International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS


taxa names:

Mo

mobilispinis Rathbun 1915 [originally in Metapenaeus], Proc. biol. Soc. Washington, 28: 117 (specific name of the type species of Trachypenaeopsis Burkenroad 1934) (Crustacea, Decapoda). Opinion 864  

mocinno de la Llave 1832 [originally in Pharomachrus], Registro trimestre, 1(1): 48 (specific name of the type species of Pharomachrus de la Llave 1832) (Aves). Direction 43

mocoa Brower 1996 [originally in Heliconius melpomene] (Lepidoptera: NYMPHALIDAE): suppression of Heliconius melpomene bellula Brown 1979 not approved. ICZN 2011: Opinion 2267 (Case 3492)

Modelia Gray 1850, Figs. moll. Anim., 4: 87 (gender: feminine) (type species, by monotypy: [Trochus] granosus Martyn 1784, Univ. Conch., 1: fig. 37) (Gastropoda). Opinion 479

modestus Sowerby [1833] [originally in Conus], The conchological illustrations, part 28, Conus, fig. 19 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Gastropoda). Opinion 1699  

Modiola Lamarck 1801, Syst. Anim. sans Vertèbr.: 113 (a junior objective synonym of Modiolus Lamarck 1799). Opinion 

Modioligenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VII (included in a work rejected for nomenclatural purposes). Opinion 427 

Modiolus Lamarck 1799, Mém. Soc. Hist. nat. Paris, 1799: 87 (conserved under the plenary power) (gender: masculine) (type species, by absolute tautonymy: Mytilus modiolus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 706) (Bivalvia). Opinion 

modiolus Linnaeus1758 [originally in Mytilus], Systema Naturae, Ed. 10, vol. 1, p. 706 (specific name of the type species of Modiolus Lamarck 1799) (Bivalvia). Opinion 325

modiolus Bertrand 1763 [originally in Stellarum], Dict. Univ. Foss. Propres Foss. Accid., 1: 62 (included in a work rejected for nomenclatural purposes). Opinion 592  

moebii Ludwig 1883 [originally in Holothuria], Ber. oberhess. Ges. Nat.-u. Heilk.: 246 (Holothuroidea). Opinion 762  

moebii Richters 1880 [originally in Xenophthalmodes], in Moebius, Beitr. Meeresf. Insel Mauritius Seychellen (3) Decap.: 155 (specific name of the type species of Xenophthalmodes Richters 1880) (Crustacea, Decapoda). Direction 36 

moelleri Rauser-Chernoussova 1937 [originally in Schwagerina], Bull. Acad. Sci. URSS (Cl. sci. math. nat.), 1936: 578, 579 (Rhizopoda). Opinion 213 

Moera Michelin 1855, Rev. Mag. Zool., (2)7: 246 (a junior homonym of Moera Hübner [1819]). Opinion 209

Moira Agassiz 1872, Ill. Cat. Mus. Harvard, 3 (No. 7): 146 (gender: feminine) (type species, by designation under the plenary power: Spatangus atropos Lamarck 1816, Hist. nat. Anim. sans Vertèbr., 3: 32) (Echinoidea). Opinion 209 

moitessierianum Paladilhe 1866 [originally in Pisidium], Rev. Mag. Zool., (2)18: 172 (Bivalvia). Opinion 336 

Molanna Curtis 1834, London Edinburgh phil. Mag., (3)4: 214 (gender: feminine) (type species, by monotypy: Molanna angustata Curtis 1834, London Edinburgh phil. Mag., (3)4: 214) (Insecta, Trichoptera). Opinion 586

MOLANNIDAE Wallengren 1891, K. svensk. Vetensk.-Akad. Handl., 24(10): 116 (type genus: Molanna Curtis 1834) (Insecta, Trichoptera). Opinion 586  

Molgula Forbes 1848, in Forbes & Hanley, Hist. brit. Moll., 1: 36 (gender: feminine) (type species, by designation by Hartmeyer 1914 (SitzBer. Ges. naturf.-Freunde Berlin, 1914(1): 5): Molgula oculata Forbes 1848, in Forbes & Hanley, Hist. brit. Moll., 1: 36) (Urochordata). Opinion 94, Direction 80

MOLGULIDAE Lacaze-Duthiers 1877, Arch. Zool. expér. gén., 6: 488 (type genus: Molgula Forbes 1848) (Urochordata). Direction 80  

mollis Marsham 1802 [originally in Carabus], Coleoptera Britannica ..., vol. 2, p. 456, as defined by the lectotype designated by Aukema & Luff 1992, Bulletin of Zoological Nomenclature, 49: 28 (Insecta, Coleoptera). Opinion 1723

mollis Ström 1768 [originally in Carabus], Kongelige Norske Videnskabers Selskabs Skrifter, 4: 330, and all uses of the name prior to the publication of Carabus mollis Marsham 1802 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Coleoptera). Opinion 1723

molochina Berthold 1846 [originally in Psammophis], Mitt. über das Nachr. v. d. G.A. Univ. und die k. Ges. Wiss. zu Göttingen vom Jahre 1846, Zool. Mus. Göttingen: 143, 144 (reprint: 21, 22) (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1211  

moluccanus Gmelin 1788 [originally in Psittacus haematotus (sic) var.], in Linnaeus, Systema Naturae, Ed. 13, vol. 1, part 2, p. 316, a name having precedence over Psittacus haematotus var. novaehollandiae (emendation of novae Hollandia [sic]) Gmelin 1788, through the action of Matthews 1916-1917 (Birds Australia, 6: 9-12) as first reviser (Aves). Direction 82

moluccensis Küster 1838 [originally in Conus], Syst. Conch.-Cabinet von Martini und Chemnitz. Familie der Coneae oder Conidae (ed. 2), 4(2): 121, 181, pl. 23, figs. 4, 5 (Gastropoda). Opinion 1163  

moluccensis Peters & Doria 1878 [originally in Microhyla achatina], Ann. Mus. civ. Stor. nat. G. Doria, 13: 428 (valid name at the date of Opinion 1266 of the type species of Oreophryne Boettger 1895) (Amphibia). Opinion 1266

monacaria Lesson 1830 [originally in Holothuria], Cent. Zool. (13-16): 225 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 914 

Monacha Fitzinger 1833, Beitr. Landesk. Oesterreich Enns, 3: 95 (gender: feminine) (type species, by designation by Gray 1847 (Proc. zool. Soc. London, 15: 173): Helix cartusiana Müller 1774, Verm. terrestr. fluviat. Hist., 2: 15) (Gastropoda). Opinion 431

monacha Linnaeus 1758 [originally in Phalaena], Systema Naturae, Ed. 10, vol. 1, p. 501 (specific name of the type species of Lymantria Hübner [1819]) (Insecta, Lepidoptera). Opinion 1283  

MONACHAINAE / MONACHAINI Wenz 1930 (1904), Fossilium Catalogus, I: Animalia, pars 46(11), p. 3027 (type genus: Monacha Fitzinger 1833), to take the priority of CARTHUSIANINI Kobelt 1904, and to be cited MONACHAINAE / MONACHAINI Wenz 1930 (1904) (Gastropoda). Opinion 2135 

MONACHINAE Wenz 1930, Fossilium Catalogus, I: Animalia, pars 46(11), p. 3027 (an incorrect original spelling of MONACHAINAE Wenz 1930) (Gastropoda). Opinion 2135  

monaconensis Eimer 1881 [originally in Lacerta muralis coerulescens], Arch. Naturgesch., 47(1): 393, tab. 15, fig. 23 (conserved under the plenary power) (Reptilia). Opinion 642

monardae Davis 1911 [originally in Rhopalosiphum], University of Nebraska Studies, 11(3): 288 (Insecta, Sternorrhyncha). Opinion 1818

Monedula Brehm 1828 Isis (Oken), 1828: 1273 (a nomen nudum). Direction 32 

Monedula Brehm 1831, Handb. Naturg. Vögel Deutschl.: 172 (a junior homonym of Monedula Latreille [1802], and a junior objective synonym of Monedula Kaup 1829). Direction 32

Monedula Hasselquist 1762, D.F. Hasselquists ... Reise nach Palästina: 294 (German translation of Hasselquist 1757, Iter Palastinum) (included in a work rejected for nomenclatural purposes). Direction 32  

Monedula Kaup 1829, Skizz. Entwickel.-Gesch. naturl. Syst. europ. Thierwelt: 193. Type species by absolute tautonymy Corvus monedula Kaup 1829, Opinion 48. A junior homonym of Monedula Latreille [1802]. Direction 32 

Monedula Nozeman & Vosmaer 1758, Geslacht. Vogel.: 1, 16 (Dutch translation of Moehring 1752, Avium Genera) (included in a work rejected for nomenclatural purposes). Direction 32

monedula Kaup 1829 [Corvus] (specific name of the  type species by absolute tautotymy of Monedula Kaup 1829) (Opinion 48)

Monietia Diamare 1900, Zbl. Bakt. (Abt. 1), 28: 849 (an incorrect subsequent spelling for Moniezia Blanchard 1891). Direction 76 

Monieza Smith 1908, Med. Bull. Pennsylvania, 20 (No. 12): 264 (an incorrect subsequent spelling for Moniezia Blanchard 1891). Direction 76

Moniezia Blanchard 1891, Mém. Soc. zool. France, 4: 443 (gender: feminine) (type species, by original designation: Taenia expansa Rudolphi 1805, Bemerk. Naturg., 2: 38) (Cestoda). Opinion 77 

moniliferus Germar 1824 [originally in Pachyrhynchus], Ins. Spec. nov.: 336, pl. 1, fig. 2 (specific name of the type species of Pachyrhynchus Germar 1824) (Insecta, Coleoptera). Opinion 928

monitor Linnaeus 1758 [originally in Lacerta], Systema Naturae, Ed. 10, vol. 1, p. 201 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 540 

monoceros Linnaeus 1761 [originally in Attelabus], Fauna Suecica, Ed. 2, p. 185 (specific name of the type species of Notoxus Geoffroy 1762) (Insecta, Coleoptera). Opinion 1754  

monoceros Linnaeus 1758 [originally in Monodon], Systema Naturae, Ed. 10, vol. 1, p. 75 (specific name of the type species of Monodon Linnaeus 1758) (Mammalia). Direction 22 

Monochromatopoda Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 562 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069

monoctenus Kolenati 1856 [originally in Ceratopsyllus], Parasiten der Chiroptern, Brünn ed.: 32 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 843

Monoculus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 634 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 288 

monodi Arcangeli 1934 [originally in Sphaeroma], Bollettino dei Musei di Zoologia e di Anatomia Comparata della R. Università di Torino, 44(3)(48): 149 (senior subjective synonym of Europosphaera (Lekanesphaera) excavatum Verhoeff 1943, the type species of Lekanesphaera Verhoeff 1943) (Isopoda). Opinion 1574

Monodon Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 75 (gender: masculine) (type species, by monotypy: Monodon monoceros Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 75) (Mammalia). Opinion 75 

monodon Fabricius 1798 [originally in Penaeus], Suppl. Entomol. syst.: 408 (specific name of the type species of Penaeus Fabricius 1798) (Crustacea, Decapoda). Direction 15

monodon Weber 1795 [originally in Peneus], Nomencl. entomol. Syst. Fabr.: 94 (a nomen nudum). Direction 15 

Monodontigenus [Renier] [1807], [Tav. serv. Class. Conn. Anim.]: Tav. VIII (included in a work rejected for nomenclatural purposes). Opinion 427

monographus Fabricius 1792 [originally in Bostrichus], Entomol. syst., 1: 365 (specific name of the type species of Xyleborus Eichhoff 1864) (Insecta, Coleoptera). Opinion 848

Monograpsus Geinitz 1852, Verstein. Grauwackenform., 1: 19, 32 (an incorrect original spelling for Monograptus Geinitz 1852). Opinion 198

Monograptus (emendation of Monograpsus) Geinitz 1852, Verstein. Grauwackenform., 1: 19, 32 (conserved under the plenary power) (gender: masculine) (type species, by designation by Bassler 1915 (Bull. U.S. nat. Mus., 92: 822): Lomatoceras priodon Bronn 1834, Lethaea geogn., 1(1): 56) (Graptolithina). Opinion 198 

Monolaophonte Nicholls 1941, Records of the South Australian Museum, 7(1): 104 (gender: feminine), type species by monotypy Laophonte curvata Douwe 1929, with the endorsement that it is not to be given precedence over the name Heterolaophonte Lang 1948 whenever the two names are considered to be synonyms (Crustacea, Copepoda). Opinion 2249  

Mononychus Germar 1824, Insectorum species novae aut minus cognitae, p. 241 (gender: masculine) (type species, by subsequent designation by Schönherr 1826, Curculionidum dispositio methodica, p. 22: Curculio pseudacori Fabricius 1792, a junior subjective synonym of Curculio punctumalbum Herbst 1784) (Insecta, Coleoptera). Opinion 1529

Monoprion Barrande 1850, Grapt. Bohême: 15 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 198

Monops Billberg 1820, Enum. Ins. Mus. Billberg: 132 (a junior objective synonym of Lepidurus Leach 1819). Opinion 502

Monopsyllus Kolenati 1857, Wiener entomol. Monatschrift, 1: 65 (gender: masculine) (type species, by designation under the plenary power: Pulex sciurorum Schrank 1803, Fauna boica, 3(1): 195) (Insecta, Siphonaptera). Opinion 843 

Monsoma MacGillivray 1908, Canadian Entomologist, 40(10): 368 (gender: neuter) (type species, by monotypy and original designation: Poecilostoma inferentia Norton 1868) (Insecta, Hymenoptera). Opinion 1963  

Monstrilla Dana 1849, Conspectus Crustaceorum quae in Orbis Terrarum circumnavigatione ..., pars I and II, p. 53 (gender: feminine) (type species, by monotypy: Monstrilla viridis Dana 1849) (Copepoda). Opinion 1869  

MONSTRILLIDAE Dana 1849, Conspectus Crustaceorum quae in Orbis Terrarum circumnavigatione ..., pars I and II, p. 53 (type genus: Monstrilla Dana 1849) (Copepoda). Opinion 1869 

monstrosa Linnaeus 1758 [originally in Chimaera], Systema Naturae, Ed. 10, vol. 1, p. 236 (specific name of the type species of Chimaera Linnaeus 1758) (Chondrichthyes). Direction 57

monstrosus Drury [1773] [originally in Gryllus], Ill. nat. Hist., 2: , 81 (specific name of the type species of Schizodactylus Brullé 1835) (Insecta, Orthoptera). Direction 5

monstrum Khalfin 1933 [originally in Anathyris] (Branchiopoda). ICZN 2016: Opinion 2378

Montagua Bate 1856, Rep. Brit. Assoc. Adv. Sci., 25(1855): 57 (a junior homonym of Montagua Leach 1814). Opinion 775

Montagua Fleming 1822, Encycl. Brit. (Suppl. ed. 4-6), 5: 575 (a junior homonym of Montagua Leach 1814). Opinion 775

montagui H. Milne Edwards 1830 [originally in Isaea], Annales des Sciences naturelles, Paris, 20: 380 (specific name of the type species of Isaea H. Milne Edwards 1830) (Amphipoda). Opinion 1522  

montagui [Leach 1814] [originally in Pandalus], in Brewster’s Edinburgh Ency., 7(2): 432 (specific name of the type species of Pandalus [Leach 1814]) (Crustacea, Decapoda). Direction 47

montana Morrison 1875 [originally in Agrotis], Ann. Lyc. nat. Hist. N.Y., 11: 95 (specific name of the type species of Orosagrotis Hampson 1903) (Insecta, Lepidoptera). Opinion 983

montana De Vis 1897 [originally in Crateroscelis], Ibis, (7)3: 387 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 684 

montana Kuhl & van Hasselt 1822 [originally in Megophrys], Algemeene Konst- en Letter-Bode, 7: 102 (specific name of the type species of Megophrys Kuhl & van Hasselt 1822) (Amphibia, Anura). Opinion 1763 

montana Wilkes 1817 [originally in Motacilla], Encyclopaedia Londinensis, vol. 16, p. 89 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Aves). Opinion 1859  

montana Scopoli 1763 [originally in Tenthredo], Entomologia Carniolica ..., p. 276 (specific name of the type species of Macrophya Dahlbom 1835) (Insecta, Hymenoptera). Opinion 1958

montanus Draparnaud [1801] [originally in Bulimus], Tabl. Moll. terrestr. fluviat. France: 65 (specific name of the type species of Ena Turton 1831) (Gastropoda). Opinion 475  

montanus Charpentier 1825 [originally in Gryllus], Hor. Entomol., 1825: 173 (Insecta, Orthoptera). Opinion 609  

montanus Richardson 1829 [originally in Meles], Fauna Boreali-Americana (1): 41 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 897 

montanus Bernhauer 1934 [originally in Philonthus], Comptes Rendus des Séances Mensuelles Société des Sciences Naturelles et Physiques du Maroc, 28: 237, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of P. montanus Heer 1839 (Insecta, Coleoptera). Opinion 2053

montefiorei Buckman 1880 [originally in Belemnoteuthis], Proceedings of the Dorset Natural History and Antiquarian Field Club, 3: 141 (Cephalopoda, Coleoidea). Opinion 1914

montenigrina Mrázek 1904 [originally in Planaria], Sitzungsber. k. böhm. Ges. Wiss., Math.-Nat. Kl. Jahrg. 1903 (33), 43 pp., 2 pls., ruled under the plenary power to be given precedence over the specific name cornuta Shishkov 1903, as published in the binomen Phagocata cornuta, whenever the two names are considered synonyms (Turbellaria). Opinion 1127  

montezumae Saussure 1857 [originally in Cambarus], Rev. Mag. Zool., (2)9: 102 (specific name of the type species of Cambarellus Ortmann 1905) (Crustacea, Decapoda). Opinion 519

monticola Kuhl & van Hasselt 1822 [originally in Megophrys], Algemeene Konst- en Letter-Bode, 7: 104, ruled under the plenary power to be an incorrect original spelling of Megophrys montana (Amphibia, Anura). Opinion 1763

monticola Vieillot 1818 [originally in Oenanthe], Nouveau dictionnaire d’histoire naturelle, Ed. 2, vol. 21, p. 434 (Aves). Opinion 1859

monticola Günther 1864 [originally in Xenophrys], The reptiles of British India, p. 414 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Amphibia, Anura). Opinion 1763

Monticulipora d’Orbigny 1849 (October), Rev. Mag. Zool., (2)1: 503 (gender: feminine) (type species, by designation under the plenary power: Monticulipora mammulata d’Orbigny [January 1850], Prodr. Pal., 1: 25) (Bryozoa). Opinion 443 

Monticuliporella Bassler 1934, J. Washington Acad. Sci., 24 (No. 9): 408 (a junior objective synonym of Monticulipora d’Orbigny 1849 (October)). Opinion 443 

MONTICULIPORIDAE Nicholson 1881, Struct. Affin. Genus Monticulipora: 90 (type genus: Monticulipora d’Orbigny 1849 (October)) (Bryozoa). Opinion 443  

montivagus Meyer-Dür 1841 [originally in Berytus], Stettiner Entomologische Zeitung, 2(6): 89 (specific name of the type species of Lizinus Mulsant & Rey 1870) (Insecta, Heteroptera). Opinion 1504

moorei Watson 1893 [originally in Halpe], Proc. zool. Soc. London, 1893: 109 (specific name of the type species of Halpe Moore 1878) (Insecta, Lepidoptera). Opinion 828

Mopsea Lamouroux 1816, Histoire des Polypiers coralligènes flexibles, vulgairement nommés Zoophytes, p. 465 (gender: feminine) (type species, by designation under the plenary power: Isis encrinula Lamarck 1815) (Anthozoa). Opinion 1738

Moraba Walker 1870, Catalogue Dermaptera Saltatoria Brit. Mus., Part 3: 505 (gender: feminine) (type species, by monotypy: Moraba serricornis Walker 1870, Catalogue Dermaptera Saltatoria Brit. Mus., Part 3: 505) (Insecta, Orthoptera). Opinion 1096 

morae Kittel 1827 [originally in Aphis], Mém. Soc. linn. Paris, 5: 153 (included in a work rejected for nomenclatural purposes). Opinion 1188 

morbillosus Linnaeus 1758 [originally in Gryllus Locusta], Systema Naturae, Ed. 10, vol. 1, p. 431 (specific name of the type species of Phymateus Thunberg 1815) (Insecta, Orthoptera). Opinion 969  

morgense Hofmänner & Menzel 1914 [originally in Criconema], Zoologischer Anzeiger, 44: 90 (specific name of the type species of Criconemoides Taylor 1936) (Nematoda). Opinion 2046

morhua Linnaeus 1758 [originally in Gadus], Systema Naturae, Ed. 10, vol. 1, p. 252 (specific name of the type species of Gadus Linnaeus 1758) (Osteichthyes). Direction 57 

mori Linnaeus 1758 [originally in Phalaena], Systema Naturae, Ed. 10, vol. 1, p. 499 (specific name of the type species of Bombyx Linnaeus 1758) (Insecta, Lepidoptera). Opinion 450  

morio Linnaeus 1767 [originally in Voluta], Systema Naturae, Ed. 12, vol. 1, part 2, p. 1193 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 841

Mormoops Leach 1821, Trans. linn. Soc. London, 13(1): 76 (gender: feminine) (type species, by monotypy: Mormoops blainvillei (correction of blainvillii) Leach 1821, Trans. linn. Soc. London, 13(1): 77) these names having precedence over Aëllo Leach 1821 and Aëllo cuvieri Leach 1821, through the action of Dobson 1878 (Cat. Chiropt. Brit. Mus.: 454, nota) as first reviser (Mammalia). Opinion 462

Mormops Cuvier 1829, Dict. Sci. nat., 59: 422 (an unjustified emendation of Mormoops Leach 1821). Opinion 462 

Mormyrus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 327 (gender: masculine) (type species, by designation by Jordan & Evermann 1917 (Gen. Fish. (1): 15): Mormyrus cyprinoides Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 327) (Osteichthyes). Opinion 77, Direction 56

MORPHIDAE (correction of MORPHITES) Newman 1834, Entomol. Mag., 2(4): 379, 381 (type genus: Morpho Fabricius 1807) (Insecta, Lepidoptera). Direction 99, Direction 113

MORPHITES Newman 1834, Entomol. Mag., 2(4): 379, 381 (type genus: Morpho Fabricius 1807) (an incorrect original spelling for MORPHIDAE Newman 1834). Direction 113

Morpho Fabricius 1807, Mag. f. Insektenk. (Illiger), 6: 280 (gender: feminine) (type species, by designation by Westwood [1851] (in Doubleday, Gen. diurn. Lep. (2): 341): Papilio achilles Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 463) (Insecta, Lepidoptera). Opinion 137

MORPHOIDAE Agassiz 1847, Nomencl. zool., Index univ. (ed. 4): 239 (type genus: Morpho Fabricius 1807) (an unjustified emendation of MORPHIDES Boisduval 1836, itself an incorrect subsequent spelling for MORPHIDAE Newman 1834). Direction 113

Morphnus Cuvier 1817 (gender: masculine), type species by subsequent designation by Gray (1841) Falco urubitinga Gmelin [1789], confirmed by Opinion 62

morrisiana (emendation under the plenary power of morrisiania) King 1848 [originally in Strophalosia], Catalogue of the Organic Remains of the Permian Rocks of Northumberland and Durham: 9 (Brachiopoda). Opinion 625

morrisiania King 1848 [originally in Strophalosia], Catalogue of the Organic Remains of the Permian Rocks of Northumberland and Durham: 9 (ruled under the plenary power to be an incorrect original spelling for morrisiana King 1848 [originally in Strophalosia]). Opinion 625

morrisianus Howse 1848 [originally in Productus], Trans. Tyneside Nat. Field Club, 1(3): 257 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 625

morrisianus Murchison & de Verneuil 1845 [originally in Productus], Géologie de la Russie dEurope, 1: 223 (a nomen nudum). Opinion 625  

morrisoni Townsend 1915 [originally in Phoranthella], Proc. biol. Soc. Washington, 18: 23 (a nomen nudum). Opinion 205 

morsitans Linnaeus 1758 [originally in Scolopendra], Systema Naturae, Ed. 10, vol. 1, p. 638 (specific name of the type species of Scolopendra Linnaeus 1758) (Chilopoda). Opinion 454

Mortonella Pomel 1883, Class. méth. Gen. Echin. viv. foss.: 70 (gender: feminine) (type species, by designation under the plenary power: Scutella quinquefaria Say [1826], J. Acad. nat. Sci. Philadelphia, 5: 228) (Echinoidea). Opinion 358

Mortonia Desor 1858, Syn. Echin. foss.: 231 (a junior homonym of Mortonia Gray [1852]). Opinion 358

Morum [Röding] 1798, Mus. Bolten., (2) Hamburg: 53 (gender: neuter) (type species, by monotypy: Morum purpureum [Röding] 1798, Mus. Bolten., (2) Hamburg: 53, valid name: Strombus oniscus Linnaeus 1767) (Gastropoda). Opinion 1040

morys Walker 1848 [originally in Pteromalus], List Hym. Coll. Brit. Mus. (2): 197 (valid name at the date of Opinion 1297 of the type species of Xenocrepis Foerster 1856) (Insecta, Hymenoptera). Opinion 1297 

moschata Linnaeus 1758 [originally in Anas], Systema Naturae, Ed. 10, vol. 1, p. 124 (specific name of the type species of Cairina Fleming 1822) (Aves). Direction 43

moschata Gray 1831 [originally in Helictis], Proc. zool. Soc. London, 1(1830-31): 94 (specific name of the type species of Helictis Gray 1831) (Mammalia). Opinion 384

moschatus Zimmermann 1780 [originally in Bos], Geogr. Gesch. Mens., 2: 86 (specific name of the type species of Ovibos Blainville 1816) (Mammalia). Direction 22  

moschatus Lamarck 1798 [originally in Octopus], Bull. Sci. Soc. philomat. Paris (No. 17): 130 (specific name of the type species of Eledone Leach 1817) (Cephalopoda). Opinion 233

moschiferus Linnaeus 1758 [originally in Moschus], Systema Naturae, Ed. 10, vol. 1, p. 66 (specific name of the type species of Moschus Linnaeus 1758) (Mammalia). Direction 22 

Moschites Schneider 1784, Samml. verm. Abhandl. Aufklär. Zool.: 118 (not made available in the work cited). Opinion 233

moschites Schneider 1784 [originally in Octopodia], Samml. verm. Abhandl. Aufklär. Zool.: 118 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 233

Moschus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 66 (gender: masculine) (type species, by monotypy: Moschus moschiferus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 66) (Mammalia). Opinion 75 

Mosillus Latreille 1804, in: Nouveau dictionnaire d’histoire naturelle, vol. 24, p. 196 (gender: masculine) (type species, by subsequent monotypy by Latreille 1805, Histoire naturelle, générale et particulière des crustacés et des insectes, vol. 14, p. 390: Mosillus arcuatus Latreille 1805, a junior subjective synonym of Syrphus subsultans Fabricius 1794, type species of Gymnomyza Fallén 1810) (Insecta, Diptera). Opinion 1748 

mosquensis von Buch 1844 [originally in Avicula], Neues Jahrb. Min., 1844: 537, as interpreted by the lectotype designated by Pavlov 1907 (Nouv. Mém. Soc. imp. Nat. Moscou, 17: 23-25) (specific name of the type species of Buchia Rouillier 1845) (Bivalvia). Opinion 492

Motacilla Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 184 (gender: feminine) (type species, by Linnaean tautonymy: Motacilla alba Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 185) (Aves). Direction 17 

motmot Linnaeus 1766 [originally in Phasianus] (Aves). ICZN 2020: Opinion 2456

moulinsiana Dupuy 1849 [originally in Pupa], Cat. extra-marin. Galliae Test.: 4 (Gastropoda). Opinion 336