International Commission on Zoological Nomenclature:
OPINIONS and
Ib
Ibacus Leach 1815, Zool. Miscell., 2: 151 (gender: masculine) (type species, by monotypy: Ibacus peronii Leach 1815, Zool. Miscell., 2: 152) (Crustacea, Decapoda). Opinion 519
Iberolacerta Arribas 1999 (Reptilia). ICZN 2020: Opinion 2461
ibex Quenstedt 1843 [originally in Ammonites], Das Flözgebirge Württembergs, p. 179 (Ammonoidea). Opinion 2123
Ibiba Gray 1825, Annals of Philosophy, 10: 209 (suppressed under the plenary power for the purposes of the Principle of Priority but not for those of the Principle of Homonymy) (Reptilia, Serpentes). Opinion 1374
Ibidorhinchus David 1875, J. trois Voy. Chin., 1: 307 (an incorrect subsequent spelling for Ibidorhyncha Vigors [1832]). Direction 44
Ibidorhyncha Vigors [1832], Proc. zool. Soc. London, 1 (1830-31): 174 (gender: feminine) (type species, by monotypy: Ibidorhyncha struthersii Vigors [1832], Proc. zool. Soc. London, 1 (1830-31): 174) (Aves). Opinion 67
Ibidorhynchus Gray 1844, List Spec. Birds coll. Brit. Mus., 3: 95, 201 (an incorrect subsequent spelling for Ibidorhyncha Vigors [1832]). Direction 44