International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
taxa names:
Xa
Xaiva MacLeay 1838, in Smith’s Illustr. Zool. S. Afr. (Invert.): 62 (gender: feminine) (type species, by monotypy: Xaiva pulchella MacLeay 1838, in Smith’s Illustr. Zool. S. Afr. (Invert.): 62, valid name: Portunus biguttatus Risso 1816) (Crustacea, Decapoda). Opinion 712
XANCIDAE Woodring 1928, Publ. Carnegie Inst. Washington, No. 385: 250-252 (type genus: Xancus [Röding] 1798) (invalid (i) because the name of the type genus has been suppressed under the plenary power and (ii) because it is a junior objective synonym of TURBINELLIDAE Swainson 1840). Opinion 489
Xancus [Röding] 1798, Mus. bolten., 2: 134 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy). Opinion 489
Xanthasia White 1846, Ann. Mag. nat. Hist., 18: 176 (gender: feminine) (type species, by monotypy: Xanthasia murigera White 1846, Ann. Mag. nat. Hist., 18: 177) (Crustacea, Decapoda). Opinion 85, Direction 37
Xanthia Fairmaire 1893, Ann. Soc. entomol. France, 62: 31 (a junior homonym of Xanthia Ochsenheimer 1816). Opinion 789
Xanthia Hübner 1808, Erste Zutr. Samml. exot. Schmett.: 4 (included in a work rejected for nomenclatural purposes). Opinion 789
XANTHIDAE MacLeay 1838, in Smith, Illustrations Zoology South Africa (Invertebratae): 59 (type genus: Xantho [Leach 1814]) (Crustacea, Decapoda). Opinion 423
Xantho [Leach 1814], in Brewster’s Edinburgh Ency., 7(2): 430 (gender: masculine) (type species, by monotypy: Cancer incisus [Leach 1814], in Brewster’s Edinburgh Ency., 7(2): 391) (Crustacea, Decapoda). Opinion 423
Xantho Dutrochet 1819, Bull. Sci. Soc. philomat. Paris, 1819: 155 (a junior homonym of Xantho [Leach 1814]). Opinion 423
Xanthocastnia Houlbert 1918, in Oberthur, Etudes Lépidopt. comp., 15: 257 (gender: feminine) (type species, by original designation: Papilio evalthe Fabricius 1775, Syst. Entomol.: 480) (Insecta, Lepidoptera). Opinion 620
Xanthodius Stimpson 1859, Ann. Lyceum nat. Hist. New York, 7: 52 (gender: masculine) (type species, by monotypy: Xanthodius sternberghii Stimpson 1859, Ann. Lyceum nat. Hist. New York, 7: 52) (Crustacea, Decapoda). Opinion 85, Direction 37
XANTHOLININI Erichson 1839, Genera et species staphylinorum insectorum coleopterorum familiae, part 1, p. 28 (type genus: Xantholinus Dejean 1821), ruled under the plenary power that this name and other family-group names based on Xantholinus are to be given precedence over AGRODINI Nordmann 1837 and GYROHYPNINI Kirby 1837 and other family-group names based on Agrodes Nordmann 1837 and Gyrohypnus Samouelle 1819 whenever their type genera are placed in the same family-group taxon (Insecta, Coleoptera). Opinion 1851
Xantholinus Dejean 1821, ex Dahl, Cat. coll. coleopt. Dejean: 23 (gender: masculine) (type species, by designation under the plenary power: Staphylinus linearis Olivier 1794, Entomologie, hist. nat. Ins., 3(42): 19, pl. 4, fig. 38) (Insecta, Coleoptera). Opinion 1250
Xanthus Agassiz 1843, Nomencl. Zool. (Crust.): 28 (an unjustified emendation of Xantho [Leach 1814]). Opinion 423
xanthus Linnaeus 1767 [originally in Papilio], Systema Naturae, Ed. 12, vol. 1, part 2, p. 751 (an incorrect original spelling for xuthus Linnaeus 1767 [originally in Papilio]). Opinion 286