Original description as Fundulus oaxacae:
- Meek, Seth Eugene. 1902. "A contribution to the ichthyology of Mexico". Field Columbian Museum Publication. V. 3(n. 6), pp. 63-128 (ffm00269)
Conservation: Profundulus oaxacae is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.