Original description:
- Regan, Charles Tate. 1920. "The Classification of the Fishes of the Family Cichlidae.-I. The Tanganyika Genera". Annals and Magazine of Natural History. [Series 9]5:25:33-53 (crc00028)
Type species: Chromys thumbergi de Castelnau, 1861 (original designation).
Described species included (22):
valid: 15 synonym: 7- Chromys thumbergi de Castelnau, 1861 (valid)
- Chromys levaillantii Castelnau , 1861 (synonym)
- Hemichromis robustus Günther, 1864 (valid)
- Hemichromis jallae Boulenger, 1896 (valid)
- Paratilapia macrocephala Boulenger, 1899 (valid)
- Paratilapia angusticeps Boulenger, 1907 (valid)
- Paratilapia longimanus Boulenger, 1911 (valid)
- Paratilapia kafuensis Boulenger , 1912 (synonym)
- Pelmatochromis genisquamulatus Pellegrin, 1914 (synonym)
- Paratilapia ellenbergeri Gilchrist & Thompson, 1917 (synonym)
- Paratilapia zambesensis Gilchrist & Thompson, 1917 (synonym)
- Pelmatochromis ngamensis Gilchrist & Thompson, 1917 (synonym)
- Pelmatochromis tanganyicae Borodin, 1931 (synonym)
- Serranochromis janus Trewavas, 1964 (valid)
- Serranochromis spei Trewavas, 1964 (valid)
- Serranochromis stappersi Trewavas, 1964 (valid)
- Serranochromis meridianus Jubb, 1967 (valid)
- Serranochromis altus Winemiller & Kelso-Winemiller, 1991 (valid)
- Serranochromis alvum Stauffer, Bills & Skelton, 2021 (valid)
- Serranochromis cuanza Stauffer, Bills & Skelton, 2021 (valid)
- Serranochromis swartzi Stauffer, Bills & Skelton, 2021 (valid)
- Serranochromis cacuchi Stauffer, Bills & Skelton, 2021 (valid)