Original description as Floridichthys carpio polyommus:
- Hubbs, Carl Leavitt. 1936. "Fishes of the Yucatan Peninsula". Carnegie Institute Washington Publications. (457)157-287 (ffm00250)
- Floridichthys carpio barbouri Hubbs, 1936, with type locality at Cienaga, 2 kilometers southwest of Progreso, 21°15'N, 89°39'W, Yucatán, Mexico. Determiner: Wildekamp, 1996
Conservation: Floridichthys polyommus is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.