dimidiatus, Pelmatochromis Pellegrin [J.] 1900:99 [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 6 (no. 3); ref. 14734] Banghi, Central African Republic. Syntypes: MNHN 1892-0120 to 0121 (1, 3) with a holotype. Type catalog: Blanc 1962:219 [ref. 20868]. •Valid as Nanochromis dimidiatus (Pellegrin 1900) -- (Daget 1991:270 [ref. 20947], Lamboj 2005:9 [ref. 28062], Schliewen & Stiassny 2006:43 [ref. 28629], Lamboj & Schelly 2006:248 [ref. 28845], Lamboj 2012:349 [ref. 32100]). •Valid as Congochromis dimidiatus (Pellegrin 1900) -- (Stiassny & Schliewen 2007:4 [ref. 29178], Lamboj 2009:47 [ref. 30314], Kiselkewa et al. 2020:[11] 710 [ref. 38315], Stiassny et al. 2021:1688 [ref. 39000], Wingi et al. 2022:315 [ref. 39175]). Current status: Valid as Congochromis dimidiatus (Pellegrin 1900). Cichlidae: Pseudocrenilabrinae. Distribution: Western-central Africa. Habitat: freshwater.