Species that contain: Gnathonemus and niger [ 4 ] records

abadii, Gnathonemus Boulenger [G. A.] 1901:80 [Annals and Magazine of Natural History (Series 7) v. 7 (no. 37) (art. 12); ref. 14747] Djebba, Upper Niger. Holotype (unique): BMNH 1900.3.26.4. •Valid as Marcusenius abadii (Boulenger 1901) -- (Gosse 1984:80 [ref. 6169], Lévêque et al. 1989:114 [ref. 26480], Bigorne & Paugy 1990:38 [ref. 13599], Bigorne in Lévêque et al. 1990:142 [ref. 21589], Lévèque et al. 1991:138 [ref. 31367], Dankwa et al. 1999:15 [ref. 28023], Kramer & Wink 2013:8 [2333] [ref. 32824]). Current status: Valid as Marcusenius abadii (Boulenger 1901). Mormyridae. Distribution: Western Africa. Habitat: freshwater.

baudoni, Gnathonemus Pellegrin [J.] 1919:207 [Bulletin de la Société Zoologique de France v. 44 (no. 5/7); ref. 15224] Gribingui River, Congo. Holotype (unique): MNHN 1919-0102. Type catalog: Bertin 1940:266 [ref. 293]. •Synonym of Brienomyrus niger (Günther 1866) -- (Gosse 1984:65 [ref. 6169], Bigorne in Lévêque et al. 1990:157 [ref. 21589], Lévèque et al. 1991:138 [ref. 31367]). •Synonym of Brevimyrus niger (Günther 1866). Current status: Synonym of Brevimyrus niger (Günther 1866). Mormyridae. Habitat: freshwater.

deboensis, Gnathonemus Daget [J.] 1954:87, Fig. 22 [Mémoires de l'Institut français d'Afrique Noire No. 36; ref. 11989] Lake Debo, Upper Niger, western Africa. Holotype (unique): IFAN. •Valid as Marcusenius deboensis (Daget 1954) -- (Gosse 1984:82 [ref. 6169], Bigorne in Lévêque et al. 1990:148 [ref. 21589], Lévèque et al. 1991:138 [ref. 31367] as a dubius species, Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius deboensis (Daget 1954). Mormyridae. Distribution: West-central Africa. Habitat: freshwater.

pfaffi, Gnathonemus Fowler [H. W.] 1958:8 [Notulae Naturae (Philadelphia) No. 310; ref. 1470] Kabara, Mali, West Africa, Niger. Holotype: ZMUC P21177. Replacement name for Gnathonemus elongatus Pfaff 1933, secondarily preoccupied by Mormyrus elongatus Rüppell 1832 when treated as congeneric. •Synonym of Marcusenius senegalensis (Steindachner 1870), but a valid subspecies -- (Daget 1984:89 [ref. 6170], Lévèque et al. 1991:138 [ref. 31367]). Replacement Name. Current status: Synonym of Marcusenius senegalensis (Steindachner 1870). Mormyridae. Habitat: freshwater.