polyodon, Haplochromis Trewavas [E.] 1935:82, 90 [Annals and Magazine of Natural History (Series 10) v. 16 (no. 91) (art. 6); ref. 4451] Vua, Lake Malawi [Lake Nyasa], southeastern Africa. Holotype (unique): BMNH 1935.6.14.608. •Valid as Tyrannochromis polyodon (Trewavas 1935) -- (Eccles & Trewavas 1989:99 [ref. 13547], Maréchal 1991:535 [ref. 20944]). •Tentatively a synonym of Tyrannochromis macrostoma (Regan 1922) -- (Snoeks & Hanssens 2004:309 [ref. 28117]). •Synonym of Tyrannochromis macrostoma (Regan 1922) -- (Konings 2016:263 [ref. 34521]). Current status: Synonym of Tyrannochromis macrostoma (Regan 1922). Cichlidae: Pseudocrenilabrinae. Habitat: freshwater.