Ceratophrys calcarata Boulenger, 1890

Holotype: BMNH 1947.2.17. 28 (formerly 89.12.16.168).

Type locality: “ Colombia.”

Distribution: Region 3, 6. Caribbean lowlands of Colombia and Venezuela. In Venezuela, distribution is in the northwestern portion of the country (Maracaibo Lake Basin, Falcón and Lara States), with a disjunct population in the surroundings of Puerto Ayacucho, southeast of the Orinoco River in Amazonas State.

Remarks: Faivovich et al. (2014) recovered the phylogenetic relationships of the family Ceratophryidae, placing Ceratophrys calcarata as a sister species of C. cornuta .

Selected references: Boulenger (1890); Lutz (1927); Ginés (1959); Rivero (1961, 1964b); Lynch (1982); La Marca (1986, 1995a); Mijares-Urrútia and Arends (1993); Frost et al. (2006); Faivovich et al. (2014).