engycephalus, Distichodus Günther [A.] 1864:361 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Upper Nile River, Khartoum, Sudan. Syntypes: BMNH 1862.6.17.80-81 (2). •Valid as Distichodus engycephalus Günther 1864 -- (Daget & Gosse 1984:188 [ref. 6185], Gosse in Lévêque et al. 1990:245 [ref. 21589], Dankwa et al. 1999:22 [ref. 28023], Vari 2007:415 [ref. 30023], Mamonekene & Vreven 2008:97 [ref. 29866], Musschoot 2024:335 [ref. 40817]). Current status: Valid as Distichodus engycephalus Günther 1864. Distichodontidae. Distribution: Africa: western Africa and upper Nile basin. Habitat: freshwater.