frederici, Chromys Castelnau [F. L.] 1861:15 [Mémoire sur les poissons de l'Afrique australe; ref. 767] Lake Ngami, Botswana, southern Africa. No types known. Type catalog: Bauchot et al. 1978:45 [ref. 20862]. Original genus should have been Chromis. •As nomen dubium in synonymy of Sargochromis greenwoodi (Bell-Cross 1975). Nomen Dubium. Current status: Uncertain as Sargochromis greenwoodi (Bell-Cross 1975). Cichlidae: Pseudocrenilabrinae. Habitat: freshwater.