Pseudotropheus Regan [C. T.] 1922:681 Masc. Chromis williamsi Günther 1894. Type by original designation. •Valid as Pseudotropheus Regan 1922 -- (Ribbink et al. 1983:157 [ref. 13555], Trewavas 1984 [ref. 5303], Meyer & Foerster 1984 [ref. 6645], Stauffer 1988 [ref. 6678], Maréchal 1991:401 [ref. 20944], Poll & Gosse 1995:291 [ref. 24781], Stauffer et al. 1997:189 [ref. 23216], Stauffer & Kellogg 2001:150 [ref. 25895], Ufermann 2001:58 [ref. 30286], Konings-Dudin et al. 2009:37 [ref. 30309], Oliver & Arnegard 2010:227 [ref. 31027], Konings 2016:26 [ref. 34521], Stauffer et al. 2016:169 [ref. 34671], Konings et al. 2024:181 [ref. 40750]). Current status: Valid as Pseudotropheus Regan 1922. Cichlidae: Pseudocrenilabrinae.