Species that contain: Campylomormyrus and numenius [ 2 ] records

ibis, Gnathonemus Boulenger [G. A.] 1902:25, Pl. 7 (fig. 4) [Annales du Musee du Congo (Ser. Zoologie) v. 2 (fasc. 2); ref. 562] Ubangi River at Banzyville, Democratic Republic of Congo, about 4°18'N, 21°11'E. Syntypes: BMNH 1901.12.26.7 (1), MRAC 1242 (849) (1). •Synonym of Campylomormyrus numenius (Boulenger 1898) -- (Gosse 1984:68 [ref. 6169]). Current status: Synonym of Campylomormyrus numenius (Boulenger 1898). Mormyridae. Habitat: freshwater.

numenius, Gnathonemus Boulenger [G. A.] 1898:14, Pl. 6 (fig. 2) [Annales du Musee du Congo (Ser. Zoologie) v. 1 (fasc. 1); ref. 542] Upoto, Upper Congo. Syntypes: BMNH 1898.11.12.23 (1), MRAC 126 (1). •Valid as Campylomormyrus numenius (Boulenger 1898) -- (Gosse 1984:68 [ref. 6169], Skelton 2019:231 [ref. 36564], Munene et al. 2021:20 [ref. 39283]). Current status: Valid as Campylomormyrus numenius (Boulenger 1898). Mormyridae. Distribution: Central Africa: Congo River basin. Habitat: freshwater.