186 



GENERIC NAMES 



Vulsclla [Roding], 1798, Mus. bolten. (2) : 156 (gender : 

 feminine) (type species, by absolute tautonymy : Mya vulsella 

 Linnaeus, 1758, Syst. Nat. (ed. 10) 1 : 671) (Bivalvia) 0. 

 325 



Vulselligenus [Renier], [1807], [Tav. serv. Class. Conn. Anitn.} 

 : Tav. VII (included in a work rejected for nomenclatural 

 purposes) 0. 427 



VVeberides Reed, 1942, Ann. Mag. not. Hist. (11) 9 : 653 

 (gender : masculine) (type species, by original designation : 

 Phillipsia mucronata McCoy, 1844,Syn. Char. Carb. Limest. 

 Foss. Ireland : 162, pi. iv, fig. 8) (Trilobita) 0. 352 



Westenoceras Foerste, 1924, Denison Univ. Bull. Sci. Lab. J. 

 20 : 196, 253, 254 (ruled under the plenary powers to be an 

 incorrect original spelling for Westonoceras Foerste, 1924) 

 0.593 



Westonoceras (emend, under the plenary powers of Westen- 

 oceras) Foerste, 1924, Denison Univ. Bull. Sci. Lab. J. 20 : 

 196, 253, 254 (gender : neuter) (type species, by original 

 designation : Cyrtoceras manitobense Whiteaves, 1890, Proc. 

 Trans, roy. Soc. Canada 7 (4) : 80) (Cephalopoda) 0. 593 



Willemoesia Grote, 1873, Nature, London 8 : 485 (gender : 

 feminine) (type species, by monotypy through the replaced 

 name Deidamia von Willemoes-Suhm, 1873 : Deidamia 

 leptodactyla von Willemoes-Suhm, 1873, in Thomson.Afa- 

 ture, London 8:51) (Crustacea, Decapoda) 0. 519 



Woehrmannia Boehm, 1895, Palaeontographica 42 : 227 

 (gender : feminine) (type species, by designation under the 

 plenary powers : Woehrmannia boehmi Kittl, 1899, Ann. 

 Naturh. Hofmus. Wien 14 : 19) (Gastropoda) 0. 639 



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) (Crustacea, Decapoda) 0. 712 



Xancus [Roding], 1798, Mus. bolten. 2 : 134 (suppressed under 

 the plenary powers for the purposes of the Principle of 

 Priority but not for those of the Principle of Homonymy) 0. 

 489 



Xanthasia White, 1846, Ann. Mag. not. Hist. 18 : 176 (gender 

 : feminine) (type species, by monotypy : Xanthasia murigera 

 White, 1846, Ann. Mag. not. Hist. 18 : 177) (Crustacea, 

 Decapoda) 0. 85, Direction 37 



Xanthia Fairmaire, 1893, Ann. Soc. entomol. France 62 : 31 

 (a junior homonym of Xanthia Ochsenheimer, 1816) 0. 789 



Xanthia Hiibner, 1808, Erste Zutr. Samml. exot. Schmett. : 4 

 (included in a work rejected for nomenclatural purposes) 0. 

 789 



Xantho Dutrochet, 1819, Bull. Sci. Soc. philomat. Paris 1819 

 : 155 (a junior homonym of Xantho [Leach, 1814]) 0. 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. 1 (2) 

 : 391) (Crustacea, Decapoda) 0. 423 



Xanthocastnia Houlbert, 1918, in Oberthur, Etudes Lepidopt. 

 comp. 15 : 257 (gender : feminine) (type species, by original 

 designation : Papilio evalthe Fabricius, 1775, Syst. Entomol. 

 : 480) (Insecta, Lepidoptera) 0. 620 



Xanthodius Stimpson, 1 859, Ann. Lyceum not. Hist. New York 

 1 : 52 (gender : masculine) (type species, by monotypy : 

 Xanthodius sternbcrghii Stimpson, 1859, Ann. Lyceum not. 

 Hist. New York 7 : 52) (Crustacea, Decapoda) 0. 85, 

 Direction 37 



Xantholinus Dejean, 1821, ex Dahl, Cat. coll. coleopt. Dejean 

 : 23 (gender : masculine) (type species, by designation under 

 the plenary powers : Staphylinus linearis Olivier, 1794, 

 Entomologie, hist. not. Ins. 3 (42) : 19, pi. 4, fig. 38) 

 (Insecta, Coleoptera) 0. 1250 



Xanthus Agassiz, 1843, Nomencl. Zool. (Crust.) : 28 (an 

 unjustified emendation of Xantho [Leach, 1814]) 0. 423 



Xenocrepis Foerster, 1856, Hym. Stud. Aachen (2) : 64 (gender 

 : feminine) (type species, by designation under the plenary 

 powers : Xenocrepis pura Mayr, 1904, Verh. zool.-bot. Ges. 

 Wien 54, Heft 8, 9 : 584) (Insecta, Hymenoptera) 0. 1297 



Xenogale Allen, 1919, J. Mamm. 1 : 27 (gender : feminine) 

 (type species, by original designation : Xenogale microdon 

 Allen, 1919, /. Mamm. 1 : 27) (Mammalia) 0. 384 



Xenophora Fischer von Waldheim, 1807, Museum-Demidoff3 : 

 213 (validated under the plenary powers) (gender : feminine) 

 (type species, by designation by Harris, 1897 (Cat. Tertiary 

 Moll. B.M.fN.H.), Pt. 1, The Australasian Tertiary Mol- 

 lusca : 253) : Xenophora laevigata Fischer von Waldheim, 

 1807, Museum-Demidoff3 : 213) (Gastropoda) 0. 715 



Xenophthalmodes Richters, 1880, in Moebius, Beitr. Meeresf. 

 Insel Mauritius Seychellen (3) Decap. : 155 (gender : 

 masculine) (type species, through Article 68b(i) : Xen- 

 ophthalmodes moebii Richters, 1880, in Moebius, Beitr. 

 Meeresf. Insel Mauritius Seychellen (3) Decap. : 155) 

 (Crustacea, Decapoda) 0. 85, Direction 37 



Xenophthalmus White, 1846, Ann. Mag. not. Hist. 18 : 177 

 (gender : masculine) (type species, by monotypy : Xen- 

 ophthalmus pinnotheroides White, 1846, Ann. Mag. not. 

 Hist. 18 : 178) (Crustacea, Decapoda) 0. 85, Direction 37 



Xenostegium Walcott, 1924, Smithson. misc. Coll. 75 (2) : 60, 

 pi. 1 3, fig. 5 (gender : neuter) (type species, by designation 

 under the plenary powers : Megalaspis belemnurus White, 

 1874, U. S. Army, Geogr. Geol. Expl. Surv. W. 100th 

 Meridian, Prelim. Rep. Invert. Foss. : 1 1) (Trilobita) 0. 672 



Xerophila Held, 1837, Isis (Oken) 1837 : 9 1 3 (a junior objective 

 synonym of Theba Risso, 1826) 0. 431 



Xilocopa Latreille, 1802, Hist. not. Fourmis : 432 (suppressed 

 under the plenary powers for the purposes of the Principle 

 of Priority but not for those of the Principle of Homonymy) 

 0.743 



Xiphias Linnaeus, 1758, Syst. Nat. (ed. 10) 1 : 248 (gender : 

 masculine) (type species, by monotypy : Xiphias gladius 

 Linnaeus, 1758, Syst. Nat. (ed. 10) 1 : 248) (Osteichthyes) 

 0.75 



Xiphisura Briinnich, 1771, Zool. Fund. : 184 (an incorrect 

 original spelling for Xiphosura Briinnich, 1771) 0. 320 



Xiphiurus Smith, 1847, Illustrations of the Zoology of South 

 Africa, Pisces, pi. xxxi (suppressed under the plenary powers 

 for the purposes of the Principle of Priority but not for those 

 of the Principle of Homonymy) 0. 1 200 



Xiphocaridina Bouvier, 1909, C.R. Acad. Sci., Paris 148 : 1729 

 (a junior objective synonym of Paratya Miers, 1882) 0. 470 



