Tristramella Trewavas [E.] 1942:532 Fem. Hemichromis sacra Günther 1865. Type by being a replacement name. Replacement for Parachromis Regan 1922, preoccupied by Parachromis Agassiz 1859. Misspelled Tristamella on p. 532, spelled Tristramella throughout article. •Valid as Tristramella Trewavas 1942 -- (Krupp & Schneider 1989:401 [ref. 13651], Snoeks & Teugels 1991:519 [ref. 20951], Takahashi 2003:379 [ref. 27540], Stiassny et al. 2010:43 [ref. 31055]). Current status: Valid as Tristramella Trewavas 1942. Cichlidae: Pseudocrenilabrinae.