1 literature reference for Cyprinodon variegatus riverendi (Poey, 1860):

Author: Huber, J.H.
Year: 1996
Title: Killi-Data 1996. Updated checklist of taxonomic names, collecting localities and bibliographic references of oviparous Cyprinodont fishes (Atherinomorpha, Pisces).
Source: Société Française d'Ichtyologie, Muséum National d'Histoire Naturelle, Paris, France, 399 p.