| Amphibians and reptiles from Ecuador, Venezuela, and Yucatan Henry W Fowler (1913) Proc. Acad. Nat. Sci. Philadelphia 1913: 153-176 | |
| Frogs of the genus Eleutherodactylus (Leptodactylidae) in western Ecuador: systematics, ecology, and biogeography John D Lynch and William E Duellman (1997) University of Kansas Museum of Natural History Special Publication 23: 1-236 |