Original description:
- Trewavas, Ethelwynn. 1961. "A New Cichlid Fish in the Limpopo basin". Annals of the South African Museum. 46:t5:53-56 (crc01053)
Type species: Chetia flaviventris Trewavas, 1961 (original designation).
Described species included (6):
valid: 6- Pelmatochromis welwitschi Boulenger, 1898 (valid)
- Chetia flaviventris Trewavas, 1961 (valid)
- Chetia brevis Jubb, 1968 (valid)
- Chetia mola Balon & Stewart, 1983 (valid)
- Serranochromis gracilis Greenwood, 1984 (valid)
- Chetia brevicauda Bills & Weyl, 2002 (valid)