Costa, W.J. 2007.

Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae)

. Zootaxa. 1669, 1 (Dec. 2007), 1–134. DOI:https://doi.org/10.11646/zootaxa.1669.1.1.