retropinnis, Polypterus Vaillant [L. L.] in Rivière 1886:17 [La Revue scientifique: revue hebdomadaire illustrée (Revue rose), éd. par Jean Duhem. v. 38 [series 3: v. 23 (no. 1)]; ref. 17852] Alima River, Upper Congo. Lectotype: MNHN 1886-0295. Paralectotypes: BMNH 1907.12.3.4 [ex MNHN] (1), MNHN 1886-0297 (1). Type catalog: Bertin 1940:247 [ref. 293] with a holotype, Moritz & Britz 2019:[68] [ref. 36886]. Described with much more detail by Vaillant 1899:219 [ref. 14711], or on p. 1 of separate. Lectotype designated by Schliewen & Schäfer 2006:31 [ref. 28498]. •Valid as Polypterus retropinnis Vaillant 1886 -- (Gosse 1984:25 [ref. 6169], Gosse 1988:243 [ref. 6868], Poll & Gosse 1995:28 [ref. 24781], Britz 2004:183 [ref. 27800], Britz 2007:171 [ref. 30014], Moritz & Britz 2019:[68] [ref. 36886], Stiassny et al. 2021:1686 [ref. 39000], Fermon et al. 2022:110 [ref. 39448]). Current status: Valid as Polypterus retropinnis Vaillant 1886. Polypteridae. Distribution: Western-central Africa: Ogowe and Congo River basins. Habitat: freshwater.