Original description as Xiphophorus variatus evelynae:
ZooBank:EB25511F-E456-42C0-A6E4-CEEE976730DF.
- Rosen, Donn E. 1960. "Middle-American poeciliid fishes of the genus Xiphophorus". Bulletin of the Florida State Museum, Biological Sciences. 5(4):57-242 (ffm00047)
Conservation: Xiphophorus evelynae is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2018).