International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
On
Oncomera Stephens 1829, The Nomenclature of British Insects, p. 20 (gender: feminine) (type species, by designation under the plenary power: Dryops femorata Fabricius 1792) (Insecta, Coleoptera). Opinion 1506
ONCOPODIDAE Thorell 1876, Annali del Museo civico di Storia Naturale di Genova, (1)9: 134 (type genus Oncopus Thorell 1876) (Arachnida): proposed conservation of the names not approved. Opinion 2189 (Case 3350)
Oncopus Herrich-Schäffer 1855, Systematische Bearbeitung der Schmetterlinge von Europa, zugleich als Text, Revision und Supplement zu Jakob Hübner’s Sammlung Europäischer Schmetterlinge, vol. 6, p. 99 (gender: masculine) (type species, by subsequent designation by Prout in Strand (1934), Paidia citrosa Geyer 1832) (Lepidoptera) Opinion 2189
Oncopus Thorell 1876, Annali del Museo civico di Storia Naturale di Genova, (1)9: 134 (Arachnida): proposed conservation of the names not approved. ICZN 2008: Opinion 2189 (Case 3350)
Oncotylus Fieber 1858, Wien. entomol. Monats., 2: 318 (gender: masculine) (type species, by designation under the plenary power: Oncotylus punctipes Reuter 1873, Bihang. K. svensk. Vetensk.-Akad. Handl., Stockholm, 3 (No. 1): 42) (Insecta, Hemiptera). Opinion 252
Ondatra Link 1795, type species Mus zibethicus Gmelin 1778, confirmed by Opinion 55
Oniscidia Gray 1847, Proc. zool. Soc. London (15): 137 (an incorrect subsequent spelling for and published in synonymy with Oniscia Sowerby 1824). Opinion 1040
Oniscidia Mörch 1852, Catalogus Conchyliorum quae reliquit D.A. d’Aguirra & Gadea, Comes de Yoldi, Hafniae: 111 (gender: feminine) (type species, by monotypy: Oniscia cancellata Sowerby 1824, The Genera of Recent and Fossil Shells (24), London: no pagination, but follows pl. 233) (Gastropoda). Opinion 1040
Oniscidia Swainson 1840, A Treatise on Malacology, London: 299 (an incorrect subsequent spelling for Oniscia Sowerby 1824). Opinion 1040
Oniscus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 636 (gender: masculine) (type species, by designation by Audouin 1823, Cloporte. Oniscus, in Bory de Saint-Vincent (Ed.), Dictionnaire classique d’histoire naturelle, vol. 4, p. 222: Oniscus asellus Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 637) (Crustacea, Isopoda). Opinion 104, Opinion 1837, Direction 88
oniscus Linnaeus 1767 [originally in Strombus], Systema Naturae, Ed. 12, vol. 1, part 2, p. 1210 (valid name at the date of Opinion 1040 of the type species of Morum [Röding] 1798) (Gastropoda). Opinion 1040
onocrotalus Linnaeus 1758 [originally in Pelecanus], Systema Naturae, Ed. 10, vol. 1, p. 132 (specific name of the type species of Pelecanus Linnaeus 1758) (Aves). Direction 68
Onthotrogus Motschulsky 1859, Études Entomologiques, 8: 153 (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 1708
Onychites Bertrand 1763, Dict. Univ. Foss. Propres Foss. Accid., 2: 80 (included in a work rejected for nomenclatural purposes). Opinion 592
Onychiurus Gervais 1841, Écho Monde savant, 8: 372 (gender: masculine) (type species, by original designation: Podura ambulans Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 608) (Insecta, Collembola). Opinion 291
Onycholyda Takeuchi 1938, Tenthredo, 2: 218 (gender: feminine) (type species, by designation under the plenary power: Pamphilius viriditibialis Takeuchi 1930, Trans. Kansai entomol. Soc., 1: 13) (Insecta, Hymenoptera). Opinion 1087
Onychomorpha Stimpson 1858, Proc. Acad. nat. Sci. Philadelphia, 1858: 162 (gender: feminine) (type species, by monotypy: Onychomorpha lamelligera Stimpson 1858, Proc. Acad. nat. Sci. Philadelphia, 1858: 162) (Crustacea, Decapoda). Opinion 73