Typový druh
Katria katria (Reinthal & Stiassny, 1997).
Původní popis
Stiassny, M. L. J. & Sparks, J. S. 2006. Phylogeny and taxonomic revision of the endemic Malagasy genus Ptychochromis (Teleostei: Cichlidae), with the description of five new species and a diagnosis for Katria, new genus. American Museum Novitates No. 3535: 1-55.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.