Original description as Phallichthys fairweatheri:
ZooBank:038F50A1-EBB3-466F-85D2-3C2474329AA6.
- Rosen, Donn E & R.M. Bailey. 1959. "Middle-American poeciliid fishes of the genera Carlhubbsia and Phallichthys with descriptions of two new species". Zoologica, Scientific Contributions of the New York Zoological Society. 44(1):1-44 (ffm04593) (abstract)
Conservation: Phallichthys fairweatheri is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2018).