Original description as Haplochromis theliodon:
- Greenwood, Peter Humphry. 1960. "A Revision of the Lake Victoria Haplochromis Species (Pisces, Cichlidae), part IV". Bulletin of the British Museum (Natural History) Zoology Series. v. 6; n. 4; pp. 227-281 (crc01037)
Conservation: Haplochromis theliodon is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (CR) critically endangered (2010).