GENERIC NAMES 



187 



Xipbocaris von Martens, 1872, Arch. Naturgesch. 38 (1) : 139 

 (gender : feminine) (type species, by monotypy : Hippolyte 

 elongatus Guerin-Meneville, 1856, in Sagra, Hist. Cuba, 

 Hist. nat. 7 : xx) (Crustacea, Decapoda) 0. 470 



Xiphopenaeus (emend, under the plenary powers of Xipho- 

 peneus) Smith, 1869, Trans. Connect. Acad. Arts Sci. 2 

 : 27 (gender : masculine) (type species, by monotypy : 

 Xiphopeneus harttii Smith, 1 869, Trans. Connect. Acad. Arts 

 Sci. 1 : 27) (Crustacea, Decapoda) 0. 864 



Xiphopeneus Smith, 1 869, Trans. Connect. Acad. Arts Sci. 2 : 

 27 (ruled under the plenary powers to be an incorrect original 

 spelling for Xiphopenaeus Smith, 1 869) 0. 864 



Xiphosura Brunnich, 1771, Zoo/. Fund. : 208 (suppressed under 

 the plenary powers for the purposes of the Principle of 

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

 320 



Xiphosura Gronovius, 1764, Zoophylac. gronov. 2 : 220 

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

 320 



Xiphosura Meuschen, 1778, Mus. gronov. : 83 (included in a 

 work rejected for nomenclatural purposes) 0. 320 



Xiphosura Scopoli, 1777, Introd. Hist. nat. : 405 (a junior 

 homonym of Xiphosura Brunnich, 1771) 0. 320 



Xyleborus Bowdich, 1825, Excursions in Madeira & Porto 

 Santo 1823 : xii, 149, figs. 35a-d (suppressed under the 

 plenary powers for the purposes of both the Principle of 

 Priority and the Principle of Homonymy) 0. 848 



Xyleborus Eichhoff, 1864, Berlin entomol. Z. 8 : 37 (gender : 

 masculine) (type species, by designation by Lacordaire, 1866 

 (Gen. Coleopt. 7 : 381) : Bostrichus monographus Fabricius, 

 1792, Entomol. Syst. 1 : 365) (Insecta, Coleoptera) 0. 848 



Xyletinus Latreille, 1809, Gen. Crust. Ins. 4 : 376 (gender : 

 masculine) (type species, by designation under the plenary 

 powers : Ptilinus ater Creutzer, 1 796, in Panzer, Ins. Germ., 

 heft 35, tab. 9) (Insecta, Coleoptera) 0. 966 



Xylocopa Latreille, [1802], in Sonnini's Buffon, Hist. nat. gen. 

 panic. Crust. Ins. 3 : 379 (gender : feminine) (type species, 

 by designation by Westwood, 1 840 (Introd. mod. Classific. 

 Ins., Gen. Synopsis : 86) : Apis violacea Linnaeus, 1758, 

 Syst. Nat. (ed. 10) 1 : 578) (Insecta, Hymenoptera) 0. 743 



Xylosteon Bertrand, 1763, Diet. Univ. Foss. Propres Foss. 

 Accid. 1 : 64 (included in a work rejected for nomenclatural 

 purposes) 0. 592 



Xymene Iredale, 1915, Trans. N. Z. Inst. 47 : 471 (gender : 

 masculine) (type species, by original designation : Trophon 

 plebejus Hutton, 1873, Cat. marine Moll. N. Z. : 9) (Gastro- 

 poda) 0.911 



Yakovlevia Fredericks, 1925, Rec. geol. Comm. Russian Far 

 East 40 : 7 (gender : feminine) (type species, by monotypy 

 : Yakovlevia kaluzinensis Fredericks, 1925, Rec. geol. Comm. 

 Russian Far East 40 : 7) (Brachiopoda) 0. 368 



Yakovlevia Vologdin, 1931, Archaeocyathinae Siber. 1 : 36 (a 

 junior homonym of Yakovlevia Fredericks, 1925) 0. 368 



Yerbua Forster, 1778, K. svensk. Vetensk.-Akad. Handl. 39 : 

 111 (suppressed under the plenary powers for the purposes 

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

 of Homonymy) 0. 730 



Yetus Bertrand, 1763, Diet. Univ. Foss. Propres Foss. Accid. 1 

 : 143 (included in a work rejected for nomenclatural purp- 

 oses) 0. 592 



Yoldia Moller, 1842, Index Moll. Groenl. : 18 (gender : femi- 

 nine) (type species, by designation under the plenary powers 

 : Yoldia hyperborea Torell, 1859, Bidrag till Spitsbergens 

 molluskfauna : 145-152) (Bivalvia) 0. 769 



Yoldiella Verrill & Bush, 1897, Amer. J. Sci. 3 : 55 (gender : 

 feminine) (type species, by original designation : Yoldia 

 lucida Loven, 1846, Ofvers. k. Vetenskaps Akad. Fdrh. 3 

 (6) : 188) (Bivalvia) 0. 1306 



Ypthima Hiibner, 1818, Zutr. z. Samml. exot. Schmett. 1:17 

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

 plenary powers : Ypthima huebneri Kirby, 1871, Syn. Cat. 

 diurn. Lep. : 95) (Insecta, Lepidoptera) 0. 819 



Zelima Fabricius, 1807, Mag. f. Insektenk. (Illiger) 6 : 279 

 (suppressed under the plenary powers for the purposes of 

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

 Homonymy) 0. 678 



Zenis Godman, [1900], in Godman & Salvin, Biol. centr.- 

 amer., Lep. Rhop. 2 : 588 (gender : feminine) (type species, 

 by designation under the plenary powers : Hesperia jebus 

 Plotz, 1882, Entomol. Ztg., Stettin 43 : 443) (Insecta, 

 Lepidoptera) 0. 832 



Zerynthia Ochsenheimer, 1816, Schmett. Europa 4 : 29 (gender 

 : feminine) (type species, through Thais Fabricius, 1807, 

 non Roeding, 1 798 : Papilio hypsipyle Fabricius, 1 776, Gen. 

 Ins. Mantissa : 265) (Insecta, Lepidoptera) 0. 1134 



Zeus Linnaeus, 1758, Syst. Nat. (ed. 10) 1 : 266 (gender : 

 masculine) (type species, by designation by Gill, 1 862 (Proc. 

 Acad. nat. Sci. Philadelphia 1862 : 126) : Zeus faber 

 Linnaeus, 1758, Syst. Nat. (ed. 10) 1 : 267) (Osteichthyes) 

 0. 77, Direction 56 



Zonitoides Lehmann, 1862, Malak. Bl. 9 : 111 (gender : 

 masculine) (type species, by monotypy : Helix nitida Miiller, 

 1774, Verm, terrestr. fluviat. Hist. 2 : 32) (Gastropoda) 0. 

 335 



Zonocerus Stal, 1873, Ofvers. K. svensk. Vetensk.-Akad. Fdrh. 

 30 (4) : 51 (gender : masculine) (type species, by designation 

 by Kirby, 1910 (Syn. Cat. Orth. 3:315): Gryllus elegans 

 Thunberg, 1815, Mem. Acad. Sci. St. Petersbourg 5 : 226) 

 (Insecta, Orthoptera) 0. 969 



Zorilla Geoffrey, 1826, Diet. Class. Hist. nat. 10 : 215 (sup- 

 pressed under the plenary powers for the purposes of the 

 Principle of Priority but not for those of the Principle of 

 Homonymy) 0. 818 



Zosimus Leach, 1823, in Desmarest, Diet. Sci. nat. 28 : 228 

 (gender : masculine) (type species, by monotypy : Cancer 

 aeneus Linnaeus, 1758, Syst. Nat. (ed. 10) 1 : 630) (Cru- 

 stacea, Decapoda) 0. 85, Direction 37 



Zosimus Schaufuss, 1886, Tijdschr. Entomol. 29 : 293 (a junior 

 homonym of Zosimus Leach, 1823) Direction 37 



Zozymodes Heller, 1861, Verh. zool.-bot. Ges. Wien 11 (Abh.) 

 : 8; id., 1861, SitzBer. Kais. Acad. Wiss. Men (Math.-nat. 

 Cl.) 43 (No. 1) : 327 (gender : masculine) (type species, by 

 monotypy : Zozymodes carinipes Heller, 1861, Verh. zool.- 

 bot. Ges. Wien 11 (Abh.) : 8; id., 1861, SitzBer. Kais. Acad. 

 Wiss. Wien (Math.-nat. Cl.) 43 (No. 1) : 327) (Crustacea, 

 Decapoda) 0. 85, Direction 37 



