International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS

taxa names:

La

Labeceras Spath 1925, Ann. Transvaal Mus., 11: 179, 191 (gender: neuter) (type species, by designation under the plenary power: Labeceras bryani Whitehouse 1926, Mem. Queensland Mus., 8: 227, pl. xxxix, figs. 4a, b) (Cephalopoda). Opinion 556  

LABECERATIDAE Spath 1925, Ann. Transvaal Mus., 11: 191 (type genus: Labeceras Spath 1925) (Cephalopoda). Opinion 556 

Labia [Leach 1815], in Brewster’s Edinburgh. Ency., 9(1): 118 (gender: feminine) (type species, by monotypy: Forficula minor Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 423) (Insecta, Dermaptera). Opinion 149

labiata Malmgren 1865 [originally in Lysippe], Öfvers. K. svensk. Vetensk.-Akad. Förhandl., Stockholm, 22: 367 (specific name of the type species of Lysippe Malmgren 1865) (Polychaeta). Opinion 347

labiata Fabricius [1805] [originally in Megilla], Systema Piezatorum, p. 333 (specific name of the type species of Macropis Panzer 1809) (Insecta, Hymenoptera). Opinion 1383

labiatus Schmidt 1932 [originally in Storthingocrinus], Palaeontographica, 76: 26 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 727  

Labidiopempton Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 546 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069  

LABIIDAE Burr 1909, Deutsche Entomologische Zeitschrift, 1909: 323 (type genus: Labia Leach 1815), ruled under the plenary power that it and other family-group names based on Labia are to be given precedence over ISOLABELLINAE Verhoeff 1902 and other family-group names based on Isolabella Verhoeff 1902 whenever their type genera are placed in the same family-group taxon (Insecta, Dermaptera). Opinion 2125

labrosus Olivier 1804 [originally in Bulimus], Voyage dans l´Empire Othoman, l´Egypte et la Perse, fait par ordre du Gouvernement, pendant les six premières années de la République, vol. 4, livraison 2, p. 30 (specific name of the type species of Buliminus Beck 1837) (Gastropoda). Opinion 2018  

Labrus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 282 (gender: masculine) (type species, by designation under the plenary power: Labrus mixtus Linnaeus 1758) (Osteichthyes, Perciformes). Opinion 1954 

labyrinthicus Kner 1858 [originally in Microdus], Sitzungsber. k. Akad. Wiss. Wien, 30 Heft 13: 77 (specific name of the type species of Caenotropus Guenther 1864) (Osteichthyes). Opinion 1150

Lacerta Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 200 (gender: feminine) (type species, by designation by Fitzinger 1843 (Syst. Rept.: 20): Lacerta agilis Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 203) (Reptilia). Opinion 92, Direction 56

lacertina Linnaeus 1766 [originally in Siren], Amoen. Acad., 7: 325 (specific name of the type species of Siren Linnaeus 1766) (Amphibia). Direction 57

lachesis Hübner 1790 [originally in Papilio], Beitr. Schmett., 2(3): 70, pl. 3, figs. P.1, 2♂ (Insecta, Lepidoptera). Opinion 400

Lachmundi Bertrand 1763 [originally in Pentacrinos], Dict. Univ. Foss. Propres Foss. Accid., 2: 109 (included in a work rejected for nomenclatural purposes). Opinion 592

LACHNINAE Passerini 1863, Aphididae Ital.: [7] (type genus: Lachnus Burmeister 1835) (Insecta, Hemiptera). Direction 54

Lachnopodus Stimpson 1858, Proc. Acad. nat. Sci. Philadelphia, 1858: 32 (gender: masculine) (type species, by monotypy: Lachnopodus rodgersii Stimpson 1858, Proc. Acad. nat. Sci. Philadelphia, 1858: 32) (Crustacea, Decapoda). Opinion 85, Direction 37

Lachnopus Schönherr 1840, Genera et species curculionidum, cum synonymia hujus familiae, p. 380 (gender: masculine) (type species, by original designation: Curculio aurifer Drury 1773) (Insecta, Coleoptera). Opinion 1451

Lachnus Burmeister 1835, Handb. Entomol., 2(1): 91 (gender: masculine) (type species, by designation under the plenary power: Aphis roboris Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 452) (Insecta, Hemiptera). Opinion 399

laciniatus Villers 1789 [originally in Cimex], Caroli Linnaei entomologia, faunae Sueciae descriptionibus aucta, DD. Scopoli, Geoffroy, de Geer, Fabricii, Schrank etc. speciebus vel in systemate non enumeratis, vel nuperrime detectis, vel speciebus Galliae Australis locupleta, generum specierumque rariorum iconibus ornate, 1. P. 493. Piestre & Delamolliere, Lugduni [=Lyon] (senior subjective synonym of Coreus hystrix Latreille 1817, the specific name of the type species of the genus Phyllomorpha Laporte 1833) (Heteroptera) Opinion 2198

lacinulata Gmelin 1791 [originally in Doris], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 6, p. 3105 (a junior homonym of lacinulata Müller 1776 [originally in Doris]). Opinion 773

lacordairei Lacordaire 1859 [originally in Delognatha], Histoire naturelle des insectes. Généra des coléoptères ou exposé méthodique et critique de tous les genres proposés jusqu’ici dans cet ordre d’insectes. Tome cinquième. Première partie contenant les familles des Ténébrionides, Cistélides, Nilionides, Pythides, Mélandryides, Lagriides, Pédilides, Anthicides, Pyrochroïdes, Mordellides, Rhipiphorides, Stylopides, Meloïdes et Oedémérides. 750 pp. Librairie Encyclopédique de Roret, Paris, p. 316 (specific name of the type species of Delognatha Lacordaire1859) (Insecta, Coleoptera). Opinion 2250

lactea Müller 1774 [originally in Helix], Verm. terrestr. fluviat. Hist., 2: 19 (Gastropoda). Opinion 336 

lacteus Linnaeus 1758 [originally in Coluber], Systema Naturae, Ed. 10, vol. 1, p. 220 (valid name at the date of Opinion 1201 of the type species of Homoroselaps Jan 1858) (Reptilia). Opinion 1201  

lacteus Örley 1885 [originally in Lumbricus terrestris], Ertekezések a Természettudományok Köreböl, 15: 21 (specific name of the type species of Octolasion Örley 1885) (Oligochaeta). Opinion 1403

lacteus Froggatt 1898 [originally in Termes], Proceedings of the Linnean Society of New South Wales, 22: 721 (Insecta, Isoptera). Opinion 1781 

lactiflorea Johnston 1828 [originally in Planaria], Zoological Journal, 3: 489 (specific name of the type species of Amphiporus Ehrenberg 1831) (Nemertea). Opinion 1675

lactis Froggatt 1897 [originally in Termes], Agricultural Gazette of New South Wales, 8: plate facing p. 297 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Insecta, Isoptera). Opinion 1781  

Lactura Walker 1854, List of the specimens of lepidopterous insects in the collection of the British Museum, part 2, p. 485 (gender: feminine) (type species, by monotypy: Lactura dives Walker 1854) (Insecta, Lepidoptera). Opinion 1927

lacunatus Buckman 1844 [originally in Ammonites], in Murchison, Geol. Cheltenham (ed. 2): 105 (specific name of the type species of Angulaticeras Quenstedt 1883) (Cephalopoda). Opinion 324  

lacunosa Linnaeus 1758 [originally in Anomia], Systema Naturae, Ed. 10, vol. 1, p. 702 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 925  

lacustris Pilsbry 1891 [originally in Amnicola], Nautilus, 5: iii of Index (an incorrect subsequent spelling or a junior objective synonym of Amnicola lustrica Pilsbry 1890). Opinion 1108

lacustris, Caligus, Steenstrup & Lütken 1861, Skr. K. Danske Vidensk. Selsk., (5)5: 15 (Crustacea, Copepoda). Opinion 943  

lacustris Linnaeus 1758 [originally in Cimex], Systema Naturae, Ed. 10, vol. 1, p. 450 (specific name of the type species of Gerris Fabricius 1794) (Insecta, Hemiptera). Opinion 962

lacustris Linnaeus 1758 [originally in Patella], Systema Naturae, Ed. 10, vol. 1, p. 783, as interpreted by Müller 1774 (Verm. terrestr. fluviat. Hist., 2: 199, 200) (specific name of the type species of Acroloxus Beck 1837) (Gastropoda). Opinion 363

lacustris Müller 1774 [originally in Tellina], Verm. terrestr. fluviat. Hist., 2: 204 (Bivalvia). Opinion 336  

Laeochochlis Dunker & Metzger 1874, Jahrbücher der Deutschen Malakozoologischen Gesellschaft, 1(2): 146, ruled under the plenary power to be an incorrect original spelling of Laeocochlis Dunker & Metzger 1874 (Gastropoda). Opinion 1700 

Laeocochlis Dunker & Metzger 1874, Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, 6(1): 7 (gender: feminine) (type species, by monotypy: Laiochochlis [sic] pommeraniae Dunker & Metzger 1874, a junior subjective synonym of Cerithium sinistratum Nyst 1835) (Gastropoda). Opinion 1700 

laetus Le Conte 1858 [originally in Schizopus], Proceedings of the Academy of Natural Sciences of Philadelphia, 1858: 70 (specific name of the type species of Schizopus Le Conte 1858) (Insecta, Coleoptera). Opinion 1727

laevigata Lamarck 1822 [originally in Ammonites], Hist. nat. Anim. sans Vertèbr., 7: 637 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 685  

laevigata Bruguière 1792 [originally in Camerina], Ency. méth., Vers 1(2): 399 (specific name of the type species of Nummulites Lamarck 1801) (Rhizopoda). Direction 1

laevigata Milne Edwards & Lucas [1844] [originally in Pinnotherelia], in d’Orbigny, Voy. Amér. mérid., 6 (Crust.): 25 (specific name of the type species of Pinnotherelia Milne Edwards & Lucas [1844]) (Crustacea, Decapoda). Direction 36

laevigatum M’Coy 1844 [originally in Cycloceras], A synopsis of the characters of the Carboniferous Limestone fossils of Ireland, p. 10, as defined by the neotype (specimen no. GSI:F03400 in the Geological Survey of Ireland) designated under the plenary power (specific name of the type species of Cycloceras M’Coy 1844) (Cephalopoda, Nautiloidea). Opinion 1720  

laevigatum Fabricius 1781 [originally in Opatrum], Species Insectorum, 1: 90 (valid name at the date of Opinion 1039 of the type species of Alphitobius Stephens 1829) (Insecta, Coleoptera). Opinion 1039 

laevigatus Sowerby 1827 [originally in Ammonites], Min. Conch., 6: 135 (conserved under the plenary power) (Cephalopoda). Opinion 685

laevigatus Sowerby 1827 [originally in Ammonites], Min. Conch., 6: 93 (conserved under the plenary power) (Cephalopoda). Opinion 685

laevigatus Linnaeus 1767 [originally in Tenebrio] (Coleoptera). ICZN 2021: Opinion 2474

laevis Vanuxem 1842 [originally in Atrypa], Natural History of New York, p. 120 (specific name of the type species of Meristella Hall 1859) (Brachiopoda). Opinion 1899  

laevis Linnaeus 1767 [originally in Doris], Systema Naturae, Ed. 12, vol. 1, part 2, p. 1083 (valid name at the date of Opinion 812 of the type species of Cadlina Bergh 1878) (Gastropoda). Opinion 812  

laevis Bell 1845 [originally in Pagurus], Hist. Brit. stalk-eyed Crust. (4): 184 (specific name of the type species of Anapagurus Henderson 1886) (Crustacea, Decapoda). Opinion 712  

laevis Sowerby 1813 [originally in Pentamerus], Min. Conch., 1: 76* (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 297 

laevis Alder 1838 [originally in Planorbis], Trans. nat. Hist. Soc. Northumb., 2: 337 (Gastropoda). Opinion 336

laevis Pennant 1777 [originally in Turbo], British zoology, Ed. 4, vol. 4, p. 130 (octavo edition) (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Gastropoda). Opinion 1739

laeviventris Wiegmann 1834 [originally in Anolis], Herpet. mex.: 47 (Reptilia). Opinion 637  

LAGANIDAE (correction of ‘Les Laganes’) Desor 1858, Syn. Echin. foss.: 216, 217 (type genus: Laganum Link 1807) (Echinoidea). Opinion 608

Laganum Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 103 (included in a work rejected for nomenclatural purposes). Opinion 592

Laganum Link 1807, Beschr. Nat.-Samml. Univ. Rostock: 161 (gender: neuter) (type species, by absolute tautonymy: Echinodiscus laganum Leske 1778, Addit. J.T. Klein nat. Disp. Echin.: 204) (Echinoidea). Opinion 608

laganum Leske 1778 [originally in Echinodiscus], Addit. J.T. Klein nat. Disp. Echin.: 204 (specific name of the type species of Laganum Link 1807) (Echinoidea). Opinion 608 

Lagenicollis Sahlberg 1903 (Coleoptera). ICZN 2016: Opinion 2377

Lagidium Malaise 1933, Entomol. Tidskr., 54: 55 (a junior homonym of Lagidium Meyen 1833). Direction 24

Lagidium Meyen 1833, Nova Acta Acad. Caes. Leop. Carol., 16(2): 576 (gender: neuter) (type species, by monotypy: Lagidium peruanum Meyen 1833, Nova. Acta Acad. Caes. Leop. Carol., 16(2): 578) (Mammalia). Opinion 110

lagocephalus Pallas 1770 [originally in Gobius], Spicilegia Zoologica quibus novae imprimis et obscurae animalium species iconibus, descriptionibus atque commentaries ilustrantur, vol. 1, fasc. 8. Gottl. August. Lange, Berolini, p. 14, as designated by the neotype (Forschungsinstitut und Naturmuseum Senckenberg, Frankfurt am Main, Germany, SMF 28571) with type locality Ravine St. Gilles on Réunion Island (Osteichthyes). Opinion 2239   

Lagochilos Holmberg 1918, Physis (Buenos Aires), 4: 2 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069 

Lagomeryx Roger 1904, Bericht des Naturwissenschaftlichen Vereins für Schwaben und Neuburg (a.V.) Augsburg, 36: 18 (gender: masculine) (type species, by designation under the plenary power: Lagomeryx ruetimeyeri Thenius 1948) (Mammalia, Artiodactyla). Opinion 1790

lagopus Linnaeus 1758 [originally in Canis], Systema Naturae, Ed. 10, vol. 1, p. 40 (specific name of the type species of Alopex Kaup 1829) (Mammalia). Opinion 384  

lagura Linnaeus 1758 [originally in Scolopendra], Systema Naturae, Ed. 10, vol. 1, p. 637 (specific name of the type species of Polyxenus Latreille [1802]) (Diplopoda). Opinion 905 

Laiochochlis Dunker & Metzger 1874, Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, 6(1): 7, ruled under the plenary power to be an incorrect original spelling of Laeocochlis Dunker & Metzger 1874 (Gastropoda). Opinion 1700 

Laiocochlis Dunker & Metzger 1874, Jahrbücher der Deutschen Malakozoologischen Gesellschaft, 1(2): pl. 7, fig. 3, ruled under the plenary power to be an incorrect original spelling of Laeocochlis Dunker & Metzger 1874 (Gastropoda). Opinion 1700 

lalandeanus d’Orbigny 1848 [originally in Ammonites], Pal. franç., Terr. jurass., 1: 477, pl. 175 (specific name of the type species of Pachyceras Bayle 1878) (Cephalopoda). Opinion 437 

lalandei Stimpson 1860 [originally in Palinurus], Proc. Acad. nat. Sci. Philadelphia, 1860: 24 (an incorrect subsequent spelling for lalandii Milne Edwards 1837 [originally in Palinurus]). Opinion 612

Lalandeites Breistroffer 1947, P.V. mens. Soc. Sci. Dauphiné, 26(195) (pages not numbered) (a junior objective synonym of Pachyceras Bayle 1878). Opinion 437

lalandii Milne Edwards 1837 [originally in Palinurus], in Roret’s Suites à Buffon, Hist. nat. Crust., 2: 293 (specific name of the type species of Jasus Parker 1883) (Crustacea, Decapoda). Opinion 612  

lamarckii Férussac 1821[originally in Helix] (Gastropoda). ICZN 2023: Opinion 2492

lamarckii Parkinson 1819 [originally in Inoceramus], Trans. geol. Soc. London, 5(1): 55 (Bivalvia). Opinion 473

lamberti Sowerby 1819 [originally in Ammonites], Min. Conch., 3: 73, pl. 242, figs. 1-3 (specific name of the type species of Lamberticeras Buckman 1920) (Cephalopoda). Opinion 324  

Lamberticeras Buckman 1920, Type Ammonites, 3: 14, pl. 154 (gender: neuter) (type species, by original designation: Ammonites lamberti Sowerby 1819, Min. Conch., 3: 73, pl. 242, figs. 1-3) (Cephalopoda). Opinion 324

Lamberticeras Kilian 1910, in Roemer, Lethaea geognostica, 3 (No. 1) (Lief. 2): 194 (a nomen nudum). Opinion 324 

lambriformis Milne Edwards 1873 [originally in Merocryptus], J. Mus. Godeffroy, 1 (No. 4): 85 (specific name of the type species of Merocryptus Milne Edwards 1873) (Crustacea, Decapoda). Direction 36 

Lambrus Leach 1815, Trans. linn. Soc. London, 11: 310 (a junior objective synonym of Parthenope Weber 1795). Opinion 696

lamellata Jeffreys 1830 [originally in Helix], Trans. linn. Soc. London, 16: 333 (Gastropoda). Opinion 336

lamellatum Bertrand 1763 [originally in Xylosteon], Dict. Univ. Foss. Propres Foss. Accid., 1: 64 (included in a work rejected for nomenclatural purposes). Opinion 592

lamelligera Stimpson 1858 [originally in Onychomorpha], Proc. Acad. nat. Sci. Philadelphia, 1858: 162 (specific name of the type species of Onychomorpha Stimpson 1858) (Crustacea, Decapoda). Direction 36 

lamia Rafinesque 1810 [originally in Carcharias], Indice Ittiol. Sicilia: 44 (a junior objective synonym of carcharias Linnaeus 1758 [originally in Squalus]). Opinion 723

lamia Meigen 1838 [originally in Roeselia], Systematische Beschreibung der bekannten europäischen zweiflügeligen Insekten, vol. 7, p. 254, as defined by the neotype designated by O’Hara 1985, Bulletin of Zoological Nomenclature, 42: 95 (specific name of the type species of Actia Robineau-Desvoidy 1830) (Insecta, Diptera). Opinion 1432

laminatus Montagu 1803 [originally in Turbo], Test. brit., 2: 359 (Gastropoda). Opinion 336  

laminosa Lamarck 1818 [originally in Phyllodoce], Histoire naturelle des animaux sans vertèbres, vol. 5, p. 316 (specific name of the type species of Phyllodoce Lamarck 1818) (Polychaeta). Opinion 1692  

Lampra Dejean 1833, Catalogue des coléoptères de la collection de M. le Comte Dejean, Ed. 2, part 1, p. 78 (a junior homonym of Lampra Hübner 1821) (Insecta, Coleoptera). Opinion 1825  

Lamprocabera Inoue 1958, Tinea, 4: 253 (gender: feminine) (type species, by designation under the plenary power: Bapta candidaria Leech 1897, Ann. Mag. nat. Hist., (6)19: 198) (Insecta, Lepidoptera). Opinion 1305  

Lamprocoris Stål 1865, Hemiptera Africana. Vol. 1. iv, Norstedtiana, Holmiae, p. 22 (gender: masculine), type species by subsequent monotypy by Stål (1866) Scutellera lateralis Guérin-Méneville 1838 (Insecta, Heteroptera). Opinion 2290 

Lampyris Geoffroy 1762, Hist. abr. Ins. Env. Paris: 165 (gender: feminine) (type species, by designation under the plenary power: Cantharis noctiluca Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 400) (Insecta, Coleoptera). Opinion 1273 

lanata Lamarck 1801 [originally in Arctopsis], Syst. Anim. sans Vertèbr.: 155 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 708  

lanatus Linnaeus 1767 [originally in Cancer], Systema Naturae, Ed. 12, vol. 1, part 2, p. 1044 (Crustacea, Decapoda). Opinion 688  

lancearius Simon 1889 [originally in Exechocentrus] (Arachnida). ICZN 2014: Opinion 2338

lanceocaudata Bate 1888 [originally in Systellaspis], Rep. Voy. ‘Challenger’ (Zool.), 24: 758 (specific name of the type species of Systellaspis Bate 1888) (Crustacea, Decapoda). Opinion 470  

lanceolata Rudolphi 1803 [originally in Fasciola], Archiv Zool. (Wiedemann), 3(2): 24 (a junior primary homonym of lanceolata Schrank 1790 [originally in Fasciola]). Direction 76

lanceolatus Schlotheim 1813 [originally in Belemnites], Leonhard’s Tasch. Min., 7: 111 (specific name of the type species of Belemnella Nowak 1913) (Cephalopoda). Opinion 1328

lanceolatus Nicholson 1869 [originally in Trigonograpsus (sic)], Ann. Mag. nat. Hist., (4)4: 231 (specific name of the type species of Trigonograptus Nicholson 1869) (Graptolithina). Opinion 650 

lancifer Harris [1780] [originally in Musca], An exposition of English insects, part 4, p. 126, as defined by the neotype (the male specimen labelled ‘England, Surrey: Bookham Common, Broadway North, 25.x.1969, A.C. & B. Pont’ in the Natural History Museum, London) designated under the plenary power (specific name of the type species of Hydrophoria Robineau-Desvoidy 1830) (Insecta, Diptera). Opinion 1827

lancifer Oken 1816 [originally in Trigonocephalus], Lehrb. Naturgesch., 3: 270 (included in a work rejected for nomenclatural purposes). Opinion 651 

Langaha Bonnaterre 1790, Ophiologie, in: Tableau Encyclopédique et Méthodique des Trois Règnes de la Nature, p. 71 (gender: feminine) (type species, by monotypy: Langaha madagascariensis Bonnaterre 1790) (Reptilia). Opinion 1463 

laniaria Owen 1859 [originally in Cynochampsa], Quart. J. geol. Soc. London (1), Proc. geol. Soc. London, 16: 61 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1324

lanio Linnaeus 1761 [originally in Cicada], Fauna svec. (ed. 2): 892 (specific name of the type species of Iassus Fabricius 1803) (Insecta, Hemiptera). Opinion 612

Lanius Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 93 (gender: masculine) (type species, by designation by Swainson 1824 (Zool. J., 1: 294): Lanius excubitor Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 94) (Aves). Opinion 67 

lanius Linnaeus 1758 [originally in Scarabaeus], Systema Naturae, Ed. 10, vol. 1, p. 352 (specific name of the type species of Gymnetis MacLeay 1819) (Insecta, Coleoptera). Opinion 806

lantzi Wolterstorff 1914 [originally in Triton vulgaris subsp. typica forma], Abh. Ber. Mus. Magdeburg, 2(4): 375 (conserved under the plenary power) (Amphibia). Opinion 642

Laomedea Lamouroux 1812, Nouv. Bull. Sci. Soc. philom. Paris, 3: 184 (gender: feminine) (type species, by designation under the plenary power: Laomedea flexuosa Alder 1857, Trans. Tyneside Nat. Fld. Cl., 3: 122) (Hydrozoa). Opinion 1345

lapathi Linnaeus 1758 [originally in Curculio], Systema Naturae, Ed. 10, vol. 1, p. 379 (specific name of the type species of Cryptorhynchus Illiger 1807) (Insecta, Coleoptera). Opinion 808

lapicida Linnaeus 1758 [originally in Helix], Systema Naturae, Ed. 10, vol. 1, p. 768 (Gastropoda). Opinion 336 

lapidei Bertrand 1763 [originally in Pori], Dict. Univ. Foss. Propres Foss. Accid., 1: 14 (included in a work rejected for nomenclatural purposes). Opinion 592

lapideus Bertrand 1763 [originally in Mytilus], Dict. Univ. Foss. Propres Foss. Accid., 2: 61 (included in a work rejected for nomenclatural purposes). Opinion 592  

lapideus Bertrand 1763 [originally in Unguis], Dict. Univ. Foss. Propres Foss. Accid., 2: 80 (included in a work rejected for nomenclatural purposes). Opinion 592  

lapidum d’Orbigny 1835 [originally in Paludina], Magasin de Zoologie, Classe 5 (Mollusques), 5(62): 29, as defined by the lectotype (specimen no. 1854.12.4.339 in the d’Orbigny collection in the Natural History Museum, London) designated by Pons da Silva & Davis 1983, Proceedings of the Academy of Natural Sciences of Philadelphia, 135: 143 (specific name of the type species of Potamolithus Pilsbry & Rush 1896) (Gastropoda). Opinion 1779 

Laplisia Lamarck 1801, Système des animaux sans vertèbres, p. 62, ruled under the plenary power to be an incorrect subsequent spelling of Laplysia Linnaeus 1767 (emended to Aplysia in Opinion 200) (Gastropoda). Opinion 1471 

Laplysia Linnaeus 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1082 (an incorrect original spelling for Aplysia Linnaeus 1767). Opinion 200

lapponica Linnaeus 1758 [originally in Blatta], Systema Naturae, Ed. 10, vol. 1, p. 425 (specific name of the type species of Ectobius Stephens 1835) (Insecta, Orthoptera). Direction 64

Laqueus Dall 1870, Amer. J. Conch., 6: 123 (gender: masculine) (type species, by original designation: Terebratula californiana (Koch MS) Küster [1844], in Martini, Syst. Conch. Cabinet, 7(1): pl. 2b; id. [1848], ibid., 7: 38) (Brachiopoda). Opinion 449

laqueus Quenstedt 1856 [originally in Ammonites], Der Jura, p. 43 (Ammonoidea). Opinion 2123

lar Owen 1839 [originally in Crangon], Zool. Beechey’s Voy. ‘Blossom’: 88 (specific name of the type species of Argis Krøyer 1842) (Crustacea, Decapoda). Opinion 470

lar Linnaeus 1771 [originally in Homo], Mantissa Plant. (2): 521 (specific name of the type species of Hylobates Illiger 1811) (Mammalia). Direction 22, Opinion 1219

Lara Le Conte 1852, Proceedings of the Academy of Natural Sciences of Philadelphia, 6: 42 (gender: feminine) (type species, by monotypy: Lara avara Le Conte 1852) (Insecta, Coleoptera). Opinion 1515

LARAINI Le Conte 1861, Smithsonian Miscellaneous Collections, 3: 116 (type genus: Lara Le Conte 1852), spelling emended from LARINI by the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of the generic name Lara Le Conte 1852 is LARA- (Insecta, Coleoptera). Opinion 1515

Laria Schrank 1802, Fauna boica, 2(2): 150 (a junior homonym of Laria Scopoli 1763). Opinion 1283

Laria Scopoli 1763, Entomologia Carniolica, p. 21 (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 1809 

laricis Vallot 1836 [originally in Adelges], C.R. Acad. Sci., Paris, 3: 72 (specific name of the type species of Adelges Vallot 1836) (Insecta, Hemiptera). Opinion 731

laricis Nicolet [1842] [originally in Anurophorus], Neue Denkschr. allgem. schweiz. Ges., 6: 53 (specific name of the type species of Anurophorus Nicolet [1842]) (Insecta, Collembola). Opinion 439

LARIDAE Rafinesque-Schmaltz 1815, Analyse de la Nature ou Tableau de l’Univers et des Corps organisés, p. 72 (type genus: Larus Linnaeus 1758) (Aves). Opinion 1515

LARIIDAE (as LARIAE) Newman 1832, Sphinx vespiformis: an essay: table facing pp. 31, 40, 44 (type genus: Laria Schrank 1802) (invalid because the name of the type genus is a junior homonym). Opinion 1283  

LARINI Le Conte 1861, Smithsonian Miscellaneous Collections, 3: 116, spelling emended to LARAINI following the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of the generic name Lara Le Conte 1852 is LARA- (a junior homonym of LARIDAE Rafinesque-Schmaltz 1815) (Insecta, Coleoptera). Opinion 1515

Larius Boddaert 1783, Tabl. Pl. enlum. Hist. nat. Daubenton: 42 (ref. pl. 683) (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 938  

Larnaudia Bott 1966, Senckenbergiana biologica, 47(6): 490 (gender: feminine) (type species, confirmed by the Commission to be by monotypy: Thelphusa larnaudii Milne Edwards 1869) (Crustacea, Decapoda). Opinion 1640

larnaudii Milne Edwards 1869 [originally in Thelphusa], Nouvelles archives du Muséum d’Histoire Naturelle de Paris, 5: 166 (specific name of the type species of Larnaudia Bott 1966) (Crustacea, Decapoda). Opinion 1640

Larus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 136 (gender: masculine) (type species, by subsequent designation by Selby 1840, Tracts of Zoology (1788-1867), 11: 48: Larus marinus Linnaeus 1758) (Aves). Opinion 1515

larvarum De Geer 1776 [originally in Musca major] (Arthropoda). ICZN 2014: Opinion 2333

larvarum De Geer 1776 [originally in Musca minor] (Arthropoda). ICZN 2014: Opinion 2333

larvatus Lichtenstein 1823 [originally in Oriolus], Verzeichniss der Doubletten des Zoologischen Museum der Königl. Universität zu Berlin ..., p. 20 (Aves). Opinion 1859  

Lasioptera Meigen 1818, Syst. Beschr. zweifl. Ins., 1: 88 (gender: feminine) (type species, as ruled under the plenary power, by designation by Karsch 1878 (Revision der Gallmücken: 14): Lasioptera picta Meigen 1818, Syst. Beschr. zweifl. Ins., 1: 89) (Insecta, Diptera). Opinion 929 

Lasiopus Geoffroy Saint-Hilaire 1839, Mag. Zool., (2)1: 4 (a junior homonym of Lasiopus Schoenherr 1823, and a junior objective synonym of Ichneumia Geoffroy Saint-Hilaire 1837). Opinion 384 

Lasiopus Gervais [1835], Resumé Leçons Mammalogie: 37 (a junior homonym of Lasiopus Schoenherr 1823). Opinion 384

lasiotis Thomas 1880 [originally in Myoxus], Proceedings of the Zoological Society of London, 1880(1): 40 (a junior objective synonym of Myoxus elegans Temminck 1844 and of Myoxus japonicus Schinz 1845) (Mammalia). Opinion 1978  

Lasius Fabricius [1804-1805], Syst. Piezat.: 415 (conserved under the plenary power) (gender: masculine) (type species, by designation under the plenary power: Formica nigra Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 580) (Insecta, Hymenoptera). Opinion 151

Lasius Panzer [1801-1802], Fauna Ins. germ. (86): tab. 16 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Direction 4

lata Traquair in Walther 1903 [originally in Dilophaspis], Neues Jahrbuch für Mineralogie, Geologie und Paläontologie, 17: 30-31 (specific name of the type species of Dilophaspis Traquair in Walther 1903) (Malacostraca). Opinion 2109

latastei Bosca 1878 [originally in Vipera] (Reptilia). ICZN 2016: Opinion 2381

latasti Bosca 1878 [originally in Vipera] (Reptilia). ICZN 2016: Opinion 2381

lateralis Linnaeus 1758 [originally in Musca], Systema Naturae, Ed. 10, vol. 1, p. 597 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 884  

lateralis Guérin-Méneville 1838 [originally in Scutellera], Voyage autour du Monde, exécuté par ordre du Roi, sur la Corvette de sa Majesté, la Coquille, pendant 1822–1825, . . . I (Zoologie), 2(2) (Crustacés et Insectes). Paris. pp. 159, 160, specific name of the type species of Lamprocoris Stål 1865 (Insecta, Heteroptera). Opinion 2290  

lateritius Nordmann 1837 [originally in Platycnemus], Symbolae ad monographiam staphylinorum, p. 135 (specific name of the type species of Platycnemus Nordmann 1837) (Insecta, Coleoptera). Opinion 1851 

Laternaria Linnaeus 1764, Mus. Lud. Ulr.: 152 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 322  

laternaria Linnaeus 1758 [originally in Cicada], Systema Naturae, Ed. 10, vol. 1, p. 434 (specific name of the type species of Fulgora Linnaeus 1767) (Insecta, Hemiptera). Opinion 322

lathami Temminck 1807 [originally in Psittacus], Catalogue systématique du cabinet d’ornithologie et de la collection de quadrumanes de Crd. Jb. Temminck, p. 21 (Aves, Psittaciformes). Opinion 1833 

LATHRIDIEN Erichson 1842, Archiv für Naturgeschichte, 8: 122, an incorrect original spelling for LATRIDIIDAE Erichson 1842 (Insecta, Coleoptera). Opinion 2288  

lathyri Hübner [1819] [originally in Leptosia], Verz. bekannt. Schmett.: 95 (a junior objective synonym of sinapis Linnaeus 1758 [originally in Papilio]). Opinion 584

lathyri Hübner [1823] [originally in Papilio], Samml. europ. Schmett.: pl. Pap. 160, figs. 797, 798 (not a new name but a later, though different, usage of Leptosia lathyri Hübner [1819]). Opinion 584  

lathyri Duponchel 1834 [originally in Pieris], in Godart, Hist. nat. Lépid. France, Suppl. 1 (Diurnes): 274, pl. 43, figs. 4, 5 (not a new name but a later, though different, usage of Leptosia lathyri Hübner [1819], based on a misidentification of that species). Opinion 584

laticarinata Hay 1916 [originally in Chelydra], Annual Report of the Florida State Geological Survey, vol. 8, p. 72, ruled under the plenary power not to be given priority over the specific name of Chelydra osceola Stejneger 1918 whenever the two names are considered to be synonyms (Reptilia, Testudines). Opinion 1377

laticauda Thorell 1876 [originally in Rhopalurus], Annals and Magazine of Natural History, (4)17: 9 (specific name of the type species of Rhopalurus Thorell 1876) (Arachnida). Opinion 2096  

Laticomus Pic 1894 (Coleoptera). ICZN 2016: Opinion 2377

latifrons Hendel 1915 [originally in Chaetodacus], Annales Historico-Naturales Musei Nationalis Hungarici, 13: 425, as defined by the male lectotype from Tainan (Taiwan) (in the Natural History Museum, London, and denoted by a standard purple-edged lectotype label) designated by White & Liquido 1995, Bulletin of Zoological Nomenclature, 52: 251, ruled under the plenary power to be given precedence over the specific name of Dacus parvulus Hendel 1912 whenever the two names are considered to be synonyms (Insecta, Diptera). Opinion 1864

latifrons Meigen 1826 [originally in Lonchaea], Syst. Beschr. zweifl. Ins., 5: 308 (specific name of the type species of Dasiops Rondani 1856) (Insecta, Diptera). Opinion 652  

latifrons Fallén 1808 [originally in Lyda], Kungliga Svenska Vetenskapsakademiens Handlingar, 29: 226, the following specimen is designated under the plenary power to be the neotype: the female specimen, lectotype of Lydia maculosa Zaddach 1866 designated by Beneš 1976, Acta Entomologica Bohemoslovaca, 73: 162, labelled ‘Type’ [red label], ‘steckte mit maculosa’, ‘maculosa’, ‘Zool. Mus. Berlin’; ‘Lectotype’ [red label] and ‘maculosa Zd. Beneš, 1971’, ‘Pamphilius latifrons Fall. det. Beneš 71,’ ‘Pamphilius latifrons (Fallén) Det. A. Shinohara, 1995’, held in the Museum für Naturkunde, Berlin (Insecta, Hymenoptera). Opinion 2101

latifrons Harrison 1915 [originally in Machaerilaemus], Parasitology, 7: 390 (specific name of the type species of Machaerilaemus Harrison 1915) (Insecta, Mallophaga). Opinion 343 

latina Marincovich 1973 [originally in Eatoniella], Natural History Museum Los Angeles County Science Bulletin, 16: 26 replacement name for Paludina nigra d’Orbigny 1840 (Gastropoda) Opinion 2202

Latiorina Tutt 1909, Entomol. Rec., 21: 108 (a junior objective synonym of Agriades Hübner [1819]). Opinion 270  

latipes Meigen 1804 [originally in Atractocera], Klassifikazion und Beschreibung der europäischen zweiflügeligen Insekten. (Diptera Linn.), vol. 1, part 1, p. 96, ruled by the Commission to be defined by the holotype recognised by Crosskey & Davies 1972, Entomologist’s Gazette, 23(4): 251-254 (Insecta, Diptera). Opinion 1416

latipes Pennant 1777 [originally in Cancer], Brit. Zool. (ed. 4), 4: 3 (specific name of the type species of Portumnus [Leach 1814]) (Crustacea, Decapoda). Direction 84

latipes Westwood 1837 [originally in Cydnus], A catalogue of Hemiptera in the collection of the Rev. F.W. Hope with short Latin descriptions of new species, part 1, p. 18, as defined by the neotype designated by Lis 1990, Annals of the Upper Silesian Museum - Entomology, 1: 169 (specific name of the type species of Scoparipes Signoret 1880) (Insecta, Heteroptera). Opinion 1707

latipinna Lesueur 1821 [originally in Mollienesia], J. Acad. nat. Sci. Philadelphia, 2(1): 3, 4 (a name to be given precedence, by direction under the plenary power, over multilineata Lesueur 1821 [originally in Poecilia]) (Osteichthyes). Opinion 569  

latirostris Carnaby 1948 [originally in Calyptorhynchus] (Aves). ICZN 2016: Opinion 2390

latiscapus Girault 1911 [originally in Aenasioidea], Canadian Entomologist, 43(5): 173 (specific name of the type species of Aenasioidea Girault 1911) (Insecta, Hymenoptera). Opinion 1898

latissima Brocchi 1814 [originally in Ostrea], Conchiologia fossile subapennina con osservazioni geologiche sugli Appenini et sul suolo adiacente, vol. 2, p. 101(specific name of the type species of Gigantopecten Rovereto 1899, the replacement name of Macrochlamys Sacco 1897) (Bivalvia) Opinion 2203  

latisulcatus Quenstedt 1883 [originally in Ammonites], Die Ammoniten des Schwäbischen Jura, p. 85 (specific name of the type species of Epammonites Spath 1922) (Ammonoidea). Opinion 2123

Latoclythus Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 103 (included in a work rejected for nomenclatural purposes). Opinion 592

Latona Schumacher 1817, Essai d’un nouveau système des vers testacés (Copenhague): 156 (gender: feminine) (type species, by designation under the plenary power: Donax cuneatus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 683) (Bivalvia). Opinion 1057

latreillei Audouin [1826] [originally in Tylos], in Savigny, Descr. Egypte, 1(4) (Expl. somm. Pl. Crust.): 97 (specific name of the type species of Tylos (Latreille MS) Audouin [1826]) (Crustacea, Isopoda). Opinion 369

Latreillia Robineau-Desvoidy 1830, Mém. Acad. roy. Sci. Inst. France, 2: 104 (a junior homonym of Latreillia Roux 1830). Opinion 712  

Latreillia Roux 1830, Crust. Médit. (5): pl. 22 (gender: feminine) (type species, by monotypy: Latreillia elegans Roux 1830, Crust. Médit. (5): pl. 22) (Crustacea, Decapoda). Opinion 712  

LATREILLIDEA Stimpson 1858, Proc. Acad. nat. Sci. Philadelphia, 1858: 226 (type genus: Latreillia Roux 1830) (an incorrect original spelling for LATREILLIIDAE Stimpson 1858). Opinion 712 

LATREILLIIDAE (correction of LATREILLIDEA) Stimpson 1858, Proc. Acad. nat. Sci. Philadelphia, 1858: 226 (type genus: Latreillia Roux 1830) (Crustacea, Decapoda). Opinion 712

Latreutes Stimpson 1860, Proc. Acad. nat. Sci. Philadelphia, 1860: 27 (gender: masculine) (type species, by designation by Kingsley 1880 (Proc. Acad. nat. Sci. Philadelphia, 1879: 413): Hippolyte ensiferus Milne Edwards 1837, in Roret’s Suites à Buffon, Hist. nat. Crust., 2: 374, valid name: Palaemon fucorum Fabricius 1798) (Crustacea, Decapoda). Opinion 470

LATRIDIIDAE Erichson 1842, Archiv für Naturgeschichte, 8: 122, type genus Latridius Herbst 1793, uled under the plenary power (with other family-group names based on Latridius) to be given precedence over CORTICARIIDAE Curtis 1829 and other family-group names based on Corticaria Marsham 1802 whenever their ff type genera are placed in the same family-group taxon (Insecta, Coleoptera). Opinion 2288

Latridius Herbst 1793, Natursystem aller bekannten in- und ausländischen Insekten, als eine Fortsetzung der von Büffonschen Naturgeschichte. Der Käfer. Fünfter Theil. Mit 16 illuminirten Kupfertafeln. J-N. Joachim Pauli, Berlin, p. 2 (gender: masculine), type species by subsequent designation by Latreille (1810) Latridius porcatus Herbst 1793 (Insecta, Coleoptera). Opinion 2288 

Latro Billberg 1820, Enum. Ins. Mus. Billberg: 134 (a junior objective synonym of Pagurus Fabricius 1775). Opinion 472

Latrodectes 1869 [originally in Canestrini & Pavesi], Atti Soc. Ital. Sci. nat., 11 (No. 3): 45 (an unjustified emendation of Latrodectus Walckenaer 1805). Direction 66

Latrodectus Walckenaer 1805, Tabl. Aran.: 81 (gender: masculine) (type species, by designation by Latreille 1810 (Consid. gén. Anim. Crust. Arach. Ins.: 424, 125): Aranea tredecimguttata Rossi 1790, Fauna Etrusca, 2: 136) (Arachnida). Opinion 104, Direction 66

latus Hansen 1885 [originally in Garypus] (Pseudoscorpiones). ICZN 2020: Opinion 2462

latus Nitzsch 1818 [originally in Trichodectes], Mag. Entomol. (Germar), 3: 296 (a junior objective synonym of canis de Geer 1778 [originally in Ricinus]). Opinion 627

Lauria Gray 1840, in Turton, Manual land & fresh-water Shells brit. Islands (ed. 2): 193 (gender: feminine) (type species, by designation by Herrmannsen 1847 (Indicis Gen. Malacoz. Primordia, 1: 578): Pupa umbilicata Draparnaud [1801], Tabl. Moll. terrestr. fluviat. France: 58, valid name: Turbo cylindraceus da Costa 1778) (Gastropoda). Opinion 335  

LAURIEAE Thiele 1931, Handb. syst. Weichtierk., 2: 509 (published as a name for a taxon below subfamily rank) (type genus: Lauria Gray 1840) (Gastropoda). Direction 27

lavaretus Linnaeus 1758 [originally in Salmo], Systema Naturae, Ed. 10, vol. 1, p. 310 (specific name of the type species of Coregonus Linnaeus 1758) (Osteichthyes). Direction 57

lavaterae Kittel 1827 [originally in Aphis], Mém. Soc. linn. Paris, 5: 154 (included in a work rejected for nomenclatural purposes). Opinion 1188

laverani Labbé 1894 [originally in Haemamoeba], Arch. Zool. expér. gén., (3)2: 170 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 283  

Laverania Feletti & Grassi 1889 (December), Sui Parasiti della Malaria (a paper also published in January 1890, Riforma medica, 6(11): 63) (conserved under the plenary power) (gender: feminine) (type species, by designation under the plenary power: Haematozoon falciparum Welch 1897, in Loomis, Syst. pract. Med., 1: 36) for use by those who consider that the type species of this genus is generically distinct from that of Plasmodium Marchiafava & Celli 1885 (Sporozoa). Opinion 104, Opinion 283 

Laverania Theobald 1902, J. trop. Med., 5: 183; id., 1903, Monogr. Culic., 3: 181 (a juniorhomonym of Laverania Feletti & Grassi 1889). Direction 76 

lazarus Linnaeus 1758 [originally in Chama], Systema Naturae, Ed. 10, vol. 1, p. 691 (specific name of the type species of Chama Linnaeus 1758) (Bivalvia). Opinion 484