Original description as Limnochromis permaxillaris:
ZooBank:21D45B8A-2065-42ED-A7A9-3D2BADFED1F6.
- David, Lore. 1936. "Contribution à l'étude de la faune ichthyologique du lac Tanganyka". Revue de Zoologie et Botanique Africaines. v. 28; n. 2; pp. 149-160 (crc01062)
Conservation: Gnathochromis permaxillaris is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2006).