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. Parrys 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 dEurope, 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 dItalia, 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 

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