International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS

taxa names:

Ho

hoazin Müller [1776] [originally in Phasianus], Linné vollständ. Natursyst., Suppl.: 125 (valid name at the date of Direction 43 of the type species of Opisthocomus Illiger 1811) (Aves). Direction 43  

hochstetteri Fitzinger 1861 [originally in Leiopelma], Verh. zool.-bot. Ges. Wien, 11: 218 (specific name of the type species of Leiopelma Fitzinger 1861) (Amphibia). Opinion 1071 

hoevenii Bleeker 1846 [originally in Bagrus], Natuuren Geneeskundig Archief voor Néêrland’s Indië, 3(2): 154, as defined by the neotype (specimen no. ZRC 37472 in the Zoological Reference Collection at the National University of Singapore) designated under the plenary power (Osteichthyes, Siluriformes). Opinion 1840 

hoffii Schlotheim 1823 [originally in Trilobites], Die Petrefactenk., Nachtr., 2: 30 (valid name at the date of Opinion 512 of the type species of Ellipsocephalus Zenker 1833) (Trilobita). Opinion 512  

Hoffmanniellius Mello-Leitão 1934, Annaes da Academia Brasileira de Sciencias, 6(2): 80 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Arachnida, Scorpiones). Opinion 1934

Holaraea Milne Edwards & Haime 1849, C.R. Acad. Sci., Paris, 29: 259 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 790  

HOLCOSTEPHANIDAE Haug 1910, Traité Géol., 2(2): 1167 (type genus: Olcostephanus Neumayr 1875) (an incorrect original spelling for OLCOSTEPHANIDAE Haug 1910). Opinion 575  

Holcostephanus Sayn 1889, Bull. Soc. géol. France, (3)17: 679 (an unjustified emendation of Olcostephanus Neumayr 1875). Opinion 575 

Holocentropus McLachlan 1878, A monographic revision and synopsis of the Trichoptera of the European fauna, part 7: 400 (gender: masculine) (type species, by original designation: Philopotamus dubius Rambur 1842, Histoire naturelle des Insectes. Névroptères: 503) ruled under the plenary power to be given precedence over the generic name Phryganeolitha Germar 1813 whenever the two names are considered synonyms (Insecta, Trichoptera). Opinion 1327 

Holochilus Brandt 1835, Mémoires de l’Académie Impériale des Sciences de Saint-Pétersbourg, (6)3(2), Sciences Naturelles, 1: 428 (gender: masculine) (type species, by designation under the plenary power: Holochilus sciureus Wagner 1842) (Mammalia). Opinion 1984 

Holochromatogaster 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  

hologaster Nitzsch 1818 [originally in Philopterus], Mag. Entomol. (Germar), 3: 294 (a junior objective synonym of gallinae de Geer 1778 [originally in Ricinus]). Opinion 627

Holomeros Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 573 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069  

Holometopus Angelin 1854, Pal. Scand. (ed. 1), fasc. 2: 58 (a junior homonym of Holometopus Milne Edwards 1853). Direction 37

Holometopus Milne Edwards 1853, Ann. Sci. nat., Paris (Zool.), (3)20: 187 (gender: masculine) (type species, by monotypy: Grapsus (Pachysoma) haematocheir de Haan [1833] in Siebold, Fauna japon. (Crust.): pl. 7; id. [1835], ibid.: 62) (Crustacea, Decapoda). Opinion 85, Direction 37, Direction 85 

Holoptychius Agassiz 1839, in Murchison, Silurian System: 599 (gender: masculine) (type species, by monotypy: Holoptychius nobilissimus Agassiz 1839, in Murchison, Silurian System: 599-601, pl. 2 bis, figs. 1, 2) (Osteichthyes). Opinion 930 

Holoptychius Egerton 1837, System. Stratig. Cat. foss. fish. Cab. Lord Cole & Sir Philip Grey Egerton: 275, pl. 27 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 930  

Holoptychus Buckland 1837, Geol. Min. Ref. nat. Theology, 2: 43 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 930 

Holopus d’Orbigny 1837, Mag. Zool., 7: 5, 6, pl. 3 (gender: masculine) (type species, by monotypy: Holopus rangii d’Orbigny 1837, Mag. Zool., 7: 6-8, pl. 3) (Crinoidea). Opinion 73, Direction 72 

holosericeus Linnaeus 1758 [originally in Acarus], Systema Naturae, Ed. 10, vol. 1, p. 617 (specific name of the type species of Trombidium Fabricius 1775) (Arachnida). Direction 67

holosericeus De Geer 1778 [originally in Acarus aquaticus] (Arthropoda). ICZN 2014: Opinion 2333

Holospira Martens 1860, in Albers, J.C., Die Heliceen, nach natürlicher Verwandtschaft systematisch geordnet, Ed. 2, p. 39 (gender: feminine) (type species, by designation under the plenary power: Cylindrella goldfussi Menke 1847) (Gastropoda). Opinion 1932 

Holothuria Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 657 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 80, Direction 72

Holothuria Linnaeus 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1089 (conserved under the plenary power) (gender: feminine) (type species, by designation under the plenary power: Holothuria tremula Linnaeus 1767, Systema Naturae, Ed. 12, vol. 1, part 2, p. 1090) (Holothuroidea). Opinion 80 

Holothuriophilus Nauck 1880, Z. wiss. Zool., 34: 66 (gender: masculine) (type species, through Article 68b(i): Holothuriophilus trapeziformis Nauck 1880, Z. wiss. Zool., 34: 66) (Crustacea, Decapoda). Opinion 85, Direction 37

holsatus Fabricius 1798 [originally in Portunus], Suppl. Entomol. syst.: 366 (Crustacea, Decapoda). Direction 84 

holstii Pocock 1895 [originally in Geophilus], Annals and Magazine of Natural History, (6)15: 352, ruled under the plenary power as defined by the neotype (collecting data Hon-noo, Mobara City, Chiba Pref., Honshu, Japan 3. XII 1997, K. Ishii leg., accessed in the National Science Museum, Tokyo, Japan) designated under the plenary power (Chilopoda). Opinion 2219  

Homalaspis Brunner von Wattenwyl 1895, Monogr. Pseudophylliden, 9: 217 (a junior homonym of Homalaspis Milne Edwards 1863). Direction 37

Homalaspis Kaier 1932, Skr. Svalbard Ishavet, Oslo, 52: 14 (a junior homonym of Homalaspis Milne Edwards 1863). Direction 37

Homalaspis Milne Edwards 1863, Ann. Sci. nat., Paris (Zool.), (4)20: 279 (conserved under the plenary power) (gender: feminine) (type species, by original designation: Xantho planus Milne Edwards 1834, in Roret’s Suites à Buffon, Hist. nat. Crust., 1: 397) (Crustacea, Decapoda). Opinion 85, Direction 50  

Homalaspis Reinhard 1860, Berlin. entomol. Z., 4: 239 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Direction 50  

Homalocephalus Jan 1863, Archivio per la Zoologia, l’Anatomia e la Fisiologia, 2(2): 286 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Reptilia, Serpentes). Opinion 1789

Homalopteridae Bleekcr 1859 (Osteichthyes, Cypriniformes): not given precedence over Balitoridae Swainson 1839. ICZN 1993: Opinion 1715

Homarus Broun 1881, Man. N.Z. Coleopt. (fasc. 2): 740 (a junior homonym of Homarus Weber 1795). Direction 37  

Homarus Milne Edwards 1837, in Roret’s Suites à Buffon, Hist. nat. Crust., 2: 334 (a junior homonym of Homarus Weber 1795). Direction 51

Homarus Weber 1795, Nomencl. entomol. Syst. Fabr.: 94 (gender: masculine) (type species, by designation by Rathbun 1904 (Proc. biol. Soc. Washington, 17: 170) and through Opinion 104 and Article 67e (1961 Code): Cancer gammarus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 631) (Crustacea, Decapoda). Opinion 104, Direction 51

hombergii Cuvier 1803 [originally in Tritonia], Ann. Mus. Hist. nat., Paris, 1: 483 (specific name of the type species of Tritonia Cuvier [1797]) (Gastropoda). Opinion 668

hominis Danilewsky 1891 [originally in Laverania], Ann. Inst. Pasteur, 5(12): 780 (included in a work rejected for nomenclatural purposes). Opinion 283 

Homoceras Hyatt 1884, Proc. Boston Soc. nat. Hist., 23: 330 (gender: neuter) (type species, by designation under the plenary power: Goniatites smithii Brown 1841, Trans. geol. Soc. Manchester, 1: 218) (Cephalopoda). Opinion 1061 

Homola Leach 1815, Trans. linn. Soc. London, 11: 324 (gender: feminine) (type species, by monotypy: Homola spinifrons Leach 1815, Trans. linn. Soc. London, 11: 324, valid name: Cancer barbatus Fabricius 1793) (Crustacea, Decapoda). Opinion 522  

HOMOLIDAE (correction of HOMOLIDEA) de Haan 1839, in Siebold, Fauna japon. (Crustacea) (4): 102 (type genus: Homola Leach 1815) (Crustacea, Decapoda). Opinion 522 

Homoroselaps Jan 1858, Rev. Mag. Zool., (2)10: 518 (gender: masculine) (type species, by monotypy: Coluber hygeiae Shaw 1802, Gen. Zool. (Amph.), III(2): 487, valid name: Coluber lacteus Linnaeus 1758) (Reptilia). Opinion 1201

honoluliensis Brady 1880 [originally in Loxoconcha], Report on the Scientific Results of the voyage of H.M.S. Challenger during the years 1873-76, 1(3): 117, as defined by the lectotype designated by Puri & Hulings 1976, Bulletin of the British Museum (Natural History), Zoology, 29(5): 297 (specific name of the type species of Loxoconchella Triebel 1954) (Ostracoda). Opinion 1541

hookeri Leach 1814 [originally in Sphaeroma], in Brewster, The Edinburgh Encyclopaedia, vol. 7, p. 433 (Isopoda). Opinion 1574  

hoolock Harlan 1834 [originally in Simia], Trans. amer. phil. Soc, n.s., 4(1): 52 (Mammalia). Opinion 1219

Hoplites Agassiz 1846, Nomencl. zool. (Lep.): 36 (emendation of Hoplitis Hübner [1819]) (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 353

Hoplites Agassiz 1846, Nomencl. zool. Index Univ.: 185 (emendation of Aplites Rafinesque 1820) (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 353 

Hoplites Dejean 1833, Cat. Coléopt. (ed. 2): 150 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 353  

Hoplites Dejean 1836, Cat. Coléopt. (ed. 3): 150 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 353  

Hoplites Dejean 1837, Cat. Coléopt. (ed. 3): 167 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 353  

Hoplites Eggers 1923, Zool. Meded., 7: 141 (a junior homonym of Hoplites Neumayr 1875). Opinion 353 

Hoplites Kinel 1930, Polsk. Pismo entomol., 8: 219 (a junior homonym of Hoplites Neumayr 1875). Opinion 353

Hoplites Koch 1869, Z. Ferd. Tirol, (3)14: 155 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 353  

Hoplites Neumayr 1875, SitzBer. Kais. Akad. Wiss. Wien (Math. nat. Cl.), 71(1): 681; id., 1875, Z. deutsche geol. Ges., 27: 925 (conserved under the plenary power) (gender: masculine) (type species, by designation under the plenary power: Ammonites dentatus Sowerby 1821, Min. Conch., 4: 3, pl. 308, as interpreted by Spath 1925 (Mon. Ammonoidea of the Gault (Pal. Soc.), 1: 10)) (Cephalopoda). Opinion 353

Hoplites Philippi 1857, Arch. Naturgesch., 23 (Abt. 1): 320 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 353

Hoplites Theobald 1864, J. asiatic Soc. Bengal, (1)33: 244 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 353

Hoplites, any use of, in the Order Coleoptera, prior to the publication of Hoplites Neumayr 1875 (Cephalopoda, Ammonoidea) (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy). Opinion 353

HOPLITIDAE (correction by Hyatt 1900 (in Eastman’s Zittel, Textb. Palaeont., 1: 584) of HOPLITIDES) Douvillé 1890, Bull. Soc. géol. France, (3)18: 290 (type genus: Hoplites Neumayr 1875) (Cephalopoda). Opinion 353 

HOPLITIDES Douvillé 1890, Bull. Soc. géol. France, (3)18: 290 (type genus: Hoplites Neumayr 1875) (an incorrect original spelling for HOPLITIDAE Douvillé 1890). Opinion 353 

Hoplitoplacenticeras Paulcke 1906, Ber. naturf. Ges. Freiburg, 15: 183 (p. 17 of separate) (conserved under the plenary power) (gender: neuter) (type species, by designation under the plenary power: Hoplites plasticus Paulcke 1906, Ber. naturf. Ges. Freiburg, 15: 186 (p. 20 of separate), as interpreted by the lectotype designated by Wright 1957 (Bull. zool. Nomencl., 13: 223)) (Cephalopoda). Opinion 554  

HOPLOPHORIDAE Faxon 1895, Mem. Mus. comp. Zool., 18: 159 (type genus: Oplophorus Milne Edwards 1837) (an incorrect subsequent spelling for OPLOPHORIDAE Dana 1852). Opinion 470 

Hoplophorus Agassiz 1846, Nomencl. zool. Index Univ.: 185, 262 (an unjustified emendation of Oplophorus Milne Edwards 1837). Opinion 470 

Hoplothrips Amyot & Serville 1843, Hist. nat. Ins., Hémipt.: 640 (gender: masculine) (type species, by designation by Karny 1912 (Zool. Annln., 4: 323): Trips corticis de Geer 1773, Mém. Hist. Ins., 3: 11) (Insecta, Thysanoptera). Opinion 865  

Horatocraspedon Holmberg 1917, Anales del Museo Nacional de Historia Natural de Buenos Aires, 28: 553 (suppressed under the plenary power for the purposes of both the Principle of Priority and the Principle of Homonymy) (Insecta, Hymenoptera). Opinion 2069  

Horia Fabricius 1787, Mantissa Insectorum, part 1, p. 164 (gender: feminine) (type species, by subsequent designation by Betrem 1929, Tijdschrift voor Entomologie, 72: xxvii: Horia fabriciana Betrem 1929) (Insecta, Coleoptera). Opinion 1918  

HORIIDAE Latreille 1802, Histoire naturelle, générale et particulière des crustacés et des insectes ., vol. 3, p. 182 (type genus: Horia Fabricius 1787), ruled under the plenary power that this name and other family-group names based on Horia are not to be given priority over MELOIDAE Gyllenhal 1810 and NEMOGNATHINAE Castelnau 1840 and other family-group names based on Meloe Linnaeus 1758 and Nemognatha Illiger 1807 whenever their type genera are placed in the same family-group taxon (Insecta, Coleoptera). Opinion 1918

horridus Linnaeus 1758 [originally in Cancer], Systema Naturae, Ed. 10, vol. 1, p. 629 (specific name of the type species of Daldorfia Rathbun 1904) (Crustacea, Decapoda). Opinion 696

horridus Linnaeus 1758 [originally in Crotalus], Systema Naturae, Ed. 10, vol. 1, p. 214 (specific name of the type species of Crotalus Linnaeus 1758) (Reptilia). Direction 57  

horridus Rüppell 1830 [originally in Oreophorus], Beschr. Krabben rothen Meeres: 19 (specific name of the type species of Oreophorus Rüppell 1830) (Crustacea, Decapoda). Direction 36 

hortensis Férussac 1819 [originally in Arion], Hist. nat. gén. partic. Moll. terrestr. fluviat., 2(1): 65 (Gastropoda). Opinion 336  

hortensis Férussac 1819 [originally in Arion], Histoire naturelle, générale et particulière des mollusques terrestres et fluviatiles ..., p. 65, as defined by the lectotype designated by De Winter 1984, Zoologische Mededelingen, Leiden, 59(1): 3 (specific name of the type species of Kobeltia Seibert 1873) (Gastropoda). Opinion 1679 

hortensis Müller 1774 [originally in Helix], Verm. terrestr. fluviat. Hist., 2: 52 (Gastropoda). Opinion 336

hortensis Fitch 1863 [originally in Sminthurus], 8th Ann. Rep. N.Y. agric. Soc.: 668 (specific name of the type species of Bourletiella Banks 1899) (Insecta, Collembola). Opinion 291  

horticola De Geer 1776 [originally in Musca], Mémoires pour servir à l’histoire des Insectes, vol. 6, p. 140, ruled under the plenary power that all previous type fixations are set aside and the male specimen labelled Sweden, Sk, Höör Lillöbukten, 2.viii.1980, leg. A.C. Pont, ‘Eristalis horticola Deg. det. Tore Nielsen’ is designated as the neotype (Insecta, Diptera). Opinion 2153  

hortorum Linnaeus 1758 [originally in Tipula], Systema Naturae, Ed. 10, vol. 1, p. 585 (Insecta, Diptera). Opinion 834

hortulana Linnaeus 1758 [originally in Tipula], Systema Naturae, Ed. 10, vol. 1, p. 588 (specific name of the type species of Bibio Geoffroy 1762) (Insecta, Diptera). Opinion 441

hospes Beyrich 1846 [originally in Harpides], Untersuchungen über Trilobiten, p. 34 (specific name of thetype species of Harpides Beyrich 1846) (Trilobita). Opinion 1436 

hottentota Eyton 1838 [originally in Querquedula], Mon. Anatidae: 129 (Aves). Opinion 1078  

houttuyni Walbaum 1792 [originally in Esox], Artedi Ichthyol., 3: 88 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 900 

howardi Barber 1947 [originally in Diabrotica undecimpunctata], Proceedings of the Entomological Society of Washington, 49: 153 (Insecta, Coleoptera). Opinion 1709