Species that contain: Marcusenius and isidori [ 4 ] records

fasciaticeps, Marcusenius Boulenger [G. A.] 1920:12, Fig. 3 [Annales du Musée du Congo Belge Sér. C (Zoologie) (Sér. 1) v. 2 (fasc. 4); ref. 587] Kinshasa [Leopoldville], Democratic Republic of Congo. Holotype (unique): MRAC 7243. •Synonym of Pollimyrus isidori (Valenciennes 1847), but a valid subspecies -- (Gosse 1984:116 [ref. 6169]). •Synonym of Pollimyrus osborni (Nichols & Griscom 1917). Current status: Synonym of Pollimyrus osborni (Nichols & Griscom 1917). Mormyridae. Habitat: freshwater.

gaillardi, Marcusenius Pellegrin [J.] 1909:242 [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 15 (no. 5); ref. 14408] Lake Chad at Bol, Chad. Syntypes: MNHN 1909-0395 to 0398 (3, 3, 3, 5). Type catalog: Bertin 1940:268 [ref. 293] with 14 types. •Synonym of Pollimyrus isidori (Valenciennes 1847) -- (Bigorne in Lévêque et al. 1990:181 [ref. 21589], Bigorne 1991:325 [ref. 20236] with 9 types, Lévèque et al. 1991:139 [ref. 31367]). Current status: Synonym of Pollimyrus isidori (Valenciennes 1847). Mormyridae. Habitat: freshwater.

osborni, Marcusenius Nichols [J. T.] & Griscom [L.] 1917:667, Fig. 1 [Bulletin of the American Museum of Natural History v. 37 (art. 25); ref. 3185] Uele River, Orientale Province, Congo. Holotype: AMNH 6934. Paratypes: AMNH 6935 (2, discarded 8/1969). •Synonym of Pollimyrus isidori (Valenciennes 1847), but a valid subspecies -- (Gosse 1984:116 [ref. 6169]). •Valid as Pollimyrus osborni (Nichols & Griscom 1917) -- (Levin & Golubtsov 2018:73 [ref. 35732], Kiselkewa et al. 2020:[7] 706 [ref. 38315], Munene et al. 2021:21 [ref. 39283], Stiassny et al. 2021:1686 [ref. 39000] as cf. osborni). Current status: Valid as Pollimyrus osborni (Nichols & Griscom 1917). Mormyridae. Distribution: Central Africa: Congo basin (Democratic Republic of Congo). Habitat: freshwater.

rudebeckii, Marcusenius Svensson [G. S. O.] 1933:33, Fig. 12 [Kongliga Vetenskaps-Academiens Handlingar, Stockholm v. 12 (no. 3); ref. 16524] Boraba swamp along Gambia River, western Africa. Syntypes: NRM 11135 (1), 21135 (1, partial). •Synonym of Pollimyrus isidori (Valenciennes 1847) -- (Gosse 1984:116 [ref. 6169], Bigorne in Lévêque et al. 1990:181 [ref. 21589], Lévèque et al. 1991:139 [ref. 31367]). Current status: Synonym of Pollimyrus isidori (Valenciennes 1847). Mormyridae. Habitat: freshwater.