International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
taxa names:
Le
leachi Sowerby 1819 [originally in Ammonites], Min. Conch., 3: 73, pl. 242, fig. 4 (specific name of the type species of Quenstedtoceras (emendation of Quenstedioceras) Hyatt 1877) (Cephalopoda). Opinion 324
Leachia Risso 1826, Histoire naturelle des principales productions de l’Europe méridionale, p. 102 (a junior homonym of Leachia Lesueur 1821) (Cephalopoda). Opinion 2161
leachii Dahlbom 1835 [originally in Nematus], Clavis Hymenopt.: 27 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 906
Leander Desmarest 1849, Ann. Soc. entomol. France, (2)7: 92 (gender: masculine) (type species, by monotypy: Leander erraticus Desmarest 1849, Ann. Soc. entomol. France, (2)7: 92) (Crustacea, Decapoda). Opinion 564
lebanonensis Wheeler 1949 [originally in Drosophila], University of Texas Publications, 4920: 143 (Insecta, Diptera). Opinion 1969
lebasii Gerstaecker 1858 [originally in Acinaces], Monogr. Endomych.: 179 (specific name of the type species of Acinaces Gerstaecker 1858) (Insecta, Coleoptera). Opinion 487
Lebbeus White 1847, List Crust. Coll. Brit. Mus.: 76, 135 (conserved under the plenary power) (gender: masculine) (type species, by monotypy: Alpheus polaris Sabine 1824, Suppl. App. Parry’s Voy. N.W. Passage: ccxxxviii) (Crustacea, Decapoda). Opinion 671
leberis Linnaeus 1758 [originally in Coluber], Systema Naturae, Ed. 10, vol. 1, p. 216 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 632
Lebia Oken 1817, Isis, 1: 1183 (a junior homonym of Lebia Latreille 1802) (Osteichthyes). Opinion 2057
Lebias Goldfuss 1820, Handbuch der Zoologie, vol. 2, p. 16 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Osteichthyes). Opinion 2057
lebona Hewitson [1865] [originally in Hypolycaena], Ill. diurn. Lep., Lyc., (2): 51, pl. 23 (specific name of the type species of Tatura Butler [1888]) (Insecta, Lepidoptera). Opinion 994
Lecanium Burmeister 1835, Handb. Entomol., 2: 69 (a junior objective synonym of Coccus Linnaeus 1758). Opinion 1303
Lechriodus Boulenger 1882, Cat. Batrachia Gradientia Caudata: 116 (gender: masculine) (type species, by monotypy, through Batrachopsis Boulenger 1882: Asterophrys melanopyga Doria 1875, Ann. Mus. civ. Stor. nat. Genova, 6: 355, 356) (Amphibia). Opinion 1063
lectularius Linnaeus 1758 [originally in Cimex], Systema Naturae, Ed. 10, vol. 1, p. 441 (specific name of the type species of Cimex Linnaeus 1758) (Insecta, Hemiptera). Direction 64
Ledella Verrill & Bush 1897, Amer. J. Sci., 3: 54 (gender: feminine) (type species, by designation under the plenary power: Ledella bushae Warén 1978, Sarsia, 63: 213, 214) (Bivalvia). Opinion 1306
Ledra Fabricius 1803, Syst. Rhyng.: 24 (gender: feminine) (type species, by designation by Latreille 1810 (Consid. gén. Anim. Crust. Arach. Ins.: 434, 264): Cicada aurita Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 435) (Insecta, Hemiptera). Opinion 299
LEDRIDAE Kirschbaum [1867], Jahrb. nassau. Ver. Naturk., 21/22: 14 (type genus: Ledra Fabricius 1803) (Insecta, Hemiptera). Opinion 647
leeanus Rathbun 1898 [originally in Lipaesthesius], Proc. U.S. nat. Mus., 21 (No. 1162): 585 (specific name of the type species of Lipaesthesius Rathbun 1898) (Crustacea, Decapoda). Direction 36
Leechia Tutt [1907], Nat. Hist. Brit. Butts., 2: 142 (a junior homonym of Leechia South 1901). Opinion 541
Leichotes Gistl 1834, Die Insecten-Doubletten aus der Sammlung des Herrn Grafen Rudolph von Jenison Walworth zu Regensburg, no. 1, p. 9 (a junior objective synonym of Ischnosoma Stephens 1829) (Insecta, Coleoptera). Opinion 1726
leilus Linnaeus 1758 [originally in Papilio], Systema Naturae, Ed. 10, vol. 1, p. 462 (specific name of the type species of Urania Fabricius 1807) (Insecta, Lepidoptera). Opinion 232
leiogaster Valenciennes 1847 [originally in Sardinella], in Cuvier & Valenciennes, Hist. nat. Poiss., 20: 270 (Osteichthyes). Opinion 901
Leiopelma Fitzinger 1861, Verh. zool.-bot. Ges. Wien, 11: 218 (gender: neuter) (type species, by monotypy: Leiopelma hochstetteri Fitzinger 1861, Verh. zool.-bot. Ges. Wien, 11: 218) (Amphibia). Opinion 1071
LEIOPELMATIDAE (emendation under the plenary power of LIOPELMATINA) Mivart 1869, Proc. zool. Soc. London, 1869: 291 (type genus: Leiopelma Fitzinger 1861) (Amphibia). Opinion 1071
LEIOPELMIDAE Turbott 1942, Trans. roy. Soc. N.Z., 71: 247 (type genus: Leiopelma Fitzinger 1861) (a junior objective synonym of LEIOPELMATIDAE Mivart 1869). Opinion 1071
Leiparthrum Wollaston 1854, Insecta Maderensia, being an account of the insects of the islands of the Madeiran group: 294 (an incorrect original spelling for Liparthrum Wollaston 1854). Opinion 1166
Leipoa Gould 1840 (1 December), The birds of Australia, Part 1. text to pl. 6 (gender: feminine), type species by monotypy Leipoa ocellata Gould 1840 (1 December) (Aves). Opinion 2231
Leistes Vigors 1825, Zool. J., 2(6): 191 (gender: masculine) (type species, by original designation: Oriolus americanus Gmelin 1788, in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 2, p. 386, valid name: Emberiza militaris Linnaeus 1758) (Aves). Opinion 67
Lekanesphaera Verhoeff 1943, Zeitschrift für Morphologie und Ökologie der Tiere, 39: 169 (gender: feminine) (type species, by monotypy: Europosphaera (Lekanesphaera) excavatum Verhoeff 1943, a junior subjective synonym of Sphaeroma monodi Arcangeli 1934) (Isopoda). Opinion 1574
Lema Fabricius 1798, Suppl. Entomol. syst.: 4, 90 (gender: feminine) (type species, by designation under the plenary power: Lema cyanea Fabricius 1798, Suppl. Entomol. syst.: 92) (Insecta, Coleoptera). Opinion 908
lemana Fieber 1860 [originally in Sigara], Die europäischen Hemiptera, p. 89 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Heteroptera). Opinion 1491
lemniscatus Linnaeus 1758 [originally in Coluber], Systema Naturae, Ed. 10, vol. 1, p. 224 (specific name of the type species of Elaps Schneider 1801) (Reptilia). Opinion 1201
Lemonias Hübner [1806], Tentamen: [1] (included in a work rejected for nomenclatural purposes). Opinion 278
Lemur Hübner [1809]-[1813], Erste Zutr. Samml. exot. Schmett.: 4, 5 (ref. to Zutr. Samml. exot. Schmett., 1: pls. [5], [17]) (a junior homonym of Lemur Linnaeus 1758). Direction 24
Lemur Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 29 (gender: masculine) (type species, by designation by Thomas 1911 (Proc. zool. Soc. London, 1911: 129): Lemur catta Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 30) (Mammalia). Opinion 122, Direction 24
lemur Schrank 1801 [originally in Maniola], Fauna boica, 1(2): 152, 170, as interpreted by the lectotype designated by Hemming 1956 (Bull. zool. Nomencl., 12: 282) (a junior objective synonym of jurtina Linnaeus 1758 [originally in Papilio]). Opinion 506
leniusculus Dana 1852 [originally in Astacus], U.S. Explor. Exped., Crustacea (1): 524 (Crustacea, Decapoda). Opinion 855
lenkoranicus Kessler 1877 [originally in Gobius], Tr. Aralo-Casp. Exp., 4: 34 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 860
lens Férussac [1832] [originally in Helix], Hist. nat. gén. partic. Moll. terrestr. fluviat. (Livr. 23) (Planches): explic. pl. 66, fig. 2 (for the date adopted see Kennard 1942, Proc. malac. Soc. London, 25: 110) (Gastropoda). Opinion 336
lenticularis Blumenbach 1805 [originally in Madreporites], Abbildungen naturhistorischer Gegenstände, Heft 8, no. 80 (specific name of the type species of Palorbitolina Schroeder 1963) (Foraminiferida). Opinion 1587
Leonaspis Richter & Richter 1917, Centralbl. Min. Geol. Pal., 1917: 465 (gender: feminine) (type species, by original designation: Odontopleura leonhardi Barrande 1846, Not. prélim. Syst. silur. Trilob. Bohême: 58) (Trilobita). Opinion 498
leonhardi Barrande 1846 [originally in Odontopleura], Not. prélim. Syst. silur. Trilob. Bohême: 58 (specific name of the type species of Leonaspis Richter & Richter 1917) (Trilobita). Opinion 498
leonidas Fabricius 1793 [originally in Papilio], Entomol. Syst., 3: 35 (specific name of the type species of Arisbe Hübner [1819]) (Insecta, Lepidoptera). Opinion 823
Leontocaris Stebbing 1905, Mar. Invest. S. Afr., 4: 21, 98 (gender: feminine) (type species, by monotypy: Leontocaris paulsoni Stebbing 1905, Mar. Invest. S. Afr., 4: 99) (Crustacea, Decapoda). Opinion 470
lepadiformis Müller 1776 [originally in Ascidia], Zool. dan. Prodr.: 226 (specific name of the type species of Clavelina Savigny 1816) (Urochordata). Direction 73
Lepas da Costa 1778, Hist. nat. Test. Brit.: 1 (a junior homonym of Lepas Linnaeus 1758). Direction 66
Lepas Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 667 (gender: feminine) (type species, by designation by Pilsbry 1907 (Bull. U.S. nat. Mus., 60: 79): Lepas anatifera Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 668) (Crustacea, Cirripedia). Opinion 77, Direction 66
Lephelisca Barnes & Lindsey 1922, Ann. entomol. Soc. Amer., 15: 93 (a junior objective synonym of Calephelis Grote & Robinson 1869). Opinion 755
lepida Boheman 1847 [originally in Delphax], Öfvers. K. svensk. Vetensk.-Akad. Förhandl., 1847: 265 (specific name of the type species of Euconomelus Haupt 1929) (Insecta, Hemiptera). Opinion 648
Lepidocyclina Gümbel [1870], Abh. K.-bayer. Akad. Wiss., 1868: 689, 717 (conserved under the plenary power) (gender: feminine) (type species, by designation by Douvillé 1898 (Bull. Soc. géol. France, (3)26: 594): Nummulites mantelli Morton 1833, Amer. J. Sci., 23(2): 291) (Rhizopoda). Opinion 127
Lepidocyrtus Bourlet 1839, Mém. Soc. r. Sci. Lille, 1839(1): 391, 392 (gender: masculine) (type species, by monotypy: Lepidocyrtus curvicollis Bourlet 1839, Mém. Soc. r. Sci. Lille, 1839(1): 392) (Insecta, Collembola). Opinion 291
Lepidogaster Kent 1883, Handb. Marine Freshw. Fishes Brit. Is.: 55, 56 (an incorrect subsequent spelling for Lepadogaster Gouan 1770). Opinion 638
Lepidomenia Kowalevsky in Brock 1883, Zoologischer Jahresbericht, 1882(3): 29, authorship confirmed by the Commission (gender: feminine) (type species, by designation under the plenary power: Lepidomenia hystrix Marion & Kowalevsky in Fischer 1885) (Solenogastres). Opinion 1676
LEPIDOMYSIDAE Clarke 1961, Crustaceana, 2(3): 252 (type genus: Lepidomysis Clarke 1961) (Crustacea, Mysidacea). Opinion 693
Lepidomysis Clarke 1961, Crustaceana, 2(3): 251, 252 (gender: feminine) (type species, by monotypy: Lepidophthalmus servatus Fage 1924, C.R. Acad. Sci., Paris, 178: 2128) (Crustacea, Mysidacea). Opinion 693
Lepidopa Stimpson 1858, Proc. Acad. nat. Sci. Philadelphia, 1858: 230 (gender: feminine) (type species, by designation under the plenary power: Lepidopa venusta Stimpson 1859, Ann. Lyc. nat. Hist. New York, 7: 79) (Crustacea, Decapoda). Opinion 693
LEPIDOPHTHALMIDAE Fage 1924, C.R. Acad. Sci., Paris, 178: 2129 (type genus: Lepidophthalmus Fage 1924) (invalid because the name of the type genus is a junior homonym). Opinion 693
Lepidophthalmus Fage 1924, C.R. Acad. Sci., Paris, 178: 2128 (a junior homonym of Lepidophthalmus Holmes 1904). Opinion 693
LEPIDOPIDAE Stammer 1936, Zool. Jahrb. (Syst.), 68: 54 (type genus: Lepidops Zimmer 1927) (invalid because the name of the type genus is a junior homonym). Opinion 693
Lepidops Miers 1878, J. linn. Soc. London (Zool.), 14: 331 (an unjustified emendation of Lepidopa Stimpson 1858). Opinion 693
Lepidops Stimpson 1860, Ann. Lyc. nat. Hist. New York, 7: 113 (an incorrect subsequent spelling for Lepidopa Stimpson 1858). Opinion 693
Lepidops Zimmer 1927, in Kükenthal & Krumbach, Handb. Zool., 3(1): 644 (a junior homonym of Lepidops Miers 1878). Opinion 693
lepidopus Oken 1816 [originally in Bipes], Lehrb. Naturgesch., 3: 286 (included in a work rejected for nomenclatural purposes). Opinion 651
lepidota Pallas 1766 [originally in Aphrodita], Miscellanea Zoologica, p. 94 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Polychaeta). Opinion 1666
Lepidurus Leach 1819, Dict. Sci. nat., 14: 539 (conserved under the plenary power) (gender:masculine) (type species, by monotypy: Monoculus apus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 635, as interpreted by the lectotype designated by Holthuis 1956 (in Holthuis & Hemming, Bull. zool. Nomencl., 12: 72)) (Crustacea, Branchiopoda). Opinion 502
lepidus Reuss 1860 [originally in Chiton], Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften in Wien, 39(2): 259, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of Chiton lepidus Gould 1859 (Polyplacophora). Opinion 2033
Lepisina Radermacher 1779, Verh. Batav. Genoot., 1: 104 (an incorrect subsequent spelling for Lepisma Linnaeus 1758). Direction 63
Lepisma Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 608 (type species, by designation by Latreille 1810 (Consid. gén. Anim. Crust. Arach. Ins.: 423, 113): Lepisma saccharina Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 608) (Insecta, Thysanura). Opinion 104, Direction 63; Direction 71; ICZN 2018: Opinion 2427
Lepisosteus Lacépède 1803 (gender: masculine), type species Lepisosteus gavialis Lacépède 1803 (Opinion 21)
lepisurus Cuvier 1830 [originally in Heliases], Histoire Naturelle des Poissons, vol. 5, p. 498 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Osteichthyes, Perciformes). Opinion 1563
Lepomis Rafinesque 1819, Journal de Physique, de Chimie, d’Histoire Naturelle et des Arts, 88: 420 (gender, as ruled under the plenary power: masculine) (type species, by original designation: Labrus auritus Linnaeus 1758) (Osteichthyes, Perciformes). Opinion 1684
leporina Linnaeus 1758 [originally in Tethys], Systema Naturae, Ed. 10, vol. 1, p. 653 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 200
leprieuri Blanchard 1849 [originally in Melissodes], in Cuvier, Règne Anim. (ed. 3), 2 atlas: pl. 129 bis, figs. 4, 4a, as interpreted by the neotype designated by La Berge 1962 (Entomol. News, 73: 164, 165) (specific name of the type species of Melissodes Latreille 1829) (Insecta, Hymenoptera). Opinion 750
Leprota Melichar 1912, Abh. k.-k. zool. bot. Ges. Wien, 7: 33, 91, pl. 111, figs. 14, 15 (gender: feminine) (type species, by designation under the plenary power: Leprota melichari Fennah 1963, Bull. zool. Nomencl., 20: 303) (Insecta, Hemiptera). Opinion 751
Leprotintinnus Jörgensen 1900, Bergens Mus. Årb., 1899(2): 10 (gender: masculine) (type species, by designation under the plenary power: Tintinnus pellucidus Cleve 1899, K. svensk. Vetensk.-Akad. Handl., 32(3): 24, Tab. 1, fig. 4) (Ciliophora). Opinion 926
Lepsia Hutton 1884, Trans. New Zealand Inst., 16: 222 (a junior homonym of Lepsia Quoy 1839). Opinion 479
Leptaenalosia de Verneuil 1845, in Murchison, de Verneuil & Keyserling, Géologie de la Russie d’Europe, 2(3), Paléont.: 281 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 625
Leptasterias Verrill 1866, Proc. Boston Soc. nat. Hist., 10: 350 (gender: masculine) (type species, by original designation: Asteracanthion muelleri Sars 1846, Fauna littoralis Norvegiae: 56, pl. 8, figs. 38, 39) (Asteroidea). Opinion 984
Lepthemis Hagen 1861 (Odonata). ICZN 2014: Opinion 2339
Leptidea Billberg 1820, Enum. Ins. Mus. Billberg: 76 (gender: feminine) (type species, by monotypy: Papilio sinapis Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 468) (Insecta, Lepidoptera). Opinion 584
LEPTIDEIDI Verity 1947, Farfalle diurne d’Italia, 3: 114 (type genus: Leptidea Billberg 1820) (Insecta, Lepidoptera). Opinion 584
Leptidia Scudder 1875, Proc. amer. Acad. Arts Sci. (Boston), 10: 204 (an incorrect subsequent spelling for Leptidea Billberg 1820). Opinion 584
LEPTIDIINAE Bryk 1955, Entomol. Tidskr., 76: 19 (type genus: Leptidea Billberg 1820) (an incorrect subsequent spelling for LEPTIDEINAE Verity 1947). Opinion 584
Leptinotarsa Chevrolat 1837, in Dejean, Cat. Coleopt., 5: 397 (gender: feminine) (type species, by designation by Motschulsky 1860 (in Schrenk, Reisen Forsch. Amurlände, 2(2): 182): Leptinotarsa heydenii Stål 1858, Öfvers. k. Vetenskaps Akad. Förh., 15: 475) (Insecta, Coleoptera). Opinion 1290
Leptocephalus Basilewsky 1855, Nouv. Mém. Soc. imp. Nat. Moscou, 10: 234 (a junior homonym of Leptocephalus Scopoli 1777). Direction 87
Leptocephalus Cuvier [1797], Tabl. élém. Hist. nat. Anim.: 329 (a junior homonym of Leptocephalus Scopoli 1777). Direction 87
Leptocephalus Gmelin [1789], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 3, p. 1130 (a junior homonym of Leptocephalus Scopoli 1777). Direction 87
Leptocephalus Gronovius 1763, Zoophylac. gronov., 1: 135 (included in a work rejected for nomenclatural purposes). Direction 87
Leptocephalus Scopoli 1777, Introd. Hist. nat.: 453 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Direction 87
Leptochela Stimpson 1860, Proc. Acad. nat. Sci. Philadelphia, 1860: 42 (gender: feminine) (type species, by designation by Holthuis 1955 (Zool. Verh., Leiden, 26: 36): Leptochela gracilis Stimpson 1860, Proc. Acad. nat. Sci. Philadelphia, 1860: 42) (Crustacea, Decapoda). Opinion 470
Leptoclinum Milne Edwards 1841, Mémoires de l’Académie des Sciences de l’Institut de France, 18: 297 (gender: neuter) (type species, by designation under the plenary power: Leptoclinum fulgens Milne Edwards 1841) (Tunicata, Ascidiacea). Opinion 1412
Leptocorisa Latreille 1829, in Cuvier, Règn. Anim., 5: 197 (gender: feminine) (type species, by subsequent monotypy: Leptocorisa flavida Guérin 1831, Voy. Coq., Zool. Atlas Plate (Ins.) 12, valid name: Cimex acuta Thunberg 1783) (Insecta, Hemiptera). Opinion 800
LEPTOCORISARIA Stål 1872, Öfvers. K. svensk. Vetensk.-Akad. Forhandl., 29: 54 (type genus: Leptocorisa Latreille 1829) (an incorrect original spelling for LEPTOCORISINI Stål 1872). Opinion 800
LEPTOCORISINI (correction of LEPTOCORISARIA) Stål 1872, Öfvers. K. svensk. Vetensk.-Akad. Forhandl., 29: 54 (type genus: Leptocorisa Latreille 1829) (Insecta, Hemiptera). Opinion 800
Leptocorixa Berthold 1827, in Latreille, Nat. Fam. Thierr.: 418 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 800
LEPTOCORIXARIA Bergroth 1913, Entomol. Mitteil., 11: 12 (type genus: Leptocorixa Berthold 1827) (invalid because the name of the type genus has been suppressed under the plenary power). Opinion 800
leptodactyla von Willemoes-Suhm 1873 [originally in Deidamia], in Thomson, Nature, London, 8: 51 (specific name of the type species of Willemoesia Grote 1873) (Crustacea, Decapoda). Opinion 519
Leptodiplosis Kieffer 1894, Bull. Soc. entomol. France, 1894: 28 (an incorrect original spelling for Lestodiplosis Kieffer 1894). Opinion 526
Leptodius Milne Edwards 1863, Ann. Sci. nat., Paris (Zool.), (4)20: 283, 284 (gender: masculine) (type species, by monotypy: Chlorodius exaratus Milne Edwards 1834, in Roret’s Suites à Buffon, Hist. nat. Crust., 1: 402) for use by those who consider that Chlorodius exaratus Milne Edwards is generically distinct from Cancer incisus [Leach 1814], the type species of Xantho [Leach 1814] (Crustacea, Decapoda). Opinion 85, Direction 37
Leptoglena Grassé & de Boissezon 1929, Bull. Soc. zool. France, 54(3): 187 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 915
Leptolebiatini Costa 1998 (Osteichthyes). ICZN 2024: Opinion 2506
Leptolebiini Costa 1998 (Osteichthyes). ICZN 2024: Opinion 2506
Leptoparius Peters 1863, Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin, 1863: 452 (a junior objective synonym of Stenorhynchus Smith 1849) (Amphibia, Anura). Opinion 1921
Leptophis Bell 1825, Zool. J., 2(7): 322 (gender: masculine) (type species, by designation by Fitzinger 1843 (Syst. Rept.: 26): Coluber ahaetulla Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 225, as interpreted by the lectotype designated by Savage & Oliver 1956 (Bull. zool. Nomencl., 12: 148, 149)) (Reptilia). Opinion 524
Leptophyes Fieber 1852, in Kelch, Grundl. Orth. Oberschles.: 3 (gender: masculine) (type species, by monotypy: Locusta punctatissima Bosc 1792, Actes Soc. Hist. nat. Paris, 1(1): 45) (Insecta, Orthoptera). Opinion 149
Leptopsylla Jordan & Rothschild 1911, Novit. zool., 18: 85 (gender: feminine) (type species, by original designation: Pulex musculi Dugès 1832, Ann. Sci. nat., Paris, 27: 163, valid name: Pulex segnis Schoenherr 1811) (Insecta, Siphonaptera). Opinion 285
Leptopterna Fieber 1858, Wien. entomol. Monats., 2: 302 (gender: feminine) (type species, by monotypy: Cimex dolabratus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 449) (Insecta, Hemiptera). Opinion 898
leptorhyncha Coues 1866 [originally in Diomedea], Proc. Acad. nat. Sci. Philadelphia, 18: 178 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1060
Leptoria Stephens 1835, Ill. brit. Entomol., Haustellata, 4: 404 (an incorrect subsequent spelling for Leptosia Hübner 1818). Opinion 584
Leptosia Hübner 1818, Zutr. Samml. exot. Schmett., 1: 13 (gender: feminine) (type species, by designation by Scudder 1875 (Proc. Amer. Acad. Arts Sci., 10: 204): Leptosia chlorographa Hübner 1818, Zutr. Samml. exot. Schmett., 1: 13, pl. 9, figs. 47, 48) (Insecta, Lepidoptera). Opinion 584
LEPTOSIIDI Wheeler 1903, Butts. Switz.: 65, 147 (type genus: Leptosia Hübner 1818) (invalid because based on a misidentified type genus). Opinion 584
Leptosoma Bonaparte 1850, Consp. gen. Avium, 1: 96 (an incorrect subsequent spelling for Leptosomus Vieillot 1816). Opinion 1068
LEPTOSOMATIDAE Filipjev 1916, Ezhegodnik zool. Mus., 21: 64 (type genus: Leptosomatum Bastian 1865) (Nematoda). Opinion 1068
LEPTOSOMATINAE des Murs 1860, Traité gén. ool. ornithol.: 530 (type genus: Leptosomus Vieillot 1816) (an incorrect subsequent spelling for LEPTOSOMINAE Blyth 1838). Opinion 1068
Leptosomatum Bastian 1865, Trans. linn. Soc. London, 25: 144 (gender: neuter) (type species, by original designation: Leptosomatum elongatum Bastian 1865, Trans. linn. Soc. London, 25: 145) (Nematoda). Opinion 1068
Leptosomus Vieillot 1816, Anal. nouv. ornith. élém.: 28 (gender: masculine) (type species, by designation by Cabanis & Heine 1862 (Mus. Hein., 4: 57): Cuculus discolor Hermann 1783, Tab. Aff. Anim. (ed. 2): 186) (Aves). Opinion 1068
Leptotrombidium Nagayo, Miyagawa, Mitamura, Tamiya & Satori 1915, Dobuts. Zasshi, 28: 379 (gender: neuter) (type species, by monotypy: Trombidium akamushi Brumpt 1910, Précis de Parasitologie (ed. 1): 506, fig. 335) (Arachnida). Opinion 1218
LEPTOTYPHLOPIDAE Stejneger 1891 (1890), Proc. U.S. nat. Mus., 14: 501 (type genus: Leptotyphlops Fitzinger 1843) (Reptilia). Opinion 1207
Leptotyphlops Fitzinger 1843, Syst. Rept.: 24 (gender: masculine) (type species, by original designation: Typhlops nigricans Schlegel 1839, Abbildungen neuer oder unvollständig bekannter Amphibien: 38) (Reptilia). Opinion 1207
LEPTSOMIDAE Blyth 1838, Mag. nat. Hist., (2)2: 421 (type genus: Leptosomus Vieillot 1816) (Aves). Opinion 1068
lepturoides Fabricius 1801 [originally in Rhinomacer], Systema eleutheratorum secundum ordines, genera, species: adiectis synonimis, locis, observationibus, descriptionibus, vol. 2, p. 429 (specific name of the type species of Nemonyx Redtenbacher 1845) (Insecta, Coleoptera). Opinion 2111
Leptusa Kraatz 1856, Naturgeschichte der Insecten Deutschlands. Erste Abteilung. Coleoptera, Bd. 2, p. 60 (gender: feminine) (type species, by subsequent designation by Gusarov & Herman 2002, Entomologische Blätter für Biologie und Systematik der Käfer, 98: 115: Bolitochara pulchella Mannerheim 1830) (Insecta, Coleoptera). Opinion 2113
Lepus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 57 (gender: masculine) (type species, by Linnaean tautonymy: Lepus timidus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 57) (Mammalia). Opinion 91, Direction 24
Lernaea Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 655 (gender: feminine) (type species, by designation by Wilson 1917 (Proc. U.S. nat. Mus., 53: 37): Lernaea cyprinacea Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 655) (Crustacea, Copepoda). Opinion 481
Lernaeocera (emendation under the plenary power of Lerneocera) Blainville 1822, J. Phys. Chim. Hist. nat., 95: 375 (gender: feminine) (type species, by designation under the plenary power: Lernaea branchialis Linnaeus 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1092) (Crustacea, Copepoda). Opinion 481
Lerneocera Blainville 1822, J. Phys. Chim. Hist. nat., 95: 375 (suppressed under the plenary power as an incorrect original spelling for Lernaeocera Blainville 1822). Opinion 481
LES DITISQUES de Geer 1774, Mém. Hist. Ins., 4: 354, 381 (type genus: Dytiscus Linnaeus 1758) (invalid because applied only to the members of a genus). Opinion 619
LES LAGANES Desor 1858, Syn. Ech. foss.: 216, 217 (type genus: Laganum Link 1807) (an incorrect original (vernacular) spelling for LAGANIDAE Desor 1858). Opinion 608
Lespesia Robineau-Desvoidy 1863, Hist. nat. Diptères environs de Paris: 567 (gender: feminine) (type species, by designation under the plenary power: Achaetoneura anisotae Webber 1930, Proc. U.S. nat. Mus., 78(10): 13) (Insecta, Diptera). Opinion 1255
Lesteva Latreille 1797, Précis des caractères génériques des insectes, disposés dans un ordre naturel, p. 75 (gender: feminine) (type species, by designation under the plenary power: Lesteva punctulata Latreille 1804) (Insecta, Coleoptera). Opinion 2084
Lestis Lepeletier & Serville 1828, Ency. méth., 10 (Ins.): 795, 799, 800 (gender: masculine) (type species, by designation under the plenary power: Apis bombylans Fabricius 1775, Syst. Entomol.: 386) (Insecta, Hymenoptera). Opinion 657
Lestodiplosis Kieffer 1894, Bull. Soc. entomol. France, 1894: 280 (gender: feminine) (type species, by original designation: Lestodiplosis septemguttata Kieffer 1894, Bull. Soc. entomol. France, 1894: 280) (Insecta, Diptera). Opinion 526
lesueuri Chevrolat 1835 [originally in Erotylus], Coléoptera du Mexique, Cent. 2, fasc. 8, no. 175 (specific name of the type species of Mycotretus Lacordaire 1842) (Insecta, Coleoptera). Opinion 1824
lesueurii d’Orbigny 1836 [originally in Atlanta], Voyage dans l’Amérique méridionale . . ., vol. 5(3), Mollusques, p. 177 (Gastropoda). Opinion 2216
lesueurii J.E. Gray 1850 [originally in Atlanta], Explanation of the plates, p. 101, in M.E. Gray, Figures of the molluscous animals, vol. 4, pl. 241, fig. 5, ruled under the plenary power not to be invalid by reason of being a junior primary homonym of Atlanta lesueurii d’Orbigny 1836 (Gastropoda). Opinion 2216
Lethocerus Mayr 1853, Verh. zool.-bot. Ver. Wien, 2 Sitzungsber.: 17 (gender: masculine) (type species, by monotypy: Lethocerus cordofanus Mayr 1853, Verh. zool.-bot. Ver. Wien, 2 Sitzungsber.: 17, valid name: Belostoma fakir Gistl [1848]) (Insecta, Hemiptera). Opinion 1248
LEUCASPIDINAE Atkinson 1886, Journal of the Asiatic Society of Bengal, 55: 271, 273-274, correction of Leucaspiaria (type genus: Leucaspis Signoret 1869) (Insecta, Sternorrhyncha). Opinion 1401
Leucaspis Burmeister 1835, Archiv für Naturgeschichte, 1(2): 47, and all uses of the name prior to the publication of Leucaspis Signoret 1869 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Sternorrhyncha). Opinion 1401
Leucaspis Signoret 1869, Annales de la Société Entomologique de France, (4)8: 865 (gender: feminine) (type species, by monotypy: Aspidiotus pini Hartig 1839) (Insecta, Sternorrhyncha). Opinion 1401
Leucifer Milne Edwards 1837, Hist. nat. Crust., 2: 467 (an incorrect subsequent spelling for Lucifer Thompson 1830). Opinion 864
LEUCIFÉRIENS Milne Edwards 1837, in Roret’s Suites à Buffon, Hist. nat. Crust., 2: 467 (type genus: Lucifer Thompson 1830) (a vernacular (French) name). Opinion 864
LEUCIFERINAE Ortmann 1898, Bronn’s Klass. Ordn. Tierr., 5(2)(50): 1121 (type genus: Lucifer Thompson 1830) (an incorrect subsequent spelling for LUCIFERIDAE Dana 1852). Opinion 864
Leucochila von Martens 1860, in Albers, Die Heliceen (ed. 2): 296 (gender: feminine) (type species, by original designation: Pupa fallax Say 1825, J. Acad. nat. Sci. Philadelphia, 5: 121) for use by those who consider that the taxon so named is distinct from the older established nominal taxon Pupoides Pfeiffer 1854 (Gastropoda). Opinion 115, Direction 72
Leucochilus Boettger [1880], in von Martens, Conch. Mitt., 1: 64 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy in Opinion 115). Direction 72
Leucochilus Kraatz [1897], Deutsche entomol. Z., 1896: 375 (conserved under the plenary power) (gender: masculine) (type species, by monotypy: Leucocelis notaticollis Kraatz [1897], Deutsche entomol. Z., 1896: 71, footnote) (Insecta, Coleoptera). Direction 72
Leucochroa Beck 1837, Index Molluscorum praesentis aevis Musei Principis Augustissimi Christiani Frederici, p. 16 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (objective synonym of Theba Risso 1826) (Gastropoda). Opinion 2135
LEUCOCHROIDAE Westerlund 1886, Fauna der in der palaärctischen Region lebenden Binnenconchylien. I. Fam. Testacellidae, Glaudinidae, Vitrinidae und Leucochroidae, p. 82 (suppressed for the purposes of both the Principle of Priority and the Principle of Homonymy, by reason of being based on a misidentified type genus (Leucochroa Beck 1837), itself suppressed being based on a misidentified type species) (Gastropoda). Opinion 2135
Leucocraspedon Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 561 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Leucocytozoon Berestneff 1904, Archiv für Protistenkunde, 3: 376 (gender: neuter) (type species, by monotypy: Leukocytozoen danilewskyi Ziemann 1898) (Protista). Opinion 1971
leucodactyla Denis & Schiffermüller 1775 [originally in Alucita], Ankündung eines systematisches Werkes von den Schmetterlinge der Wiener Gegend, p. 146, as defined by the neotype designated by Arenberger 1985, Entomologische Zeitschrift, 95(17): 245 (Insecta, Lepidoptera). Opinion 2041
leucodon Hermann 1780 [originally in Sorex], in Zimmermann, Geogr. Gesch. Mens., 2: 383 (specific name of the type species of Crocidura Wagler 1832) (Mammalia). Direction 22
leucogaster Marsham 1802 [originally in Curculio], Coleoptera Britannica, vol. 1, p. 253 (senior subjective synonym of Rhynchaenus myriophylli Gyllenhal 1813, the type species of Phytobius Schönherr 1833) (Insecta, Coleoptera). Opinion 1968
Leucolepisma Wall 1954 (Zygentoma). ICZN 2018: Opinion 2427
leucomelas Koch 1854 [originally in Chaitophorus], Die Pflanzenläuse, Aphiden, getreu nach dem Leben abgebildet und beschrieben: 4, 5, figs. 5, 6 (specific name of the type species of Chaitophorus Koch 1854) (Insecta, Hemiptera). Opinion 1161
Leucomitra Howell 1901, N. Amer. Fauna, 20: 39 (gender: feminine) (type species, by monotypy: Chincha macroura Lichtenstein [1832], Darstell. Säugeth.: text to pl. 46) for use by those who consider on taxonomic grounds that Leucomitra Howell is distinct from Mephitis Geoffroy Saint-Hilaire & Cuvier 1795 (Mammalia). Opinion 384
Leucon Krøyer 1846, Naturhistorisk Tidsskrift, n. ser., 2: 208 (gender: masculine) (type species, by subsequent designation by Sars 1879, Archiv for Mathematik og Naturvidenskab, 4: 24: Cuma nasica Krøyer 1841) (Cumacea). Opinion 1594
Leucon Schönherr 1834, Genera et species Curculionidum cum synonymia hujus familiae, vol. 2, part 1, p. 285, and all uses of the name prior to the publication of Leucon Krøyer 1846 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Coleoptera). Opinion 1594
LEUCONIDAE Sars 1878, Archiv for Mathematik og Naturvidenskab, 3: 466 (type genus: Leucon Krøyer 1846) (Cumacea). Opinion 1594
leuconota Lichtenstein [1832-1834] [originally in Mephitis], Darstell. Säugth. (9): text to pl. 44, fig. 1 (specific name of the type species of Oryctogale Merriam 1902) (Mammalia). Opinion 384
Leucopera Gmelin 1790, in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 6, p. 3028 (an incorrect subsequent spelling for Leucophra Müller 1780). Opinion 915
leucophaea Pallas 1766 [originally in Antilope], Miscell. Zool.: 4 (specific name of the type species of Hippotragus Sundevall 1846) (Mammalia). Direction 22
leucophaea Cuvier 1807 [originally in Simia], Ann. Mus. Hist. nat., Paris, 9: 477, pl. 37 (Mammalia). Opinion 935
leucophaeus Hübner 1818 [originally in Bithys], Zutr. Samml. exot. Schmett., 1: 18, pl. [16], figs. 87, 88 (Insecta, Lepidoptera). Opinion 541
Leucophasia Stephens 1827, Ill. brit. Entomol., Haustellata, 4: 24 (a junior objective synonym of Leptidea Billberg 1820). Opinion 584
Leucophrus Ehrenberg 1838, Die Infusionsth.: 311 (an incorrect subsequent spelling for Leucophra Müller 1780). Opinion 915
LEUCOPHRYDAE Mugard 1949, Ann. Sci. nat., zool. Biol. animale, (3)10(2): 171 (type genus: Leucophrys Ehrenberg 1830) (an incorrect original spelling for LEUCOPHRYIDAE Mugard 1949). Opinion 915
LEUCOPHRYENS Dujardin 1841, Hist. nat. Zoophytes: 456 (type genus: Leucophrys Ehrenberg 1830) (a vernacular name). Opinion 915
LEUCOPHRYIDAE Mugard 1949, Ann. Sci. nat., zool. Biol. animale, (3)10(2): 171 (type genus: Leucophrys Ehrenberg 1830) (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 915
Leucophrys Ehrenberg 1830, Organization syst. geogr. Verhalt. Infusionsth.: 96 (an unjustified emendation of Leucophra Müller 1780). Opinion 915
leucoptera Pallas 1811 [originally in Alauda], Zoograph. rosso-asiat., 1: 518, pl. 33 (Aves). Opinion 403
leucopterus Say 1832 [originally in Lygaeus], N. Sp. Het. Hemipt. N. Amer.: 14 (Insecta, Hemiptera). Opinion 705
leucopus Gray 1867 [originally in Acanthomys], Proc. zool. Soc. London, 1867: 598 (Mammalia). Opinion 1116
leucopus Marsham [1802] [originally in Staphylinus], Coleopt. Brit.: 506 (specific name of the type species of Ischnopoda Stephens 1835) (Insecta, Coleoptera). Opinion 600
leucopygus [anon.] [1840] [originally in Turdus], Verz. Java Samml. Thier. Holzapfel: No. 96 (included in a work suppressed under the plenary power for nomenclatural purposes). Opinion 273
Leucorea Laporte 1835, Études entomologiques, part 1 (Carnassiers), p. 106 (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 1681
leucorhinus Parker 1875 [originally in Artamus] (Aves). ICZN 2020: Opinion 2455
leucorhynchos J.F. Gmelin (1788) [originally in Lanius] (Aves). ICZN 2020: Opinion 2455
leucorhyncos Vieillot 1817 [originally in Artamus] (Aves). ICZN 2020: Opinion 2455
leucorhynchus G.R. Gray 1840 [originally in Artamus] (Aves). ICZN 2020: Opinion 2455
leucorhynus Tweeddale 1877 [originally in Artamus] (Aves). ICZN 2020: Opinion 2455
leucorinus P.L.S. Müller 1776 (Aves). ICZN 2020: Opinion 2455
leucorodia Linnaeus 1758 [originally in Platalea], Systema Naturae, Ed. 10, vol. 1, p. 139 (specific name of the type species of Platalea Linnaeus 1758) (Aves, Ciconiiformes). Opinion 1674, Direction 43
leucorrhynchus var. celebensis Brüggemann 1876 [originally in Artamus] (Aves). ICZN 2020: Opinion 2455
leucoryn Linnaeus 1771 [originally in Lanius] (Aves). ICZN 2020: Opinion 2455
leucorynchos Boddaert 1783 [originally in Lanius] (Aves). ICZN 2020: Opinion 2455
leucorynchus Linnaeus 1771 [originally in Lanius] (Aves). ICZN 2020: Opinion 2455
leucoryncos Latham 1781 [originally in Lanius] (Aves). ICZN 2020: Opinion 2455
leucorynus Walden 1875 [originally in Artamus] (Aves). ICZN 2020: Opinion 2455
Leucosia Dybowski 1875, Mém. Acad. Sci. St. Pétersbourg, (7)22(8): 36 (a junior homonym of Leucosia Weber 1795). Opinion 712
Leucosia Fabricius 1798, Suppl. Entomol. syst.: 313, 349 (a junior homonym of Leucosia Weber 1795). Opinion 712
Leucosia Rambur 1866, Cat. Syst. Lepid. Andalousie (2): 267 (a junior homonym of Leucosia Weber 1795). Opinion 712
Leucosia Weber 1795, Nomencl. entomol. Syst. Fabr.: 92 (gender: feminine) (type species, by designation by Holthuis 1959 (Rumphius Memorial Volume: 106): Cancer craniolaris Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 626) (Crustacea, Decapoda). Opinion 712
LEUCOSIADAE Samouelle 1819, Entomol. useful Compendium: 91 (type genus: Leucosia Weber 1795) (an incorrect original spelling for LEUCOSIIDAE Samouelle 1819). Opinion 712
Leucosides Rathbun 1897, Proc. biol. Soc. Washington, 11: 160 (a junior objective synonym of Leucosia Weber 1795). Opinion 712
LEUCOSIIDAE (correction of LEUCOSIADAE) Samouelle 1819, Entomol. useful Compendium: 91 (type genus: Leucosia Weber 1795) (Crustacea, Decapoda). Opinion 712
Leucosilia Bell 1855, Proc. linn. Soc. London, 2: 431; id., 1855, Trans. linn. Soc. London, 21: 295 (gender: feminine) (type species, by monotypy: Guaia (Ilia) jurinei Saussure 1853, Rev. Mag. Zool., (2)5: 265, 266, pl. 13, fig. 4) (Crustacea, Decapoda). Opinion 73, Direction 37
leucospilota Brandt 1835 [originally in Stichopus], Prodr. Descr. Anim. Mertens. Orb. Terr. Circumnav. observ.: 251 (Holothuroidea). Opinion 762
leucosticta Reiche 1860 [originally in Cetonia], Annales de la Société Entomologique de France, (3)7: ccix (a nomen oblitum) (Insecta, Coleoptera). Opinion 2128
leucostictos Gmelin 1788 [originally in Gryllus (Bulla) [Acridium]], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 4, p. 2059, No. 219 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1103
leucostoma Gmelin 1791 [originally in Voluta], Systema Naturae, Ed. 13, vol. 1, part 6, p. 3457, ruled under the plenary power not to be given priority over the specific name papilio Link 1807, as published in the binomen Voluta papilio, whenever the two names are considered synonyms (Gastropoda). Opinion 1292
leucothyreus Fåhraeus 1840 [originally in Promecops], in Schoenherr, Gen. Spec. Curc., 6(1): 328 (specific name of the type species of Promecodes Balfour-Browne 1960) (Insecta, Coleoptera). Opinion 605
Leucotis Swainson 1840, Treat. Malacol.: 346 (a junior objective synonym of Vanikoro Quoy & Gaimard 1832). Opinion 1009
Leucotus Sowerby 1842, Conch. Man. (ed. 2): 172 (an unjustified emendation of Leucotis Swainson 1840). Opinion 1009
Leuctra Stephens 1835, Ill. Brit. Entomol., 6: 144 (gender: feminine) (type species, by designation under the plenary power: Phryganea fusca Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 549) (Insecta, Plecoptera). Opinion 836
Leukocytozoen Ziemann 1898, Ueber Malaria- und andere Blutparasiten nebst Anhang. Eine wirksame Methode der Chromatin- und Blutfärbung, p. 128, pl. 3, figs. 29-33 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Protista). Opinion 1971
levicarina Bate 1888 [originally in Dorodotes], Rep. Voy. ‘Challenger’ (Zool.), 24: 680 (specific name of the type species of Heterocarpoides de Man 1917) (Crustacea, Decapoda). Opinion 470
levicollis Brullé 1832 [originally in Staphylinus], in Bory St Vincent, Expédition scientifique de Morée. Section des sciences physiques, vol. 3, part 1 (Zoologie), section 2 (Des animaux articles), p. 131 (specific name of the type species of Quedius Stephens 1829) (Insecta, Coleoptera). Opinion 1851
levifrons Rafinesque 1814 [originally in Pisitoe], Précis Découv. Trav. somiolog.: 26 (a junior objective synonym of Cancer sedentarius Forsskål 1775, through the neotype proposed by Holthuis 1969 (Bull. zool. Nomencl., 26: 107) and designated under the plenary power). Opinion 1133
levigatus Rafinesque 1814 [originally in Inachus], Précis Découv. Trav. somiolog.: 21 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 522
Levinsenia Mesnil 1897, Bull. sci. France Belgique, 30: 93 (gender: feminine) (type species, by designation in Opinion 1139: Aonides gracilis Tauber 1879, Annulata Danica, 1: 115) (Polychaeta). Opinion 1139
LEVINSENIIDAE Mesnil & Caullery 1898 (as LEVINSENIENS), Bull. Sci. France Belgique, 31: 137 (type genus: Levinsenia Mesnil 1897) ruled under the plenary power not to be given priority over PARAONIDAE Cerruti 1909 whenever Levinsenia Mesnil and Paraonis Grube 1873 are placed in the same family-group taxon (Polychaeta). Opinion 1139
lewisianus de Koninck 1847 [originally in Productus], Mém. Soc. roy. Sci. Liège, 4: 262 (Brachiopoda). Opinion 625
leydigi Schödler 1863 [originally in Alona], Neue Beitr. Naturgesch. Cladoc.: 27 (specific name of the type species of Leydigia Kurz 1874) (Crustacea, Branchiopoda). Opinion 532
Leydigia Kurz 1874, SitzBer. Kais. Akad. Wiss. Wien (Math. Nat. Cl.), 70(1): 57 (gender: feminine) (type species, by original designation, and under Article 67e: Alona leydigi Schödler1863, Neue Beitr. Naturgesch. Cladoc.: 27) (Crustacea, Branchiopoda). Opinion 532