riomuniensis, Nanochromis Thys van den Audenaerde [D. F. E.] in Linke & Staeck 1981:73, 2 figs. [Afrikanische Cichliden. I. Buntbarsche aus Westafrika; ref. 21868] Río Muni (Equatorial Guinea), between Cameroon and Gabon, Africa. Holotype: MRAC 173290. Paratypes: MRAC 173297 (1). •Valid as Nanochromis riomuniensis Thys van den Audenaerde 1981 -- (Maréchal 1991:272 [ref. 20944]). •Valid as Benitochromis riomuniensis (Thys van den Audenaerde 1981) -- (Lamboj 2001:31 [ref. 25648], Stiassny et al. 2007:331 [ref. 30045], Fermon et al. 2022:243 [ref. 39448] possible). Current status: Valid as Benitochromis riomuniensis (Thys van den Audenaerde 1981). Cichlidae: Pseudocrenilabrinae. Distribution: Western-central Africa: Cameroon and Equatorial Guinea. Habitat: freshwater.