Original description as Poeciliopsis benschi:
- Meyer, Manfred & A.C. Radda, R. Riehl, W. Feichtinger. 1986. "Poeciliopsis baenschi n. sp., un nouveau taxon de Jalisco, Mexique (Teleostei, Poeciliidae)". Revue française d'Aquariologie et Herpetologie. 12(3):79-84 (ffm00025)
Conservation: Poeciliopsis baenschi is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.