymexylon Fabricius 1792, the type species of Dryophthorus Germar 1824) (Insecta, Coleoptera). Opinion 1448
Corticaria Marsham 1802, Entomologia Britannica, sistens insecta Britanniae indigena, secundum methodum Linnaeanam disposita. Tomus I. Coleoptera. Wilks & Taylor, Londini, p. 106 (gender: feminine), type species by subsequent designation of Dajoz (1975) Corticaria ferruginea Marsham 1802 as ruled under the plenary power (Insecta, Coleoptera). Opinion 2288
CORTICARIIDAE originally introduced as CORTICARIDAE Curtis 1829, British entomology; being illustrations and descriptions of the genera of insects found in Great Britain and Ireland: containing coloured figures from nature of the most rare and beautiful species, and in many instances of the plants upon which they are found, vol. 6, London, pl. 283 and unpaginated pages related to pl. 283, type genus Corticaria Marsham 1802, uled under the plenary power (together with other family-group names based on Corticaria) not to be given priority LATRIDIIDAE Erichson 1842 and other family-group names based on Latridius Herbst 1793 whenever their type genera are placed in the same family-group taxon (Insecta, Coleoptera). Opinion 2288
corticis de Geer 1773 [originally in Trips], Mém. Hist. Ins., 3: 11 (specific name of the type species of Hoplothrips Amyot & Serville 1843) (Insecta, Thysanoptera). Opinion 865
Corticularia Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 1: 162 (included in a work rejected for nomenclatural purposes). Opinion 592
corus Fabricius 1793 [originally in Papilio], Entomol. syst., 3(1): 41 (specific name of the type species of Euploea Fabricius 1807) (Insecta, Lepidoptera). Opinion 232
Corvus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 105 (gender: masculine) (type species, by Linnaean tautonymy: Corvus corax Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 105) (Aves). Direction 17
corydon [Denis & Schiffermüller] 1775 [originally in Papilio], Ankündung syst. Werkes Schmett. Wien. Gegend: 184 (an unjustified emendation of coridon Poda 1761 [originally in Papilio]). Opinion 429
Coryhaena Stiles 1922, Smithson. misc. Coll., 73 (No. 1): 73 (an incorrect subsequent spelling for Coryphaena Linnaeus 1758). Direction 56
coryli Linnaeus 1758 [originally in Coccus], Systema Naturae, Ed. 10, vol. 1, p. 456 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1303
coryli Frauenfeld 1865 [originally in Phytoptus], Verhandlungen der kaiserlich-königlichen zoologischbotanischen Gesellschaft in Wien, 15: 263 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Arachnida, Acarina). Opinion 1521
coryligallarum Targioni-Tozzetti 1885 [originally in Phytoptus], Atti della R. Accademia economiche-agrario dei Georgofili di Firenze, 1885: 32 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Arachnida, Acarina). Opinion 1521
Coryne Gaertner in Pallas 1774, Spicilegia zoologica. Quibus novae imprimis et obscurae animalium species iconibus, descriptionibus atque commentariis illustrantur. Fasciculus x: 1–[42], index [1–10] in Pallas, P.S. 1767–1780. Spicilegia zoologica. Tomus I. Continens quadrupedium, avium, amphibiorum, piscium, insectorum, molluscorum aliorumque marinorum. Gottl. August. Lange, Berolini, pp. 40–41 (gender: feminine), type species by monotypy Coryne pusilla Gaertner in Pallas 1774 (Cnidaria, Anthoathecata). Opinion 2311
Corynetes Paykull 1798, Fauna svec., 1: 274 (an unjustified emendation of Korynetes Herbst (1792)). Opinion 604
CORYNIDAE Johnston 1836, History of the Berwickshire Naturalists’ Club, 1[1834]: 107 , type genus Coryne Gaertner in Pallas 1774 (Cnidaria, Anthoathecata). Opinion 2311
CORYNIDINAE Benson 1938, Transactions of the Royal Entomological Society of London, 87(15): 371, spelling emended from CORYNINAE by the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of Corynis Thunberg 1789 is Corynid - (Insecta, Hymenoptera). Opinion 2311.
CORYNINAE Benson 1938, Transactions of the Royal Entomological Society of London, 87(15): 371 spelling emended to CORYNIDINAE by the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of Corynis Thunberg 1789 is Corynid- (Insecta, Hymenoptera). Opinion 2311
Corynis Thunberg 1789, Periculum entomologicum, quo characteres generum Insectorum proponit etc. Dissert. Resp. S. Foerner. Edman, Upsaliae, p. 13 and footnote h, (gender: feminine), type species by subsequent designation by Morice & Durrant (1915) Tenthredo obscura Fabricius 1775, stem ruled under the Plenary Power to be Corynid- (Insecta, Hymenoptera). Opinion 2311.
Coryphaena Coues 1889, Cent. Dict., 2(5): 1286 (a nomen nudum). Direction 56
Coryphaena Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 261 (gender: feminine) (type species, by designation by Jordan & Gilbert 1882 (Bull. U.S. nat. Mus., 16: 454): Coryphaena hippurus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 261) (Osteichthyes). Opinion 77, Direction 56
Coryphella Gray 1850, Figs. moll. Anim., 4: 109 (gender: feminine) (type species, by designation by Alder & Hancock 1855 (Mon. brit. nud. Moll., (7), App.: xxii): Eolis rufibranchialis Johnston 1832, Mag. nat. Hist., 5: 428, valid name: Eolidia verrucosa Sars 1829) (Gastropoda). Opinion 781
CORYPHELLIDAE Bergh 1889, in Carus, Prodr. Fauna Med., 2: 211 (type genus: Coryphella Gray 1850) (Gastropoda). Opinion 781
Coryphium Stephens 1834, Illustrations of British entomology, Mandibulata, vol. 5, p. 344 (gender: neuter) (type species, by monotypy: Coryphium angusticolle Stephens 1834) (Insecta, Coleoptera). Opinion 1597
Corystes Bosc 1802, Hist. nat. Crust., 1: 65, conserved under the plenary power, original entry emended to record that the correct date of publication of Bosc’s paper is prior to 28 April 1802 (gender: masculine), type species, by monotypy: Hippa dentata Fabricius 1793, Entomol. syst., 2: 475, valid name: Cancer cassivelaunus Pennant 1777 (Crustacea, Decapoda). Opinion 689, Opinion 2238
CORYSTIDAE Foster & Philip 1978, Palaeontology, 21(4): 792, spelling emended to CORYSTUSIDAE by the ruling under the plenary power that the stem of the generic name Corystus Pomel 1883 is Corystus- (Echinoidea). Opinion 2238
CORYSTIDAE Samouelle 1819, Entomol. useful Compendium: 82 (type genus: Corystes Bosc [1801- 1802]) (Crustacea, Decapoda). Opinion 689
Corystoides Milne Edwards & Lucas [1844], in d’Orbigny, Voy. Amér. mérid., 6 (Crust.): 31 (gender: masculine) (type species, by monotypy: Corystoides chilensis Milne Edwards & Lucas [1844], in d’Orbigny, Voy. Amér. mérid., 6 (Crust.): 31) (Crustacea, Decapoda). Opinion 73
Coscinocyathus Bornemann 1884, Z. dt. geol. Ges., 36: 704 (gender: masculine) (type species, by designation under the plenary power: Coscinocyathus dianthus Bornemann 1884, Z. dt. geol. Ges., 36: 704) (Archaeocyatha). Opinion 1007
Corystus Pomel 1883, Classification méthodique et genera des échinides vivants & fossiles, p. 61 (gender: masculine), type species by original designation Rhynchopygus dysasteroides Duncan 1877 (Echinoidea). Opinion 2238
CORYSTUSIDAE Foster & Philip 1978, Palaeontology, 21(4): 792, type genus Corystus Pomel 1883, spelling emended from CORYSTIDAE by the ruling under the plenary power that the stem of the generic name Corystus Pomel 1883 is Corystus- (Echinoidea). Opinion 2238
COSMOPTERIGIDAE (correction of COSMOPTERYGIDAE) Heinemann & Wocke 1876, Die Schmetterlinge Deutschlands und der Schweiz, 2(2): 520 (type genus: Cosmopterix Hübner 1825) (Insecta, Lepidoptera). Opinion 866
Cosmopterix Hübner 1825, Verz. bekannt. Schmett.: 424 (gender: feminine) (type species, by designation under the plenary power: Tinea zieglerella Hübner [1805-1810], Samml. europ. Schmett., Tab. Tinea 44, fig. 306) (Insecta, Lepidoptera). Opinion 866
Cossmannella Mayer-Eymar 1896, J. Conchyliol., 44: 366 (gender: feminine) (type species, by designation under the plenary power: Cardita fajumensis Oppenheim 1903, Palaeontographica, 30, Abt. 3, Heft 1-2: 105) (Bivalvia). Opinion 1177
Costaclymenia Schindewolf 1920 (Clymeniida). Op 2473
Costaclymeniidae Ruzhencev 1957 (Clymeniida). ICZN 2021: Opinion 2473
costatus Thunberg 1818 [originally in Ateuchus] (Coleoptera). ICZN 2023: Opinion 2499
costatus, Wiedemann 1823 [originally in Ateuchus] (Coleoptera). ICZN 2023: Opinion 2499
costata Müller 1774 [originally in Helix], Verm. terrestr. fluviat. Hist., 2: 31 (Gastropoda). Opinion 336
costata Pander 1830 [originally in Porambonites], Beiträge zur Geognosie des russischen Reiches, p. 96 (specific name of the type species of Platystrophia King 1850, as defined by the neotype designated by Zuykov 1999, Proceedings of the Estonian Academy of Sciences, 48(4): 200 (Brachiopoda). Opinion 2154
costata Gegenbaur 1856 [originally in Zanclea], Zeitschrift für Wissenschaftliche Zoologie, 8(2): 229 (specific name of the type species of Zanclea Gegenbaur 1856) (Hydrozoa). Opinion 1752
costatum Sharp 1882 [originally in Oosternum], Insecta. Coleoptera. Vol. 1, part 2 in Godman, F.D. & Salvin, O., Biologia Centrali-Americana, vol. 16, p. 112 (specific name of the type species of Oosternum Sharp 1882) (Insecta, Coleoptera). Opinion 1891
costatum Pusch 1833 [originally in Scutellum], Geognostische Beschreibung von Polen, sowie den übrigen Nord- Karpathenländern (1): 119 (specific name of the type species of Scutellum Pusch 1833) (Trilobita). Opinion 1004
costatus Linnaeus 1758 [originally in Silurus], Systema Naturae, p. 306 (specific name of the type species of Platydoras Bleeker 1862) (Osteichthyes) Opinion 2209
costulatus Kriechbaumer 1873 [originally in Halictus], Verhandlungen der Zoologisch-botanischen Gesellschaft in Wien, 23: 59 (Insecta, Hymenoptera). Opinion 1511
cothurnix Scopoli 1786 [originally in Oriolus], Delic. Flor. Faun. insubr., 1: 87 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 684
Cotinis Burmeister 1842, Handb. Entomol., 3: 254 (gender: feminine) (type species, by designation by Casey 1915 (Mem. Coleopt., 6: 277): Gymnetis mutabilis Gory & Percheron [1836], Mon. Cétoines, (13): 334) (Insecta, Coleoptera). Opinion 806
cotovui Simionescu 1907 [originally in Perisphinctes], Public. Fond. Adamach. Acad. Romana, 4(21): 151, pl. vii, fig. 1, as interpreted by the lectotype designated by Arkell 1939 (Monogr. Ammonites Engl. Corall. Beds (Palaeontogr. Soc.): 126) (valid name at the date of Opinion 306 of the type species of Arisphinctes Buckman 1924) (Cephalopoda). Opinion 306
COTTIDAE (correction of COTTINI) Bonaparte [1832], Saggio distrib. met. Anim. vert.: 90, 103 (type genus: Cottus Linnaeus 1758) (Osteichthyes). Direction 87
COTTINI Bonaparte [1832], Saggio distrib. met. Anim. vert.: 90, 103 (type genus: Cottus Linnaeus 1758) (an incorrect original spelling for COTTIDAE Bonaparte [1832], but available for a family-group taxon belonging to a category not having a prescribed termination). Direction 87
Cottus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 264 (gender: masculine) (type species, by designation by Girard 1850 (Proc. Boston Soc. nat. Hist., 3: 184): Cottus gobio Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 265) (Osteichthyes). Opinion 77
Coturnix Bonnaterre 1790, Ency. méth., Ornithol., 1: lxxxvii (conserved under the plenary power) (gender: feminine) (type species, by absolute tautonymy through Opinion 67 and Article 67e (1961 Code): Tetrao coturnix Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 161) (Aves). Opinion 67, Direction 21, Direction 43
Coturnix Brisson 1760, Ornithologia, 1: 247-261 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Direction 21
Coturnix Cuvier 1800, Leçons Anat. comp., 1: 2 (a nomen nudum). Direction 44
Coturnix Nozeman & Vosmaer 1758, Geslacht. Vogel.: 3, 39 (Dutch translation of Moehring 1752, Avium Genera) (included in a work rejected for nomenclatural purposes). Direction 21
coturnix Linnaeus 1758 [originally in Tetrao], Systema Naturae, Ed. 10, vol. 1, p. 161 (specific name of the type species of Coturnix Bonnaterre 1790) (Aves). Direction 43
couchii Kent 1883 [originally in Lepidogaster (sic)], Handb. Marine Freshw. Fishes Brit. Is.: 55, 56 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 638
Coutierea Nobili 1901, Boll. Mus. Zool. Anat. comp. Torino, 16(415): 4 (gender: feminine) (type species, by monotypy: Coralliocaris agassizi Coutière 1901, Bull. Mus. Hist. nat., Paris, 7: 115) (Crustacea, Decapoda). Opinion 470