International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
Hy
hyacinthina Temminck [1820] [originally in Muscicapa], in Temminck & Laugier, Nouv. Recueil Planch. col. Ois. Buffon (Livr. 5): pl. 30, figs. 1, 2 (Aves). Opinion 415
Hyaena Brisson 1762, Regnum Animale in classes IX distributum, sive synopsis methodica, Ed. 2, pp. 13, 169 (gender: feminine) (type species, by designation under the plenary power: Canis hyaena Linnaeus 1758), ruled under the plenary power to be taken as first available from Brisson 1762, despite that being a work rejected for nomenclatural purposes (Mammalia, Carnivora). Opinion 1894
hyaena Linnaeus 1758 [originally in Canis], Systema Naturae, Ed. 10, vol. 1, p. 40 (specific name of the type species of Hyaena Brisson 1762) (Mammalia, Carnivora). Opinion 1894
hyale Linnaeus 1758 [originally in Papilio], Systema Naturae, Ed. 10, vol. 1, p. 469 (specific name of the type species of Colias Fabricius 1807) (Insecta, Lepidoptera). Direction 4
Hyalopterus Koch [1854], Die Pflanzenläuse-Aphiden, 1: 16 (gender: masculine) (type species, by designation by Passerini 1860 (Gli Afidi: [27]): Aphis pruni Geoffroy 1762, Hist. abrég. Ins. Paris, 2: 497, as conserved under the plenary power and as interpreted by reference to the description published by Réaumur 1737 (Mém. Hist. Ins., 9(3): 317)) (Insecta, Hemiptera). Opinion 397
hyatti Mojsisovics 1893 [originally in Arpadites (Drepanites)], Abhandlungen der Kaiserlich-Königlichen Geologischen Reichsanstalt, 6(2): 495 (specific name of the type species of Drepanites Mojsisovics 1893) (Cephalopoda, Ammonoidea). Opinion 1609
hybrida Linnaeus 1776 [originally in Meleagris], Cat. Birds Beasts Fishes Ins. Edwards’ nat. Hist.: 14 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 412
hybridus Cameron 1930 [originally in Philonthus], Journal of the Federated Malay States Museums, 16: 163, ruled under the plenary power to be not invalid by reason of being a junior primary homonym of P. hybridus Erichson 1840 (Insecta, Coleoptera). Opinion 2053
hybridus Erichson 1840 [originally in Philonthus], Genera et species Staphylinorum insectorum coleopterorum familiae, part 2, p. 432 (Insecta, Coleoptera). Opinion 2053
Hydaticus Schönherr 1825, Isis von Oken, 16: col. 583 (a junior homonym of Hydaticus Leach 1817) (Insecta, Coleoptera). Opinion 1968
hydatis Linnaeus 1758 [originally in Bulla], Systema Naturae, Ed. 10, vol. 1, p. 726 (specific name of the type species of Haminoea [Turton] in Turton & Kingston in Carrington 1830) (Gastropoda). Opinion 1942
hydei Sturtevant 1921 [originally in Drosophila], Carnegie Institution of Washington Publications, 301: 101 (Insecta, Diptera). Opinion 1712
Hydrellia Robineau-Desvoidy 1830, Acad. roy. Sci., Mém. prés. divers savans, 2: 790 (gender: feminine) (type species, by designation by Coquillett 1910 (Proc. U.S. nat. Mus., 37: 553): Hydrellia aurifacies Robineau-Desvoidy 1830, Acad. roy. Sci., Mém. prés. divers savans, 2: 791, valid name: Notiphila flaviceps Meigen 1830) (Insecta, Diptera). Opinion 1321
HYDRELLIIDAE Robineau-Desvoidy 1830, Acad. roy. Sci., Mém. prés. divers savans, 2: 783 (type genus: Hydrellia Robineau-Desvoidy 1830), ruled under the plenary power not to be given priority over the family-group name EPHYDRIDAE Zetterstedt 1837 whenever Hydrellia Robineau-Desvoidy 1830 and Ephydra Fallén 1810 are placed in the same family-group taxon (Insecta, Diptera). Opinion 1321
Hydrobata Vieillot 1816, Analyse d’une nouvelle ornithologie élémentaire, p. 42 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Aves, Procellariiformes). Opinion 1696
Hydrobates Boie 1822, Isis (von Oken), 1822: col. 562 (gender: masculine) (type species, by subsequent designation by Baird, Brewer & Ridgway 1884, Memoirs of the Museum of Comparative Zoology, Harvard, 13: 403: Procellaria pelagica Linnaeus 1758) (Aves, Procellariiformes). Opinion 1696
HYDROBATIDAE Degland 1849, Ornithologie européenne, ou catalogue analytique et raisonné des oiseaux observés en Europe, vol. 1, p. 445 and other family-group names based on Hydrobata Vieillot 1816, ruled under the plenary power to be unavailable because the name of the type genus Hydrobata Vieillot 1816 has been suppressed (Aves, Procellariiformes). Opinion 1696
HYDROBATIDAE Mathews 1912 (1865), Birds of Australia, vol. 2, part 1, p. 9 (type genus: Hydrobates Boie 1822), ruled by the Commission to take the precedence of the replaced family-group name THALASSIDROMIDAE von Müller 1865 (Aves, Procellariiformes). Opinion 1696
Hydrobia Hartmann 1821, Neue Alpina, eine Schrift der Schweizerischen Naturgeschichte, Alpen- und Landwirthschaft Gewiedmet, Winterthur, 1: 258 (gender: feminine) (type species, by subsequent designation by Gray 1847, Proceedings of the Zoological Society of London, 15: 151: Cyclostoma acutum Draparnaud 1805) (Gastropoda). Opinion 2034
HYDROBIIDAE Troschel 1857, Das Gebiss der Schnecken zur Begründung einer natürlichen Classification, vol. 1, part 2, p. 106 (type genus: Hydrobia Hartmann 1821) (Gastropoda). Opinion 2034
HYDROBIINA Mulsant 1844, Histoire naturelle des coléoptères de France, vol. 3, p. 116, spelling emended to HYDROBIUSINA following the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of the generic name Hydrobius Leach 1815 is HYDROBIUS- (Insecta, Coleoptera). Opinion 2034
Hydrobius Leach 1815, in Brewster, The Edinburgh Encyclopaedia, vol. 9, p. 96 (gender: masculine) (type species, ruled under the plenary power to be by subsequent designation by Hope 1838, The Coleopterist’s Manual. Vol. 2. Predaceous Land and Water Beetles, p. 125: Dytiscus fuscipes Linnaeus 1758) (Insecta, Coleoptera). Op. 1577
HYDROBIUSINA Mulsant 1844, Histoire naturelle des coléoptères de France, vol. 3, p. 116 (type genus: Hydrobius Leach 1815), spelling emended from HYDROBIINA by the ruling under the plenary power that for the purposes of Article 29 of the Code the stem of the generic name Hydrobius is HYDROBIUS- (Insecta, Coleoptera). Op. 2034
HYDROCANTHARI Gyllenhal 1808, Ins. suec., 1: 464 (invalid because not based on a generic name). Opinion 619
hydrochaeris Linnaeus 1766 [originally in Sus], Systema Naturae, Ed. 12, vol. 1, p. 103 (specific name of the type species of Hydrochoerus Brisson 1762) (Mammalia, Rodentia). Opinion 1894
Hydrochoerus Brisson 1762, Regnum Animale in classes IX distributum, sive synopsis methodica, Ed. 2, pp. 12, 80 (gender: masculine) (type species, by designation under the plenary power: Sus hydrochaeris Linnaeus 1766), ruled under the plenary power to be taken as first available from Brisson 1762, despite that being a work rejected for nomenclatural purposes (Mammalia, Rodentia). Opinion 1894
Hydrodamalis Retzius 1794, K. svensk. Vetensk.Akad. Handl., (2)15: 292 (gender: feminine) (type species, by monotypy: Hydrodamalis stelleri Retzius 1794, K. svensk. Vetensk.Akad. Handl., (2)15: 292, valid name: Manati gigas Zimmermann 1780) (Mammalia). Opinion 1320
Hydrolycus Müller & Troschel 1844, Archiv für Naturgeschichte, Berlin, 10(1): 93 (gender: masculine) (type species, confirmed by the Commission to be by monotypy: Hydrocyon scomberoides Cuvier 1819) (Osteichthyes, Cypriniformes). Opinion 1581
Hydromantes Gistel 1848, Naturgeschichte des Thierreiches für höhere Schulen, p. xi (gender: masculine) (type species, by designation under the plenary power: Spelerpes platycephalus Camp 1916) (Amphibia, Caudata). Opinion 1866
Hydromantoides Lanza & Vanni 1981, Monitore Zoologico Italiano, (n.s.)15: 119 (a junior objective synonym of Hydromantes Gistel 1848) (Amphibia, Caudata). Opinion 1866
HYDROPHIIDAE Fitzinger 1843, Systema reptilium (Vindobonae, Braumüller & Seidel), fasc. 1: 28 (type genus: Hydrophis Latreille 1801), ruled under the plenary power to be given precedence over the family-group name BUNGARIDAE Fitzinger 1826 whenever Hydrophis Latreille 1801 and Bungarus Daudin 1803 are placed in the same family-group taxon (Reptilia). Opinion 1201
Hydrophilus Geoffroy 1762, Histoire abrégée des insectes qui se trouvent aux environs de Paris, vol. 1, p. 180 (gender: masculine) (type species, by subsequent designation by Latreille 1810, Considerations générales sur ... les classes des crustacés, des arachnides et des insectes, p. 428: Dytiscus piceus Linnaeus 1758) (Insecta, Coleoptera). Opinion 1754
Hydrophis Latreille 1801, in Sonnini & Latreille, Hist. nat. Rept. (Paris, Deterville), 4: 193 (gender: masculine) (type species, by designation under the plenary power: Hydrus fasciatus Schneider 1799, Historia amphibiorum naturalis et literariae (Jena), fasc. 1: 240) (Reptilia). Opinion 1201
Hydrophoria Robineau-Desvoidy 1830, Mémoires présentés par divers savants à l’Académie Royale des Sciences de l’Institut de France, (2)2: 503 (gender: feminine) (type species, by designation under the plenary power: Musca lancifer Harris [1780]) (Insecta, Diptera). Opinion 1827
HYDROPHORINAE Lioy 1864, Atti r. Ist. Veneto Sci., Lett. Arti, (3)9: 762 or Schiner 1864, Cat. syst. Dipt. Eur.: 46 (type genus: Hydrophorus Fallén 1823) (Insecta, Diptera). Opinion 1314
Hydrophorus Fallén 1823, Monographia Dolichopodum Sveciae: 3 (gender: masculine) (type species, by designation under the plenary power: Hydrophorus nebulosus Fallén 1823, Monographia Dolichopodum Sveciae: 3) (Insecta, Diptera). Opinion 1314
Hydrothelphusa Milne Edwards 1872, Ann. Sci. nat., Paris (Zool.), (5)15 (No. 21): 2 (gender: feminine) (type species, by monotypy: Hydrothelphusa agilis Milne Edwards 1872, Ann. Sci. nat., Paris (Zool.), (5)15 (No. 21): 2) (Crustacea, Decapoda). Opinion 73
Hygriobia Latreille 1804, Nouv. Dict. Hist. nat., 24: 139 (an incorrect original spelling for Hygrobia Latreille 1804). Opinion 278
Hygrobia (emendation of Hygriobia) Latreille 1804, Nouv. Dict. Hist. nat., 24: 139 (gender: feminine) (type species, by monotypy: Dytiscus hermanni (emendation of herrmanni) Fabricius 1775, Syst. Entomol.: 232) (Insecta, Coleoptera). Opinion 280
Hygromia Risso 1826, Hist. nat. princip. Prod. Europ. mérid., 4: 66 (gender: feminine) (type species, by designation by Herrmannsen 1847 (Indicis Gen. Malacoz. Primordia, 1: 547): Helix cinctella Draparnaud [1801], Tabl. Moll. terrestr. fluviat. France: 87) (Gastropoda). Opinion 335
HYGROMIINAE Geyer 1909, Unsere Land- u. Süsswasser-Moll. (ed. 2): 11 (type genus: Hygromia Risso 1826) (Gastropoda). Direction 27
HYLAEIDAE Viereck 1916 (1813), Connecticut State Geological and Natural History Survey Bulletin, 22: 737 (type genus: Hylaeus Fabricius 1793), ruled under the plenary power that this name and other family-group names based on Hylaeus are not to be given priority over COLLETIDAE Lepeletier 1841 and other family-group names based on Colletes Latreille 1802 whenever their type genera are placed in the same family-group taxon (Insecta, Hymenoptera). Opinion 1713
Hylaeus Fabricius 1793, Entomologia systematica emendata et aucta ..., vol. 2, p. 302 (gender: masculine) (type species, by subsequent designation by Latreille 1810, Considerations générales sur ... les classes des crustacés, des arachnides et des insectes ..., p. 438: Apis annulata Linnaeus 1758) (Insecta, Hymenoptera). Opinion 1713
Hylambates Duméril 1853, Annls. Sci. nat. (Zool.), 19: 162 (gender: masculine) (type species, by monotypy: Hylambates maculatus Duméril 1853, Annls. Sci. nat. (Zool.), 19: 165) ruled under the plenary power not to be given priority over the generic name Kassina Girard 1853 whenever the two names are considered synonyms (Amphibia). Opinion 1364
hylas Linnaeus 1758 [originally in Papilio], Systema Naturae, Ed. 10, vol. 1, p. 486♂ (nec ♀) (valid name at the date of Opinion 232 of the type species of Neptis Fabricius 1807) (Insecta, Lepidoptera). Opinion 232
Hylobates Dejean 1834, Cat. Coléopt. (ed. 2): 204 (a nomen nudum). Direction 24
Hylobates Illiger 1811, Prodr. Syst. Mamm. Avium: 67 (gender: masculine) (type species, by monotypy: Homo lar Linnaeus 1771, Mantissa Plant. (2): 521) (Mammalia). Opinion 122
Hylobatus Schlegel 1876, Mus. Hist. nat. Pays-Bas. Rev. méth. (Monogr. 40): 338 (an incorrect subsequent spelling for Hylobates Illiger 1811). Direction 24
Hylophila Kirby & Spence 1828, Introd. Entomol. (ed. 5), 1: 107 (a junior objective synonym of Anthocoris Fallén 1814). Direction 63
Hymenitis [Illiger] 1807, Allgem. Literatur-Ztg., (Jena) Halle, 1807(2)(303): 1180 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 985
Hymenitis Hübner 1816, Verz. bekannt. Schmett. (1): 8 (a junior homonym of Hymenitis [Illiger] 1807). Opinion 985
Hymenocera Latreille 1819, Nouv. Dict. Hist. nat. (ed. 2), 30: 71 (gender: feminine) (type species, by designation under the plenary power: Hymenocera picta Dana 1852, U.S. Explor. Exped., 13: 593) (Crustacea, Decapoda). Opinion 383
Hymenodora Sars 1877, Arch. Math. Naturvidensk., 2: 340 [240] (gender: feminine) (type species, by monotypy: Pasiphaë glacialis Buchholz 1874, in Koldewey, Zweite Deutsche Nordpolarfahrt, 2: 279) (Crustacea, Decapoda). Opinion 470
HYMENOLEPIDINAE Perrier [1896], Traité de Zoologie, part 2, fasc. 4, p. 1852 (type genus: Hymenolepis Weinland 1858) (Cestoda). Opinion 1428
Hymenolepis Weinland 1858, Human Cestoides. An essay on the tapeworms of Man, p. 49 (gender: feminine) (type species, by designation under the plenary power: Taenia diminuta Rudolphi 1819) (Cestoda). Opinion 1428
Hymenopenaeus Smith 1882, Bull. Mus. comp. Zool., 10: 91 (gender: masculine) (type species, by monotypy: Hymenopenaeus debilis Smith 1882, Bull. Mus. comp. Zool., 10: 91) (Crustacea, Decapoda). Opinion 864
Hymenopeneus Faxon 1895, Mem. Mus. comp. Zool., 18: 191 (an incorrect subsequent spelling for Hymenopenaeus Smith 1882). Opinion 864
hyodon, Mastotherium Fischer 1814, Zoognosia Tabulis synopticis illustrata, vol. 3, p. 341, specific name of the type species of Cuvieronius Osborn 1923) as defined by the neotype MNHN TAR 1270 (Musée National d’Histoire Naturelle, Paris) skull and lower jaw originally described and illustrated by Boule & Thevenin (1920, pls. 1–3) designated under the plenary power (Mammalia). Opinion 2276
hyosciama Kittel 1827 [originally in Aphis], Mém. Soc. linn. Paris, 5: 149 (included in a work rejected for nomenclatural purposes). Opinion 1188
Hypacantha Rafinesque 1810, Indice d’Ittol. Sicil.: 67 (an incorrect subsequent spelling for Hypacantus Rafinesque 1809). Opinion 1124
Hypacanthus Rafinesque 1810, Indice d’Ittol. Sicil.: 19 (an incorrect subsequent spelling for Hypacantus Rafinesque 1809). Opinion 1124
Hypacantus Rafinesque 1809, Caratt. alc. nuov. gen. spec. anim. pianti Sicilia (1): 43 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 1124
Hypaeus Simon 1900, Ann. Soc. entomol. France, 69: 42 (gender: masculine) (type species, by designation under the plenary power: Acragas taczanowskii Mello-Leitão 1948, An. Acad. Brasil Cien., 20(2): 187, fig. 27) (Arachnida). Opinion 889
Hypalastor Saussure 1856, Et. Fam. Vesp., 3: 328 (gender: masculine) (type species: Odynerus angulicollis Spinola 1851, Hist. Chile, Zool., 6: 261) (ruled under the plenary power to be available from the date of publication by H. de Saussure) (Insecta, Hymenoptera). Opinion 893
Hypalastoroides Saussure 1856, Et. Fam. Vesp., 3: 328 (gender: masculine) (type species: Alastor brasiliensis Saussure 1856, Et. Fam. Vesp., 3: 329) (ruled under the plenary power to be available from the date of publication by H. de Saussure) (Insecta, Hymenoptera). Opinion 893
Hypancistrocerus Saussure 1855, Et. Fam. Vesp., 3: 222 (gender: masculine) (type species: Odynerus advena Saussure 1855, Et. Fam. Vesp., 3: 222) (ruled under the plenary power to be available from the date of publication by H. de Saussure) (Insecta, Hymenoptera). Opinion 893
Hypanodonta Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 567 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
hyperbius Linnaeus 1763 [originally in Papilio], Amoen. acad., 6: 408 (Insecta, Lepidoptera). Direction 2
hyperborea Torell 1859 [originally in Yoldia], Bidrag till Spitsbergens molluskfauna: 145-152 (specific name of the type species of Yoldia Möller 1842) (Bivalvia). Opinion 769
Hypercompe Hübner [1819], Samml. exot. Schmett., 1: pl. [191] (gender: neuter) (type species, by designation under the plenary power: Phalaena icasia Cramer 1777, Uitl. Kapellen, 2: 130, pl. 181, fig. E) (Insecta, Lepidoptera). Opinion 789
Hypercompe Hübner 1808, Erste Zutr. Samml. exot. Schmett.: 3 (included in a work rejected for nomenclatural purposes). Opinion 789
Hyperlepisma Silvestri 1932 (Zygentoma). ICZN 2018: Opinion 2427
Hyphoplites Spath 1922, Transactions of the Royal Society of Edinburgh, 53(6): 110 (gender: masculine) (type species, by original designation: Ammonites falcatus Mantell 1822) (Cephalopoda, Ammonoidea). Opinion 1609
hypnorum Linnaeus 1758 [originally in Bulla], Systema Naturae, Ed. 10, vol. 1, p. 727 (specific name of the type species of Aplexa Fleming [1820]) (Gastropoda). Opinion 335
Hypobrachys Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 585 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Hypocrita Hübner 1808, Erste Zutr. Samml. exot. Schmett.: 4 (included in a work rejected for nomenclatural purposes). Opinion 789
Hypocrita Saussure 1868, Rev. Mag. Zool., (2)20: 99 (a junior homonym of Hypocrita Hübner [1807]). Opinion 789
hypocyana Boie 1827 [originally in Caecilia], Isis (von Oken), 1827: col. 565 (specific name of the type species of Epicrium Wagler 1828) (Amphibia, Gymnophiona). Opinion 1749
Hypoderma Geoffroy Saint-Hilaire 1828, Dict. class. Hist. nat., 14: 707 (a junior homonym of Hypoderma Latreille 1818). Direction 63
Hypoderma Latreille 1818, Nouv. Dict. Hist. nat. (ed. 2), 23: 272 (gender: neuter) (type species, by monotypy: Oestrus bovis Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 584) (Insecta, Diptera). Opinion 106
Hypodolichos Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 585 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Hypodontophora Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 560 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Hypodynerus Saussure 1855, Et. Fam. Vesp., 3: 225-250 (gender: masculine) (type species: Odynerus humeralis Haliday 1836, Trans. linn. Soc. London, 17: 324) (ruled under the plenary power to be available from the date of publication by H. de Saussure) (Insecta, Hymenoptera). Opinion 893
Hypogastrura Bourlet 1839, Mém. Soc. r. Sci. Lille, 1839(1): 404 (gender: feminine) (type species, by designation under the plenary power: Achorutes viaticus Tullberg 1872, K. svensk. Vetensk.-Akad. Handl., Stockholm (n.s.), 10 (No. 10): 50) (Insecta, Collembola). Opinion 435
HYPOGASTRURINAE Börner 1906, Mitt. naturh. Mus. Hamburg, 23: 160 (type genus: Hypogastrura Bourlet 1839) (Insecta, Collembola). Opinion 435
hypolithus Pallas 1781 [originally in Tenebrio], Icones insectorum praesertim Russiae Siberiaeque peculiarium, quae collegit et descriptionibus illustravit, p. 44 (specific name of the type species of Platyscelis Latreille 1818) (Insecta, Coleoptera). Opinion 1729
Hypolyte Newcombe 1898, Cat. Coll. Prov. Mus. Brit. Columb.: 79 (an incorrect subsequent spelling for Hippolyte [Leach 1814]). Opinion 606
Hypomonodon Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 559 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Hyposmochoma Butler 1881, Ann. Mag. nat. Hist., (5)7(40): 399 (ruled under the plenary power to be an incorrect original spelling for Hyposmocoma Butler 1881). Opinion 965
Hyposmocoma (emendation by Walsingham 1907, Fauna Hawaiiensis, 1(5): 549, of Hyposmochoma) Butler 1881, Ann. Mag. nat. Hist., (5)7(40): 399 (gender: feminine) (type species, by monotypy: Hyposmocoma blackburnii Butler 1881, Ann. Mag. nat. Hist., (5)7(40): 400) (Insecta, Lepidoptera). Opinion 965
Hypotriodonta Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 559 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069
Hypoturrilites Dubourdieu 1953, Bulletin du Service de la Carte Géologique de l’Algérie, series 1 (Paléontologie), 16: 44 (gender: masculine) (type species, by original designation: Turrilites gravesianus d’Orbigny 1842) (Cephalopoda, Ammonoidea). Opinion 1925
Hyppolite Veranyi 1846, Cat. Anim. Golfo Genova: 8 (an incorrect subsequent spelling for Hippolyte [Leach 1814]). Opinion 606
HYPPOLITIDAE Dohrn 1950, Pubbl. Sta. zool. Napoli, 22: 257, 259, 261, 263, 265, 267, 269, 271 (type genus: Hippolyte [Leach 1814]) (an incorrect subsequent spelling for HIPPOLYTIDAE Bate 1888). Opinion 470
Hyppolyte Leach 1815, Trans. linn. Soc. London, 11: 346 (an incorrect subsequent spelling for Hippolyte [Leach 1814]). Opinion 606
Hyppolythe Borcea 1934, Ann. Univ. Jassy, 29: 405 (an incorrect subsequent spelling for Hippolyte [Leach 1814]). Opinion 606
Hyppolytte Valdés Ragués 1909, Mis. Trabajos Acad.: 182 (an incorrect subsequent spelling for Hippolyte [Leach 1814]). Opinion 606
Hypselodoris Stimpson 1855, Proceedings of the Academy of Natural Sciences of Philadelphia, 7(10): 389 (gender: feminine) (type species, by monotypy: Goniodoris obscura Stimpson 1855) (Gastropoda). Opinion 1375
Hypselopus Burmeister 1835, Handb. Entomol., 2(1): 328 (gender: masculine) (type species, by designation under the plenary power: Hypselopus gigas Burmeister 1835, Handb. Entomol., 2(1): 329) (Insecta, Hemiptera). Opinion 187
Hypsibius Ehrenberg 1848, Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlichen Preussischen Akademie der Wissenschaften zu Berlin, 1848: 381 (gender: masculine) (type species, by designation under the plenary power: Macrobiotus dujardini Doyère 1840) (Tardigrada). Opinion 1551
Hysaplesia Boie in Schlegel 1826, Bulletin des Sciences Naturelles et de Géologie (Paris), 9(2): 239 (gender: feminine), type species ‘Hyla punctata Daudin’ = Calamita punctatus Schneider 1799 by subsequent designation of Stejneger 1937, suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy (Amphibia). Opinion 2223
hysterita Linnaeus 1758 [originally in Anomia], Systema Naturae, Ed. 10, vol. 1, p. 703 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 925
Hystrix Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 100 (included in a work rejected for nomenclatural purposes). Opinion 592
Hystrix Linnaeus 1758, Systema Naturae, Ed 10, vol. 1, p. 56 (gender: feminine) (type species, by Linnaean tautonymy: Hystrix cristata Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 56) (Mammalia). Opinion 75
hystrix Otto 1823 [originally in Eolidia], Nov. Act. Leop., 11: 277 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 774
hystrix Alder & Hancock 1842 [originally in Eolis (sic)], Ann. Mag. nat. Hist., 9: 35 (a junior primary homonym of Eolidia hystrix Otto 1823). Opinion 774
hystrix Marion & Kowalevsky in Fischer (authorship confirmed by the Commission) 1885 [originally in Lepidomenia], Manuel de conchyliologie et de paléontologie conchyliologique ..., p. 889 (specific name of the type species of Lepidomenia Kowalevsky in Brock 1883) (Solenogastres). Opinion 1676