International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
taxa names:
Se
Sebastocles Jordan & Hubbs 1925, Mem. Carnegie Mus., 10(2): 260 (gender: masculine) (type species, by designation under the plenary power: Sebastichthys hubbsi Matsubara 1937, Copeia, 1937(1): 57) (Osteichthyes). Opinion 1235
sebrus attributed to Boisduval 1832 [originally in (Argus)], Lep. Europe, 1: 72 (not made available in the work cited). Opinion 970
sebrus Hübner 1824-1826 [originally in Papilio], Samml. europ. Schmett.: pl. 172, figs. 851, 854 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 970
secale Draparnaud [1801] [originally in Pupa], Tabl. Moll. terrestr. fluviat. France: 59 (specific name of the type species of Abida Turton 1831) (Gastropoda). Opinion 335
securiger Reichenbach 1816 [originally in Pselaphus], Mon. Pselaph.: 45 (specific name of the type species of Bythinus Leach 1817) (Insecta, Coleoptera). Opinion 887
sedecimanae Lewkowicz 1897 [originally in Haemosporidium], Zbl. Bakt. (Abt. 1), 21(4): 133 (published as a technical designation, not as a specific name, and therefore possesses no status under the Code). Opinion 283
sedentarius Forsskål 1775 [originally in Cancer], Descr. Anim.: 95 (specific name of the type species of Phronima Latreille [1802]) (Crustacea, Amphipoda). Opinion 1133
sedgwickii Salter 1863 [originally in Dichograpsus (sic)], Quart. J. Geol. Soc. London, 19: 137 (specific name of the type species of Dichograptus Hall 1865) (Graptolithina). Opinion 650
seemanni Pickard-Cambridge 1897 [originally in Eurypelma], Biologia Centrali-Americana, Zoologia, vol. 2, p. 26 (specific name of the type species of Aphonopelma Pocock 1901) (Arachnida, Araneae). Opinion 1637
sefilata Forster 1781 [originally in Paradisea (sic)], Indische Zool.: 40 (specific name of the type species of Parotia Vieillot 1816) (Aves). Direction 43
Segestria Latreille 1804, Nouv. Dict. Hist. nat., 24 (Tab.): 134 (gender: feminine) (type species, by designation by Latreille 1810 (Consid. gén. Anim. Crust. Arach. Ins.: 424, 121): Aranea florentina Rossi 1790, Fauna Etrusca, 2: 133) (Arachnida). Opinion 104, Direction 29
Segestria Walckenaer 1805, Tabl. Aran.: 148 (a junior homonym of Segestria Latreille 1804). Direction 29
SEGESTRIENS Simon 1864, Hist. nat. Araignées (ed. 1): 98 (type genus: Segestria Latreille 1804) (a vernacular (French) name). Direction 29
SEGESTRIINAE Simon 1893, Hist. nat. Araignées (ed. 2), 1(2): 310, 319 (type genus: Segestria Latreille 1804) (Arachnida). Direction 29
segmentata Kutikova Markevich & Spiridonov 1990 [originally in Claria], Rotifera. Proceedings of the third All- Union Rotifer symposium, p. 120 (specific name of the type species of Claria Kutikova, Markevich & Spiridonov 1990) (Rotifera). Opinion 2032
Segmentina Fleming 1818, Ency. brit., Suppl. 4th, 5th & 6th eds., 3: 309 (gender: feminine) (type species, by monotypy: Nautilus lacustris Lightfoot 1786, Phil. Trans. roy. Soc., 76: 163, valid name: Planorbis nitidus Müller 1774) (Gastropoda). Opinion 335
segnis Schoenherr 1811 [originally in Pulex], K. Vetensk.-Akad. Nya Handl., Stockholm, 32 (No. 2): 98 (valid name at the date of Opinion 285 of the type species of Leptopsylla Jordan & Rothschild 1911) (Insecta, Siphonaptera). Opinion 285
Seguenziceras Levi 1896, Boll. Soc. geol. ital., 15: 272 (a junior objective synonym of Arieticeras Seguenza 1885). Opinion 337
SEGUENZICERATIDAE Spath 1924, Pal. ind. (n.s.), 9 (Mem. 1): 13 (type genus: Seguenziceras Levi 1896) (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 70
Selene Lacepède 1803, Hist. nat. Poissons, 4: 560 (gender: feminine) (type species, by designation by Jordan & Gilbert 1883 (Bull. U.S. nat. Mus., 16: 439): Selene argentea acepède 1803, Hist. nat. Poissons, 4: 560) (Osteichthyes). Opinion 569
selenkae Jaekel 1911 [originally in Chitra], Die Pithecanthropus-Schichten auf Java. Geologische und Paläontologische Ergebnisse der Trinil-Expedition (1907 und 1908), p. 80, ruled under the plenary power not to be given priority over the name Chitra chitra Nutaphand 1986 whenever the two are considered to be synonyms (Reptilia). Opinion 2119
Selkirkia Walcott 1911, Smithson. misc. Colln., 57(5): 120 (gender: feminine) (type species, by designation under the plenary power: Selkirkia columbia Conway Morris 1977, Special Pap. Palaeontology, No. 20: 33) (Priapulida). Opinion 1337
selousi de Winton 1896 [originally in Cynictis], Ann. Mag. nat. Hist., (6)18: 469 (specific name of the type species of Paracynictis Pocock 1916) (Mammalia). Opinion 384
Selwynoceras Warren & Stelck 1940, Trans. roy. Soc. Canad., 34(4): 151 (gender: neuter) (type species, by original designation: Prionotropis borealis Warren 1930, Trans. roy. Soc. Canad., 24(4): 25, pl. 3, figs. 1-4, pl. 4, fig. 1) ruled under the plenary power not to be given priority over the generic name Collignoniceras Breistroffer 1947 whenever the two names are considered synonyms (Cephalopoda). Opinion 861
Sematura Dalman 1825 (Insecta, Lepidoptera, SEMATURIDAE): precedence over Mania Hubner 1821 not given. ICZN 2015: Opinion 2352 (Case 3531)
Semblis Fabricius 1775, Systema Entomologiae ..., p. 305 (gender: feminine) (type species, ruled under the plenary power to be by subsequent designation by Van der Weele 1910, Megaloptera. Collections Zoologiques du Baron Edm. de Selys Longchamps. Catalogue Systématique et Descriptif, fasc. 5, p. 55: Phryganea phalaenoides Linnaeus 1758) (Insecta, Trichoptera). Opinion 1596
Semeioptera Gray 1859, Literary Gazette (new series), 39: 406, ruled under the plenary power to be an incorrect original spelling of Semioptera (Aves, Paradisaeidae). Opinion 1606
Semele Schumacher 1817, Essai vers test.: 53, 165 (gender: feminine) (type species, by monotypy, through Article 70c: Semele reticulata Schumacher 1817, Essai vers test.: 166, valid name: Tellina proficua Pulteney 1799) (Bivalvia). Opinion 1141
Semiaphis Van der Goot 1913, Tijdschr. Entomol., 56: 105 (conserved under the plenary power) (gender: feminine) (type species, by monotypy: Aphis carotae Koch 1854, Die Pflanzenläuse Aphiden: 112, 113, valid name: Aphis dauci Fabricius 1775) (Insecta, Hemiptera). Opinion 646
semiargenteus Simon 1884 [originally in Mithion], Bulletin de la Société Zoologique de France, 9: 4 (specific name of the type species of Mithion Simon 1884) (Arachnida, Araneae). Opinion 1625
semicostatus Paulcke 1906 [originally in Hoplites plasticus], Ber. naturf. Ges. Freiburg, 15: 203, 204 (pp. 37, 38 of separate) (a junior objective synonym of the nominate subspecies of Hoplites plasticus Paulcke 1906). Opinion 554
semilamellata Mousson 1863 [originally in Clausilia] (Gastropoda). ICZN 2021: Opinion 2481
semilunata Risso 1822 [originally in Phrosina], J. Phys. Chim. Hist. nat. Arts, 95: 245 (specific name of the type species of Phrosina Risso 1822) (Crustacea, Amphipoda). Opinion 1133
semimembranacea Hermann 1804 [originally in Testudo], Observ. Zool.: 219 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 660
seminationis Fabricius 1775 [originally in Musca], Syst. Entomol.: 786 (specific name of the type species of Platystoma Meigen 1803) (Insecta, Diptera). Opinion 1142
seminulum Linnaeus 1758 [originally in Serpula], Systema Naturae, Ed. 10, vol. 1, p. 786, as interpreted by the neotype designated by Loeblich & Tappan 1962 (Bull. zool. Nomencl., 19: 123) (specific name of the type species of Quinqueloculina d’Orbigny 1826) (Rhizopoda). Opinion 692
Semionotus Agassiz 1832, Jahrbuch für Mineralogie, Geognosie und Petrefaktenkunde, 1832(3): 144 (gender: masculine) (type species, by designation under the plenary power: Semionotus bergeri Agassiz 1833) (Osteichthyes). Opinion 1438
Semioptera Gray 1859, Literary Gazette (new series), 39: 406 (gender: feminine) (type species, by monotypy: Semioptera wallacii Gray 1859), ruled under the plenary power to be a correct spelling despite its publication as Semeioptera (Aves, Paradisaeidae). Opinion 1606
semireticulatus Martin 1809 [originally in Conchyliolithus Anomites], Petrif. derb.: sign. 0[3], pl. 32, figs.1-3; pl. 33, fig. 4, as interpreted by the neotype designated by Muir-Wood 1956 (Ops. Decls. int. Comm. zool. Nomencl., 14: 110, 111) (conserved under the plenary power) (specific name of the type species of Dictyoclostus Muir-Wood 1930) (Brachiopoda). Opinion 419
semistriatus Sowerby 1821 [originally in Annomites (sic)], Min. Conch., 4: 15 (an incorrect subsequent spelling for semireticulatus Martin 1809 [originally in Conchyliolithus Anomites]). Opinion 419
semistriatus Fabricius 1794 [originally in Byrrhus], Entomol. syst., 4: 437 (specific name of the type species of Simplocaria Stephens 1829) ruled under the plenary power to be given precedence over the specific names picipes Olivier 1790, as published in the binomen Byrrhus picipes and rufipes Kugelann 1792, as published in the binomen Byrrhus rufipes, whenever all three names or any two of them are considered synonyms (Insecta, Coleoptera). Opinion 1323
semistriatus Bate 1888 [originally in Campylonotus], Rep. Voy. ‘Challenger’ (Zool.), 24: 768 (specific name of the type species of Campylonotus Bate 1888) (Crustacea, Decapoda). Opinion 470
semiticus Reck 1925 [originally in Rhynotragus], Illustrierte Zeitung, Leipzig, 164: 451 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Mammalia). Opinion 2029
semivariegata Smith 1847 [originally in Dendrophis (Philothamnus)], Ill. Zool. S. Africa: pls. lix, lx, lxiv, figs. 1a-b (type locality, as restricted by Bogert 1940 (Bull. amer. Mus. nat. Hist., 77: 56): ‘Bushman Flat, Cape Province’) (specific name of the type species of Philothamnus Smith 1847) (Reptilia). Opinion 328
SEMNOPITHECIDAE Owen 1843, Rep. brit. Assoc. Adv. Sci. for 1842: 55 (type genus: Semnopithecus Desmarest 1822) (Mammalia). Opinion 1202
Semnopithecus Desmarest 1822, Encycl. méth. (Mammifères) (2): 533 (gender: masculine) (type species, by designation by Lereboullet 1838 (Mém. Soc. Mus. Hist. nat. Strasbourg, 2 (KK), table 1): Simia entellus Dufresne 1797, Bull. Sci. Soc. philom. Paris, no. 7: 49) (Mammalia). Opinion 1202
senapis Hübner [1799-1800] [originally in Papilio], Samml. europ. Schmett.: 64, pl. Pap. 82, figs. 410, 411 (an incorrect subsequent spelling for sinapis Linnaeus 1758 [originally in Papilio]). Opinion 584
senator Linnaeus 1758 [originally in Conus], Systema Naturae, Ed. 10, vol. 1, p. 714 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 753
senegalensis Duméril & Bibron 1841 [originally in Cystignathus], Erpét. gén., 8: 418 (specific name of the type species of Kassina Girard 1853) (Amphibia). Opinion 849
senegalensis Geoffroy Saint-Hilaire 1796 [originally in Galago], Magasin Encyclopédique, ou journal des sciences, des lettres et des arts, (2)1(1): 49 (specific name of the type species of Galago Geoffroy Saint-Hilaire 1796) (Mammalia). Opinion 1995, Direction 22
senegallensis Linnaeus 1776 [originally in Picus], Cat. Birds Beasts Fishes Ins. Edwards’ nat. Hist.: 9 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 412
Senex Pfeffer 1881, Verh. naturwiss. Ver. Hamburg (n.f.), 5: 30 (a junior objective synonym of Panulirus White 1847). Opinion 507
senex Brown 1849 [originally in Unio], Illustr. foss. Conch. Gt. Brit. & Ireland: 178 (Bivalvia). Opinion 858
senilis Linnaeus 1761 [originally in Priapus], Fauna svecica (ed. 2): 510 (valid name at the date of Opinion 1269 of the type species of Metridium Blainville 1824) (Anthozoa). Opinion 1269
Senometopia Macquart 1834, Insectes diptères du nord de la France. Tome V. Athéricères: créophiles, oestrides, myopaires, conopsaires, scénopiniens, céphalopsides, L. Danel, Lille, p. 296 (gender: feminine), type species ruled under the Plenary Power to be Carcelia aurifrons Robineau-Desvoidy 1830 by subsequent designation by Townsend (1916) (Insecta, Diptera). Opinion 2307
Sepia Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 658 (gender: feminine) (type species, by Linnaean tautonymy: Sepia officinalis Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 658) (Cephalopoda). Opinion 94, Direction 72
Sepia Schneider 1784, Samml. verm. Abhandl. Aufklär. Zool.: 109 (not made available in the work cited). Opinion 233
sepia Schneider 1784 [originally in Octopodia], Samml. verm. Abhandl. Aufklär. Zool.: 109 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 233
Sepiola Schneider 1784, Samml. verm. Abhandl. Aufklär. Zool.: 116 (not made available in the work cited). Opinion 233
sepium Horsfield 1821 [originally in Orthotomos], Trans. linn. Soc. London, 13(1): 166 (Aves). Opinion 409
septemcarinatus Sabine 1824 [originally in Crangon], Suppl. App. Parry’s Voy. N.W. Passage: ccxxxvi
septemfasciatum Audinet-Serville [1838] [originally in Acridium], Histoire Naturelle des Insectes. Orthoptères, p. 661 (specific name of the type species of Nomadacris Uvarov 1923) (Insecta, Orthoptera). Opinion 1454
septemguttata Kieffer 1894 [originally in Lestodiplosis], Bull. Soc. entomol. France, 1894: 280 (specific name of the type species of Lestodiplosis Kieffer 1894) (Insecta, Diptera). Opinion 526
septemradiatus Müller 1776 [originally in Pecten], Zool. dan. Prodr.: 248 (specific name of the type species of Pseudamussium Mörch 1853) (Bivalvia). Opinion 714
septemspinosus Fabricius 1787 [originally in Cancer], Mantissa Ins., 1: 325 (specific name of the type species of Iphis Leach 1817) (Crustacea, Decapoda). Direction 49
septemspiralis Razoumowsky 1789 [originally in Helix], Hist. nat. Jorat, 1: 278 (Gastropoda). Opinion 336
septemvittatus Say 1825 [originally in Coluber], J. Acad. nat. Sci. Philadelphia, 4: 240 (specific name of the type species of Regina Baird & Girard 1853) (Reptilia). Opinion 632
septemvolva Say 1818 [originally in Polygyra], Journal of the Academy of Natural Sciences of Philadelphia, 1(10): 278 (specific name of the type species of Polygyra Say 1818) (Gastropoda). Opinion 1691
septenarius Quenstedt 1857 [originally in Ammonites], Der Jura, p. 614 (specific name of the type species of Ceratosphinctes Ziegler 1959) (Ammonoidea). Opinion 2123
septentrionalis Gmelin 1788 [originally in Lanius], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 2, p. 306 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 409
septentrionicola Felder & Felder 1862 [originally in Eterusia aedea], Wiener Entomologische Monatschrift, 6: 32 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Lepidoptera). Opinion 2151
Septoproductus Frech 1911, in Richthofen, F. von, China, Ergebnisse eigener Reisen und darauf gegründeter Studien, vol. 5, p. 132 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Brachiopoda). Opinion 1928
sepulchralis Houttuyn [1787] [originally in Cicindela], Anim. Mus. Houtt. Index: 76 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 380
Sergestes Milne Edwards 1830, Ann. Sci. nat., Paris, (1)19: 348 (gender: masculine) (type species, by monotypy: Sergestes atlanticus Milne Edwards 1830, Ann. Sci. nat., Paris, (1)19: 349) (Crustacea, Decapoda). Opinion 864
SERGESTIDAE Dana 1852, Proc. Acad. nat. Sci. Philadelphia, 6: 18 (type genus: Sergestes Milne Edwards 1830) (Crustacea, Decapoda). Opinion 864
sericea Linnaeus 1758 [originally in Chrysomela], Systema Naturae, Ed. 10, vol. 1, p. 374 (specific name of the type species of Cryptocephalus Geoffroy 1762) (Insecta, Coleoptera). Opinion 1754
Sericulus Swainson 1825, Zool. J., 1(4): 476 (gender: masculine) (type species, by monotypy: Meliphaga chrysocephala Lewin 1808, Birds New Holland: 10) (Aves). Opinion 67
Seriola Cuvier [1816], Règne Anim. (ed. 1), 2: 315 (gender: feminine) (type species, by original designation: Caranx dumerili Risso 1810, Ichth. Nice: 175, pl. 6, fig. 20) (Osteichthyes). Opinion 461
Seriola Topsent 1892, Résult. Camp. sci. Monaco, 2: 8 (a junior homonym of Seriola Cuvier [1816]). Opinion 461
serpens Hassall 1848 [originally in Campanularia], Zoologist, 6: 2223 (specific name of the type specimen of Filellum Hincks 1868) (Hydrozoa). Opinion 1485
serpens Cuvier 1829 [originally in Gempylus], Règne Anim. (ed. 2), 2: 200 (specific name of the type species of Gempylus Cuvier 1829) (Osteichthyes). Opinion 487
serpentina Linnaeus 1758 [originally in Testudo], Systema Naturae, Ed. 10, vol. 1, p. 199 (specific name of the type species of Chelydra Schweigger 1812) (Reptilia). Direction 57
serpentinus Wiedemann 1830 [originally in Dacus] (Diptera). ICZN 2021: Opinion 2479
Serphus Schrank 1780, Schrift. Berlin Ges. nat. Freunde, 1: 307 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 2
Serpula Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, pp. 786-788 (gender: feminine) (type species, by designation under the plenary power: Serpula vermicularis Linnaeus 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1267) (Polychaeta). Opinion 767
SERPULIDAE (correction of SERPULÉES) Lamarck 1818, Hist. nat. Anim. sans Vertèbr., 5: 357 (type genus: Serpula Linnaeus 1758) (Polychaeta). Opinion 767
serra Brongniart 1828 [originally in Fucoides], Hist. Veget. foss., 1: 71 (valid name at the date of Opinion 650 of the type species of Tetragraptus Salter 1863) (Graptolithina). Opinion 650
Serranus Cuvier 1817, Règne Anim. (ed. 1), 2: 276 (gender: masculine) (type species, by designation under the plenary power: Perca cabrilla Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 294) (Osteichthyes). Opinion 93
serrata Fabricius 1793 [originally in Locusta], Entomol. syst., 2: 43 (specific name of the type species of Saga Charpentier 1825) (Insecta, Orthoptera). Direction 5
serrata Renier [1804] [originally in Tellina], Tav. alfab. Conch. adriat.: VI (included in a work rejected for nomenclatural purposes). Opinion 427
serrata White 1847 [originally in Valdivia], Proc. zool. Soc. London, 15: 85 (specific name of the type species of Valdivia White 1847) (Crustacea, Decapoda). Direction 36
serraticornis Houttuyn [1787] [originally in Cerambyx], Anim. Mus. Houtt. Index: 73 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 380
serratidigitus Coutière 1897 [originally in Jousseaumea], Bull. Mus. Hist. nat., Paris, 2: 382 (specific name of the type species of Salmoneus Holthuis 1955) (Crustacea, Decapoda). Opinion 673
serratifrons Kinahan 1858 [originally in Ozius (?)], J. roy. Dublin Soc., 1(3): 113 (valid name at the date of Opinion 712 of the type species of Pilumnopeus Milne Edwards 1867) (Crustacea, Decapoda). Opinion 712
Serratula Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 185 (included in a work rejected for nomenclatural purposes). Opinion 592
serratus Pennant 1777 [originally in Astacus], British Zoology, Ed. 4, vol. 4, p. 19, as defined by the lectotype (the specimen figured by Pennant 1777, pl. 16, fig. 28) designated by Holthuis 1988, Bulletin of Zoological Nomenclature, 45: 121 (Crustacea, Decapoda). Opinion 1576
serratus Forsskål 1775 [originally in Cancer], Descr. Anim.: 90 (specific name of the type species of Scylla de Haan [1833]) (Crustacea, Decapoda). Direction 36
serratus Fabricius 1787 [originally in Oniscus], Mantissa Insectorum, p. 242 (specific name of the type species of Sphaeroma Bosc 1802) (Isopoda). Opinion 1574
serratus Bate 1881 [originally in Penaeopsis], Ann. Mag. nat. Hist., (5)8: 183 (specific name of the type species of Penaeopsis Bate 1881) (Crustacea, Decapoda). Opinion 864
serratus Milne Edwards 1881 [originally in Stylodactylus], Ann. Sci. nat., Paris (Zool.), (6)11(4): 11 (specific name of the type species of Stylodactylus Milne Edwards 1881) (Crustacea, Decapoda). Opinion 470
Serrella Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 185 (included in a work rejected for nomenclatural purposes). Opinion 592
serresii Desor 1856 [originally in Psammechinus]. Designation of as the type species of Schizechinus Pomel 1869 (Echinodermata, Echinoidea): not accepted. ICZN 2008: Opinion 2194 (Case 3356)
serricornis Walker 1870 [originally in Moraba], Catalogue Dermaptera Saltatoria Brit. Mus. (3): 505 (specific name of the type species of Moraba Walker 1870) (Insecta, Orthoptera). Opinion 1096
serrifer Rathbun 1902 [originally in Discias], Proc. Washington Acad. Sci., 4: 290 (specific name of the type species of Discias Rathbun 1902) (Crustacea, Decapoda). Opinion 433
serripes Olivier 1811 [originally in Myodochus], Ency. méth., 8 (Ins.): 106 (specific name of the type species of Myodocha Latreille 1807) (Insecta, Hemiptera). Opinion 669
servatus Fage 1924 [originally in Lepidophthalmus], C.R. Acad. Sci., Paris, 178: 2128 (specific name of the type species of Lepidomysis Clarke 1961) (Crustacea, Mysidacea). Opinion 693
setacea Linnaeus 1758 [originally in Sertularia], Systema Naturae, Ed. 10, vol. 1, p. 813 (specific name of the type species of Plumularia Lamarck 1816) (Hydrozoa). Opinion 1886
seticaudata Risso 1816 [originally in Melicerta], Hist. nat. Crust. Nice: 110 (specific name of the type species of Lysmata Risso 1816) (Crustacea, Decapoda). Opinion 522
seticornis Hisinger 1840 [originally in Asaphus], Lethaea svec., Suppl. sec.: 3 (specific name of the type species of Tretaspis McCoy 1849) (Trilobita). Opinion 505
seticornis Herbst 1788 [originally in Cancer], Vers. Naturgesch. Krabben Krebse, 1(7): 229 (specific name of the type species of Stenorhynchus Lamarck 1818) (Crustacea, Decapoda). Opinion 763
seticornis De Geer 1776 [originally in Tipula agarici] (Arthropoda). ICZN 2014: Opinion 2333
Setidium Schmidt 1879, Die Spongien des Meerbusen von Mexico, Heft 1, p. 30 (gender: neuter) (type species, by monotypy: Setidium obtectum Schmidt 1879) (Porifera). Opinion 2060
setiferus Linnaeus 1767 [originally in Cancer], Systema Naturae, Ed. 12, vol. 1, part 2, p. 1054, as interpreted by the neotype designated by Burkenroad 1939 (Bull. Bingham oceanog. Coll., 6(6): 17) (Crustacea, Decapoda). Opinion 817
setigerum Schmidt 1852 [originally in Trigonostomum], Sitzungsberichte der kaiserlichen Akademie der Wissenschaften zu Wien, Mathematisch-Naturwissenschaftliche Classe, 9: 500, specific name of the type species of Trigonostomum Schmidt 1852 and of Hyporhynchus Graff 1882 (Platyhelminthes ). Opinion 2229
setosa Leske 1778 [originally in Echinometra], Addit. J.T. Klein Nat. Disp. Echin.: 35; pl. 37, figs. 1-12; pl. 47, figs. 1, 2 (specific name of the type species of Diadema Gray 1825) (Echinoidea). Opinion 206
setosus Fabricius 1798 [originally in Cancer], Supplementum entomologiae systematicae, p. 339, as defined by the neotype designated under the plenary power (male specimen collected from Ambon (RMNH-D-191) and housed in the Nationaal Natuurhistorisch Museum, Leiden) (Crustacea). Opinion 2213
setosus Dementieva 1931 [originally in Gammarus], Trans. State Oceanogr. Inst. Moscow, 1(2-3): 74-82, figs. 7, 8 (Crustacea, Amphipoda). Opinion 1090
setulosa Jakovlev 1874 [originally in Anomaloptera], Bull. Soc. imp. Nat. Moscou, 1874 (No. 2): 261, pl. 10, fig. 5 (specific name of the type species of Jakowleffia Puton 1875) (Insecta, Hemiptera). Opinion 368
sexdecimlamellata Eydoux & Gervais 1838 [originally in Echeneis], Poissons. Voyage de la Favorite. Cl. IV, in: Magasin de Zoologie, 7: 1 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1033
sexdentatum Stimpson 1858 [originally in Camptandrium], Proc. Acad. nat. Sci. Philadelphia, 1858: 107 (specific name of the type species of Camptandrium Stimpson 1858) (Crustacea, Decapoda). Direction 36
sexdentatus Paulson 1875 [originally in Archias], Izslyed. Rakoobr. krasn. Morya [Stud. Crust. Red Sea]: 57 (specific name of the type species of Archias Paulson 1875) (Crustacea, Decapoda). Direction 36
sexdentatus Herbst 1783 [originally in Cancer], Versuch Naturgesch. Krabben Krebse, 1(2-5): 153 (a junior objective synonym of feriatus Linnaeus 1758 [originally in Cancer]). Opinion 712
sexdentatus Risso 1827 [originally in Goneplax], Hist. nat. princip. Prod. Europ. mérid., 5: 13 (specific name of the type species of Brachynotus de Haan [1833]) (Crustacea, Decapoda). Opinion 712
sexlineata Reuter 1882 [originally in Corisa] (currently Sigara (Tropocorixa) sexlineata; Insecta, Heteroptera): specific name not conserved, ICZN 1995: Opinion 1795
sexmaculatus Rüppell 1830 [originally in Serranus], Atlas zu der Reise im nordlichen Afrika. Fische des rothen Meers, p. 107 (Osteichthyes). Opinion 1439
sexpes Fabricius 1798 [originally in Cancer], Suppl. Entomol. syst.: 344 (specific name of the type species of Hexapus de Haan [1833]) (Crustacea, Decapoda). Direction 36
sexpunctata Fabricius 1792 [originally in Crioceris], Entomologia systematica emendata et aucta ..., vol. 1, part 2, p. 4 (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 1709
sexpunctata Eschscholtz 1818 [originally in Stenodera] (Coleoptera). ICZN 2020: Opinion 2448
sexsignata Say 1839 [originally in Buprestis], Transactions of the American Philosophical Society, (2)6: 158, ruled under the plenary power to be given precedence over the names Chrysobothris ignipes Gory & Laporte 1838 and Chrysobothris germari Gory & Laporte 1838, whenever it and Chrysobothris ignipes Gory & Laporte 1838 and / or Chrysobothris germari Gory & Laporte 1838 are considered to be synonyms (Insecta, Coleoptera). Opinion 2174
seychellensis Schlegel 1837 [originally in Psammophis], Essai sur la physionomie des serpens, vol. 1 (Partie générale), p. 155 (specific name of the type species of Lycognathophis Boulenger 1893) (Reptilia, Serpentes). Opinion 1856