stanleyanus, Mormyrus Boulenger [G. A.] 1897:426 [Annals and Magazine of Natural History (Series 6) v. 20 (no. 119) (art. 50); ref. 14629] Stanley [Boyoma] Falls, Upper Congo River, Democratic Republic of Congo. Holotype (unique): BMNH 1897.9.30.24. •Valid as Marcusenius stanleyanus (Boulenger 1897) -- (Gosse 1984:90 [ref. 6169], De Vos et al. 2001:129, 131 [ref. 26059], Kramer & Wink 2013:9 [2335] [ref. 32824], Skelton 2019:231 [ref. 36564], Munene et al. 2021:20 [ref. 39283], Stiassny et al. 2021:1686 [ref. 39000], Bigirimana et al. 2024:32 [ref. 41336]). Current status: Valid as Marcusenius stanleyanus (Boulenger 1897). Mormyridae. Distribution: Central Africa: central and upper Congo River system (Burundi, Democratic Republic of Congo). Habitat: freshwater.