Original description as Geophagus brachybranchus:
ZooBank:00CB7CBC-E4D7-495C-A482-8355005C755D.
- Kullander, Sven & H. Nijssen. 1989. "The Cichlids of Surinam (Teleostei: Labroidei)". E. J. Brill, Leiden. Cichlids Surinam. i-xxxii + 1-256 (crc00290)
Conservation: Geophagus brachybranchus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2009).