International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
Ic
icarus Cramer [1775] [originally in Papilio], Uitl. Kapellen, 1(2): 26, pl. 18, figs. A, B (a junior primary homonym of icarus Rottemburg 1775 [originally in Papilio]). Direction 96
icarus Rottemburg 1775 [originally in Papilio], Der Naturforscher, Halle, 6: 21 (specific name of the type species of Polyommatus Latreille (1804)) (Insecta, Lepidoptera). Direction 96
icasia Cramer 1777 [originally in Phalaena], Uitl. Kapellen, 2: 130, pl. 181, fig. E (specific name of the type species of Hypercompe Hübner [1819]) (Insecta, Lepidoptera). Opinion 789
Iccius Dohrn 1859, Catalogus Hemipterorum: 52 (rendered invalid in relation to Orthunga Dohrn 1859, by the first reviser action of Wygodzinsky 1966 (Bull. amer. Mus. nat. Hist., 133: 146)). Opinion 1260
Ichneumia Geoffroy Saint-Hilaire 1837, C.R. Acad. Sci., Paris, 5: 580; id., 1837, Ann. Sci. nat., Paris (Zool.), (2)8: 251 (gender: feminine) (type species, by designation by Geoffroy Saint-Hilaire 1839 (Mag. Zool., (2)1: 4): Herpestes albicaudus Cuvier 1829, Règne Anim. (ed. 2), 1: 158) (Mammalia). Opinion 384
Ichneumon Lacepède 1799, Tabl. Mamm.: 7 (a junior homonym of Ichneumon Linnaeus 1758). Opinion 384
Ichneumon Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 560 (gender: masculine) (type species, by designation under the plenary power: Ichneumon extensorius Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 561) (Insecta, Hymenoptera). Opinion 159
ichneumon Linnaeus 1758 [originally in Viverra], Systema Naturae, Ed. 10, vol. 1, p. 43 (specific name of the type species of Herpestes (emendation of Herpertes) Illiger 1811) (Mammalia). Opinion 384
Ichnotropis Peters 1854, Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin, 1854: 617 (gender: feminine) (type species, by subsequent designation by FitzSimons 1943, The Lizards of South Africa. Transvaal Museum Memoirs, vol. 1, p. 349: Ichnotropis macrolepidota Peters 1854, a junior subjective synonym of Algyra capensis A. Smith 1838) (Reptilia, Sauria). Opinion 1422
ICHTHYOPHIIDAE Taylor 1968, The caecilians of the world: a taxonomic review, p. 46, original spelling confirmed by the Commission (type genus: Ichthyophis Fitzinger 1826), ruled under the plenary power that this name and other family-group names based on Ichthyophis are to be given precedence over EPICRIUMIDAE Fitzinger 1843 and other family-group names based on Epicrium Wagler 1828 whenever their type genera are placed in the same family-group taxon (Amphibia, Gymnophiona). Opinion 1604, Opinion 1749
Ichthyophis Fitzinger 1826, Neue Classification der Reptilien nach ihren natürlichen verwandtschaften nebst einer Verwandtschaftstafel und einem Verzeichnisse der Reptiliensammlung des KK. zoologischen Museums zu Wien, p. 36 (gender: masculine) (type species, by monotypy: Caecilia glutinosa Linnaeus 1758) (Amphibia, Gymnophiona). Opinion 1604
icterodes Nitzsch 1818 [originally in Philopterus], Mag. Entomol. (Germar), 3: 290, as interpreted by the neotype designated by Clay & Hopkins 1960 (Bull. Brit. Mus. (nat. Hist.) Entomol., 9: 37, figs. 59-61, pl. 2, fig. 3) (specific name of the type species of Anatoecus Cummings 1916) (Insecta, Mallophaga). Opinion 629
Icticyon Lund 1842, Overs. K. Dansk Vidensk. Selsk. Forhandl. Kjobenhavn, 1842(6): 80 (gender: masculine) (type species, by monotypy through the replaced name Cynogale Lund 1842: Icticyon venaticus Lund 1842, Overs. K. Dansk Vidensk. Selsk. Forhandl. Kjobenhavn, 1842(6): 80) for use by those who consider on taxonomic grounds that Icticyon Lund is distinct from the fossil genus Speothos Lund 1839 (Mammalia). Opinion 384
Ictiobus Rafinesque 1820, Ichthyologia Ohiensis, or natural history of the fishes inhabiting the river Ohio and its tributary streams in the Western Review and Miscellaneous Magazine, vol. 2(5), p. 299 [301] (gender: masculine) (type species, by subsequent designation by Agassiz 1854, American Journal of Science and Arts, (2)17(38): 354: Catostomus bubalus Rafinesque 1818), ruled under the plenary power to be the correct original spelling of Ictiorus (Osteichthyes, Cypriniformes). Opinion 1582
Ictiorus Rafinesque 1820, Ichthyologia Ohiensis, or natural history of the fishes inhabiting the river Ohio and its tributary streams in the Western Review and Miscellaneous Magazine, vol. 2(5), p. 299 [301], ruled under the plenary power to be an incorrect original spelling of Ictiobus (Osteichthyes, Cypriniformes). Opinion 1582
Ictonyx Kaup 1835, Das Thierr., 1: 352 (gender: masculine) (type species, by monotypy: Ictonyx capensis Kaup 1835, Das Thierr., 1: 352, valid name: Bradypus striatus Perry 1810) (Mammalia). Opinion 818