Original description as Aequidens epae:
- Kullander, Sven. 1995. "Three new cichlid species from southern Amazonia: Aequidens gerciliae, A. epae and A. michaeli". Ichthyological Explorations of Freshwaters. pp. 149-170 (crc00099)
Conservation: Aequidens epae is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.