Species that contain: Petrocephalus and simus [ 2 ] records

simus, Petrocephalus Sauvage [H.-E.] 1879:100 [11] [Bulletin de la Société philomathique de Paris (7th Série) v. 3; ref. 3881] Doumé, about 00°51'S, 12°56'E, Ogôoué River, near Lastoursville, Gabon. Syntypes: MNHN A-0892 (2). Type catalog: Bertin 1940:264 [ref. 293], Poll 1948:76 [ref. 31166]. On p. 11 of separate. •Valid as Petrocephalus simus Sauvage 1879 -- (Gosse 1984:113 [ref. 6169], Lévêque et al. 1989:115 [ref. 26480], Paugy et al. 1990:337 [ref. 26477], Kramer & van der Bank 2000:397 [ref. 25762], Lavoué et al. 2004:514 [ref. 27871], Hopkins et al. 2007:243 [ref. 30019], Lavoué et al. 2010:44 [ref. 30944], Kramer et al. 2012:2233 [ref. 32160], Lovoué 2012:2167 [ref. 32189], Skelton 2019:230 [ref. 36564], Fermon et al. 2022:127 [ref. 39448]). Current status: Valid as Petrocephalus simus Sauvage 1879. Mormyridae. Distribution: Western-central Africa: Gabon; Zambia; Angola. Habitat: freshwater.

tenuicauda, Mormyrus Steindachner [F.] 1894:69, Pl. 4 (fig. 1) [Notes from the Leyden Museum v. 16 (nos 1-2, art. 1); ref. 4237] Queah and Junk rivers, Liberia. Syntypes: (12) BMNH 1896.2.19.1-2 (2); NMW 55111-12 (3, 1); RMNH 5347 (2), 5355-56 (1, 4). •Synonym of Petrocephalus simus Sauvage 1879 -- (Gosse 1984:114 [ref. 6169]). •Valid as Petrocephalus tenuicauda (Steindachner 1894) -- (Bigorne in Lévêque et al. 1990:174 [ref. 21589], Bigorne & Paugy 1991:24 [ref. 20122], Kramer et al. 2012:2233 [ref. 32160], Pezold et al. 2016:103 [ref. 34870]). Current status: Valid as Petrocephalus tenuicauda (Steindachner 1894). Mormyridae. Distribution: Western Africa. Habitat: freshwater.