Incilius Cope, 1863, Proc. Acad. Nat. Sci. Philadelphia, 15: 50. Type species: Bufo coniferus Cope, 1862, by subsequent designation of Kellogg, 1932, Bull. U.S. Natl. Mus., 160: 29; the designation of Bufo cognatus Say, 1823, as type species by Frost, Grant, Faivovich, Bain, Haas, Haddad, de Sá, Channing, Wilkinson, Donnellan, Raxworthy, Campbell, Blotto, Moler, Drewes, Nussbaum, Lynch, Green, and Wheeler, 2006, Bull. Am. Mus. Nat. Hist., 297: 222, is in error, according to Frost, Mendelson, and Pramuk, 2009, Copeia, 2009: 418-419.
Cranopsis Cope, 1875 "1876", J. Acad. Nat. Sci. Philadelphia, Ser. 2, 8: 96. Type species: Cranopsis fastidiosus Cope, 1875 "1876", by monotypy. Junior homonym of Cranopsis Adams, 1860 (Mollusca) and Cranopsis Dall, 1871 (Brachiopoda). Synonymy by Frost, Mendelson, and Pramuk, 2009, Copeia, 2009: 418-419.
Ollotis Cope, 1875 "1876", J. Acad. Nat. Sci. Philadelphia, Ser. 2, 8: 98. Type species: Ollotis coerulescens Cope, 1875, by monotypy. Synonymy by Frost, Mendelson, and Pramuk, 2009, Copeia, 2009: 418-419.
Crepidius Cope, 1875 "1876", J. Acad. Nat. Sci. Philadelphia, Ser. 2, 8: 97. Type species: Crepidius epioticus Cope, 1875, by monotypy. Primary homonym of Crepidius Candeze, 1859 (Coleoptera).
Crepidophryne Cope, 1889, Bull. U.S. Natl. Mus., 34: 260. Replacement name for Crepidius Cope 1875 "1876".
Cranophryne Cope, 1889, Bull. U.S. Natl. Mus., 34: 20. Replacement name for Cranopsis Cope, 1875 "1876".
Central American Toads (Frost, McDiarmid, and Mendelson, 2008, in Crother (ed.), Herpetol. Circ., 37: 9; Liner and Casas-Andreu, 2008, Herpetol. Circ., 38: 17; Frost, McDiarmid, Mendelson, and Green, 2012, in Crother (ed.), Herpetol. Circ., 39: 16).
Cerro Utyum Toads (Crepidophryne [no longer recognized]: Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 44).
Southern USA south to Panama and then south along the Pacific versant to Ecuador.
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