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Eschmeyer's Catalog of Fishes
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Species in the genus Marcusenius: [ 68 ] 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.

abbreviatus, Mormyrus Valenciennes [A.] in Cuvier & Valenciennes 1847:270 [Histoire naturelle des poissons v. 19; ref. 4883] Nile River, Egypt. Holotype: MNHN A-9392. Type catalog: Bertin 1940:265 [ref. 293]. •Synonym of Marcusenius cyprinoides (Linnaeus 1758) -- (Gosse 1984:82 [ref. 6169]). Current status: Synonym of Marcusenius cyprinoides (Linnaeus 1758). Mormyridae. Habitat: freshwater.

altisambesi, Marcusenius Kramer [L. B.], Skelton [P. H.], van der Bank [F. H.] & Wink [M.] 2007:681, Fig. 1K [Journal of Natural History v. 41 (9-12); ref. 29168] Caprivi Strip, Upper Zambezi River at Lisikili, Namibia. Holotype: SAIAB 79135. Paratypes: SAIAB 79136 (6), 79137 (3); ZSM 35082 (2), 35085 (2), 35086 (5), 35097 (1). Type catalog: Neumann 2011:270 [ref. 31652]. •Valid as Marcusenius altisambesi Kramer, Skelton, van der Bank & Wink 2007 -- (Kramer & van der Bank 2011:2670 [ref. 31546], Marshall 2011:52 [ref. 31755], Kramer & Wink 2013:9 [2335] [ref. 32824], Maake et al. 2014:466 [ref. 33223], Kramer et al. 2016:6 [ref. 34331], Bruton et al. 2018:34 [ref. 36373], Skelton 2019:231 [ref. 36564]). Current status: Valid as Marcusenius altisambesi Kramer, Skelton, van der Bank & Wink 2007. Mormyridae. Distribution: Upper Zambezi and Okavango River systems, Africa. Habitat: freshwater.

angolensis, Gnathonemus Boulenger [G. A.] 1905:458 [Annals and Magazine of Natural History (Series 7) v. 15 (no. 89) (art. 59); ref. 15344] Quanza River, Angola. Holotype (unique): BMNH 1905.5.29.64. •Synonym of Marcusenius macrolepidotus (Peters 1852), but a valid subspecies -- (Gosse 1984:86 [ref. 6169]). •Valid as Marcusensius angolensis (Boulenger 1905) -- (Kramer et al. 2007:680 [ref. 29168], Kramer & Wink 2013:12 [ref. 32824], Kramer & Wink 2013:8 [2338] [ref. 32824], Maake et al. 2014:465 [ref. 33223], Skelton 2019:231 [ref. 36564]). Current status: Valid as Marcusenius angolensis (Boulenger 1905). Mormyridae. Distribution: Southwestern Africa: Cuanza River (Angola). Habitat: freshwater.

annamariae, Gnathonemus Parenzan [P.] 1939:160, Figs. 7-8 [Bollettino di Pesca, Piscicoltura e Idrobiologia v. 15 (no. 2); ref. 13590] Lake Regina Margherita, southern Ethiopia. •Valid as Marcusenius annamariae (Parenzan 1939) -- (Gosse 1984:80 [ref. 6169], Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius annamariae (Parenzan 1939). Mormyridae. Distribution: Ethiopia. Habitat: freshwater.

bentleyi, Mormyrus Boulenger [G. A.] 1897:426 [Annals and Magazine of Natural History (Series 6) v. 20 (no. 119) (art. 50); ref. 14629] Stanley [Boyoma] Falls, Upper Congo River, Democratic Republic of Congo. Holotype (unique): BMNH 1897.9.30.25. •Valid as Marcusenius bentleyi (Boulenger 1897) -- (Gosse 1984:80 [ref. 6169], Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius bentleyi (Boulenger 1897). Mormyridae. Distribution: Central Africa. Habitat: freshwater.

brucii, Gnathonemus Boulenger [G. A.] 1910:425 [Annals and Magazine of Natural History (Series 8) v. 6 (no. 34); ref. 14430] Ogun River at Aro, Lagos State, southern Nigeria. Holotype (unique): BMNH 1909.3.3.2. •Valid as Marcusenius brucii (Boulenger 1910) -- (Gosse 1984:80 [ref. 6169], Paugy & Bénech 1989:299 [ref. 26478], Bigorne & Paugy 1990:37 [ref. 13599], Kramer & Wink 2013:8 [2334] [ref. 32824]). •Synonym of Marcusenius senegalensis (Steindachner 1870) -- (Boden, pers. comm.). Current status: Synonym of Marcusenius senegalensis (Steindachner 1870). Mormyridae. Habitat: freshwater.

bruyerei, Gnathonemus Pellegrin [J.] 1904:441 [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 10 (no. 7); ref. 15196] Ivory Coast. Holotype (unique): MNHN 1894-0396. Type catalog: Bertin 1940:265 [ref. 293]. •Valid as Marcusenius bruyerei (Pellegrin 1904) -- (Gosse 1984:80 [ref. 6169]). •Synonym of Marcusenius ussheri (Günther 1867) -- (Bigorne in Lévêque et al. 1990:146 [ref. 21589], Paugy et al. 1990:337 [ref. 26477]). Current status: Synonym of Marcusenius ussheri (Günther 1867). Mormyridae. Habitat: freshwater.

caudisquamatus, Marcusenius Maake [P. A.], Gon [O.] & Swartz [E. R.] 2014:466, Fig. 2c [Zootaxa 3780 (no. 3); ref. 33223] Mhlatuze River, under the bridge on road R102, South Africa, 28°50'44.2"S, 31°51'59.6"E. Holotype: SAIAB 88684. Paratypes: BMNH 2013 9.4.74 (1); MRAC B3-16-P-3 (1); SAIAB 79149 (4), 88692 (2), 96543 (2), 96607 (2), 191225 (6); USNM 410775 (1). •Valid as Marcusenius caudisquamatus Maake, Gon & Swartz 2014 -- (Kramer et al. 2016:6 [ref. 34331], Kramer et al. 2016:368 [ref. 34938]). Current status: Valid as Marcusenius caudisquamatus Maake, Gon & Swartz 2014. Mormyridae. Distribution: Nseleni and the Mhlatuze rivers in KwaZulu-Natal, South Africa. Habitat: freshwater.

conicephalus, Marcusenius Taverne [L.], Thys van den Audenaerde [D. F. E.] & Heymer [A.] 1976:878, Fig. 4 [Revue de Zoologie Africaine v. 90 (no. 4); ref. 7396] Aboulou Village, Kom River, tributary of Ntem River, Cameroon. Holotype: MRAC 73-18-P-83. Paratypes: MNHN 1977-0020 (2); MRAC 73-18-P-84 (1), 73-18-P-85-93 (9), 73-18-P-94-127 (orig. 34), 75-24-P-3 (1), 75-24-P-423 (1). •Valid as Marcusenius conicephalus Taverne, Thys van den Audenaerde & Heymer 1976 -- (Gosse 1984:80 [ref. 6169]). •Synonym of Marcussenius ntemensis (Pellegrin 1927) -- (Teugels et al. 2001:246 [ref. 25701]). Current status: Synonym of Marcusenius ntemensis (Pellegrin 1927). Mormyridae. Habitat: freshwater.

cuangoanus, Gnathonemus Poll [M.] 1967:79, Fig. 27 [Publicações Culturais, Companhia de Diamantes de Angola (DIAMANG), Lisboa No. 75; ref. 3528] Zovo, Uamba River, tributary of Cuango River, Angola. Holotype (unique): MRAC 164318 [ex MD 6435]. Type catalog: Derijst 1991:41 [ref. 21528]. •Valid as Marcusenius cuangoanus (Poll 1967) -- (Gosse 1984:81 [ref. 6169], Kramer & Wink 2013:8 [2334] [ref. 32824], Skelton 2019:231 [ref. 36564]). Current status: Valid as Marcusenius cuangoanus (Poll 1967). Mormyridae. Distribution: Southern Africa. Habitat: freshwater.

cyprinoides, Mormyrus Linnaeus [C.] 1758:327 [Systema Naturae, Ed. X v. 1; ref. 2787] Nile River. Holotype (unique): NRM 62. Type catalog: Fernholm & Wheeler 1983:210 [ref. 20707]. •Valid as Marcusenius cyprinoides (Linnaeus 1758) -- (Gosse 1984:81 [ref. 6169], Bigorne & Paugy 1990:38 [ref. 13599], Kramer & Wink 2013:8 [2334] [ref. 32824], Neumann et al. 2016:303 [ref. 35036]). Current status: Valid as Marcusenius cyprinoides (Linnaeus 1758). Mormyridae. Distribution: Nile River, Africa. 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.

desertus, Marcusenius Kramer [L. B.], van der Bank [F. H.] & Wink [M.] 2016:6, Figs. 2Aa, 2Ab, 2B [African Journal of Aquatic Science v. 41 (no. 1); ref. 34331] Lowest part of the Cunene River close to its mouth, Namibia, 17°15'29.3"S, 11°45'55.0"E. Holotype: ZSM 43802. Paratypes: SAIAB, ZSM. Plus non-type specimens. •Valid as Marcusenius desertus Kramer, van der Bank & Wink 2016 -- (Skelton 2019:231 [ref. 36564]). Current status: Valid as Marcusenius desertus Kramer, van der Bank & Wink 2016. Mormyridae. Distribution: Mouth of the Cunene River, Namibia and Angola. Habitat: freshwater.

devosi, Marcusenius Kramer [L. B.], Skelton [P. H.], van der Bank [F. H.] & Wink [M.] 2007:686, Fig. 1G [Journal of Natural History v. 41 (9-12); ref. 29168] Lower Tana River near village Wenje, Kenya, 1°52'38.1"S, 40°08'22.5"E. Holotype: SAIAB 79138. Paratypes: SAIAB 79139 (14); ZSM 35091 (1), 35092 (1), 35093 (4), 35094 (7). Type catalog: Neumann 2011:271 [ref. 31652]. •Valid as Marcusenius devosi Kramer, Skelton, van der Bank & Wink 2007 -- (Kramer & Wink 2013:8 [2344] [ref. 32824], Maake et al. 2014:466 [ref. 33223], Kramer et al. 2016:7 [ref. 34331], Kramer et al. 2016:368 [ref. 34938]). Current status: Valid as Marcusenius devosi Kramer, Skelton, van der Bank & Wink 2007. Mormyridae. Distribution: Tana River, Kenya. Habitat: freshwater.

dundoensis, Gnathonemus Poll [M.] 1967:81, Fig. 28 [Publicações Culturais, Companhia de Diamantes de Angola (DIAMANG), Lisboa No. 75; ref. 3528] Near Dundo, Sanga River, tributary of Luachimo River, Angola. Holotype: MD 1040. Paratypes: MRAC 158528-30 (3), 158531-33 (1, 1, 1); MD 1040 (3), 454 (3), 2381 (2), 6324 (1), 6357 (1). Type catalog: Derijst 1991:41 [ref. 21528]. •Valid as Marcusenius dundoensis (Poll 1967) -- (Gosse 1984:82 [ref. 6169], Boden et al. 1997:1168 [ref. 23218], Kramer & Wink 2013:8 [2334] [ref. 32824], Skelton 2019:231 [ref. 36564], Decru et al. 2019:233 [ref. 36749]). Current status: Valid as Marcusenius dundoensis (Poll 1967). Mormyridae. Distribution: Middle Congo basin, Angola. Habitat: freshwater.

elongata, Gnathonemus cyprinoides var. Pellegrin [J.] 1927:299 [Bulletin de la Société Zoologique de France v. 52 (for 1927); ref. 3407] Lake Chad, Soueïram, Cameroon. Syntypes: MNHN 1927-0163 to 0165 (1, 1, 1). Type catalog: Bertin 1940:266 [ref. 293]. •Synonym of Marcusenius cyprinoides (Linnaeus 1758) -- (Gosse 1984:82 [ref. 6169]). Current status: Synonym of Marcusenius cyprinoides (Linnaeus 1758). Mormyridae. Habitat: freshwater.

elongatus, Gnathonemus Pfaff [J. R.] 1933:276, Fig. 1 [Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening, Kjøbenhavn. v. 94; ref. 16517] Kabara, Mali, West Africa. Holotype (unique): ZMUC P21177. Type catalog: Nielsen 1974:29 [ref. 9588]. Subjectively invalid; secondarily preoccupied by Mormyrus elongatus Rüppell 1832 in Gnathonemus. Replaced by Gnathonemus pfaffi Fowler 1958. •Synonym of Marcusenius senegalensis (Steindachner 1870) -- (Daget 1984:89 [ref. 6170], Lévèque et al. 1991:138 [ref. 31367]). Current status: Synonym of Marcusenius senegalensis (Steindachner 1870). Mormyridae. Habitat: freshwater.

elongatus, Mormyrus Rüppell [W. P. E. S.] 1832:9, Pl. 2 (fig. 1) [Fortsetzung der Beschreibung und Abbildung meherer neuer Fische; ref. 18643] Cairo, Egypt. Holotype: BMNH 1850.7.29.5. Rüppell specimens: NMW 58916 (1); SMF 644 (2), 2671 (1, dry). •Synonym of Marcusenius cyprinoides (Linnaeus 1758) -- (Gosse 1984:81 [ref. 6169]). Current status: Synonym of Marcusenius cyprinoides (Linnaeus 1758). Mormyridae. Habitat: freshwater.

friteli, Gnathonemus Pellegrin [J.] 1904:440 [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 10 (no. 7); ref. 15196] Alima River, Diélé, Congo basin. Holotype (unique): MNHN 1886-0320. Type catalog: Bertin 1940:265 [ref. 293], Poll 1948:77 [ref. 31166]. •Valid as Marcusenius friteli (Pellegrin 1904) -- (Gosse 1984:82 [ref. 6169], Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius friteli (Pellegrin 1904). Mormyridae. Distribution: Central Africa. Habitat: freshwater.

furcidens, Gnathonemus Pellegrin [J.] 1920:117 [Bulletin de la Société Zoologique de France v. 45; ref. 15246] Ivory Coast. Syntypes: MNHN 1920-0030 to 0032 (1, 1, 1). Type catalog: Bertin 1940:266 [ref. 293]. •Valid as Marcusenius furcidens (Pellegrin 1920) -- (Gosse 1984:82 [ref. 6169], Bigorne & Paugy 1990:38 [ref. 13599], Bigorne in Lévêque et al. 1990:146 [ref. 21589], Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius furcidens (Pellegrin 1920). Mormyridae. Distribution: Western Africa. Habitat: freshwater.

fuscus, Gnathonemus Pellegrin [J.] 1901:328 [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 7 (no. 7); ref. 14887] Congo. Lectotype: MNHN 1890-0009. Paralectotypes: MNHN 1890-0008 (1). Type catalog: Bertin 1940:265 [ref. 293]. Lectotype selected by Boden et al. 1997:1670 [ref. 23218]. •Valid as Marcusenius fuscus (Pellegrin 1901) -- (Gosse 1984:83 [ref. 6169], Boden et al. 1997:1670 [ref. 23218], Kramer & Wink 2013:8 [2334] [ref. 32824], Decru et al. 2019:233 [ref. 36749]). Current status: Valid as Marcusenius fuscus (Pellegrin 1901). Mormyridae. Distribution: Middle Congo basin, Central Africa. Habitat: freshwater.

gambiensis, Gnathonemus Svensson [G. S. O.] 1933:34, Fig. 13 [Kongliga Vetenskaps-Academiens Handlingar, Stockholm v. 12 (no. 3); ref. 16524] Creeks and swamps along Gambia River, western Africa. Syntypes: NRM 11136 (3), 14564-73 (10, 1 per lot), 14584-85 (1, 1), 14599 (1), 17368 (1), 17637 (1), 31362 (1); ZMUU 404 (1). Type catalog: Wallin 1996:61 [ref. 32133]. •Synonym of Marcusenius senegalensis (Steindachner 1870) -- (Gosse 1984:89 [ref. 6169], Lévèque et al. 1991:138 [ref. 31367]). Current status: Synonym of Marcusenius senegalensis (Steindachner 1870). Mormyridae. Habitat: freshwater.

ghesquierei, Gnathonemus Poll [M.] 1945:45, Fig. 3 [Revue de Zoologie et de Botanique Africaines v. 39 (no. 1); ref. 13133] Busira River, region of Eala, 0°15'S, 18°59'E, Congo River basin, Democratic Republic of Congo. Holotype (unique): MRAC 46288. Type catalog: Derijst 1991:41 [ref. 21528]. •Valid as Marcusenius ghesquierei (Poll 1945) -- (Gosse 1984:83 [ref. 6169], Boden et al. 1997:1679 [ref. 23218], Kramer & Wink 2013:8 [2334] [ref. 32824], Decru et al. 2019:234 [ref. 36749]). Current status: Valid as Marcusenius ghesquierei (Poll 1945). Mormyridae. Distribution: Ruki River drainage, middle Congo Basin, Central Africa. Habitat: freshwater.

gilli, Gnathonemus Boulenger [G. A.] 1904:198, Pl. 7 (fig. 2) [Proceedings of the Zoological Society of London 1904, v. 1 (pt 1) (art. 3); ref. 15111] Assay, southern Nigeria. Holotype (unique): BMNH 1904.1.20.10. •Valid as Marcusenius gilli (Boulenger 1904) -- (Gosse 1984:83 [ref. 6169]). •Synonym of Marcusenius abadii (Boulenger 1901) -- (Lévêque et al. 1989:114 [ref. 26480], Bigorne in Lévêque et al. 1990:142 [ref. 21589], Lévèque et al. 1991:138 [ref. 31367]). Current status: Synonym of Marcusenius abadii (Boulenger 1901). Mormyridae. Habitat: freshwater.

gracilis, Gnathonemus Pellegrin [J.] 1922:221 [Bulletin de la Société Zoologique de France v. 47; ref. 15365] Gribingui River, Congo. Holotype: MNHN 1922-0023. Type catalog: Bertin 1940:266 [ref. 293]. •Synonym of Marcusenius senegalensis (Steindachner 1870), but a valid subspecies -- (Gosse 1984:89 [ref. 6169], Lévèque et al. 1991:138 [ref. 31367]). Current status: Synonym of Marcusenius senegalensis (Steindachner 1870). Mormyridae. Habitat: freshwater.

gracilis, Marcusenius Kramer [L. B.] 2013:123, Fig. 2E [Marine and Freshwater Behaviour and Physiology v. 46 (no. 2); ref. 32737] Comoé River, Kafolo, Mouches Tsété, 9°356'N, 4°19'W. Ivory Coast. Holotype: ZSM 42204. Paratypes: 16, all at ZSM. •Valid as Marcusenius gracilis Kramer 2013 -- (Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius gracilis Kramer 2013. Mormyridae. Distribution: Ivory Coast. Habitat: freshwater.

graeverti, Gnathonemus Steindachner [F.] 1914:536 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 51 (no. 25); ref. 18910] Kiperege, Great Ruaha River, Tanzania. Holotype (unique): NMW missing. Species described in more detail in Steindachner 1915:61 [p. 3 of separate] [ref. 15072]. •Synonym of Marcusenius macrolepidotus (Peters 1852) -- (Gosse 1984:85 [ref. 6169], Seegers 1996:73 [ref. 23725], Kramer et al. 2007:678 [ref. 29168], Kramer & Wink 2013:17 [2334] [ref. 32824]). Current status: Synonym of Marcusenius macrolepidotus (Peters 1852). Mormyridae. Habitat: freshwater.

grandisquamis, Mormyrus Peters [W. (C. H.)] 1876:250, Pl. (fig. 3) [Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin 1876 (for 27 Apr. 1876); ref. 10019] Ogowe, West Africa. Holotype (unique): ZMB 9331. •Synonym of Marcusenius moorii (Günther 1867) -- (Gosse 1984:87 [ref. 6169], Boden et al. 1997:1672 [ref. 23218]). Current status: Synonym of Marcusenius moorii (Günther 1867). Mormyridae. Habitat: freshwater.

greshoffii, Mormyrus Schilthuis [L.] 1891:90, Pl. 6 (fig. 3) [Tijdschrift der Nederlandsche Dierkundige Vereeniging, Ser. 2 v. 3; ref. 3925] Kinshasa, Stanley Pool, upper Congo River near Brazzaville, Democratic Republic of Congo. Holotype (unique): BMNH 1899.9.6.19. •Valid as Marcusenius greshoffii (Schilthuis 1891) -- (Gosse 1984:83 [ref. 6169] as greshoffi, Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius greshoffii (Schilthuis 1891). Mormyridae. Distribution: Central Africa. Habitat: freshwater.

intermedius, Marcusenius Pellegrin [J.] 1924:2 [Revue de Zoologie Africaine v. 12 (no. 1); ref. 17937] Kasaï River at Kabambaie, 5°45'S, 20°49'E, Democratic Republic of Congo. Holotype (unique): MRAC 15164. •Valid as Marcusenius intermedius Pellegrin 1924 -- (Gosse 1984:83 [ref. 6169], Boden et al. 1997:1670 [ref. 23218], Kramer & Wink 2013:8 [2334] [ref. 32824], Kisekelwa et al. 2016:350 [ref. 34365], Decru et al. 2019:234 [ref. 36749]). Current status: Valid as Marcusenius intermedius Pellegrin 1924. Mormyridae. Distribution: Middle Congo River basin, Central Africa. Habitat: freshwater.

kainjii, Marcusenius Lewis [D. S. C.] 1974:14, 49, Fig. 15 [An illustrated key to the fishes of Lake Kainji; ref. 31600] Lake Kainji, artifical lake in lower Niger River, Nigeria, 10°30'N, 4°35'E. Holotype (unique): BMNH 1974.3.25.8. •Uncertain status as Marcusenius kainjii Lewis 1974 -- (Kramer & Wink 2013:8 [2333] [ref. 32824]). Current status: Uncertain as Marcusenius kainjii Lewis 1974. Mormyridae. Distribution: Lake Kainji, Nigeria. Habitat: freshwater.

kaninginii, Marcusenius Kisekelwa [T.], Boden [G.], Snoeks [J.] & Vreven [E. J.] 2016:345, Figs. 5, 7a [Ichthyological Exploration of Freshwaters v. 26 (no. 4); ref. 34365] Lowa River, Walikale, upstream waterfall and Lowa bridge in Walikale city, Lowa River basin, Democratic Republic of Congo, 1°25'53"S, 28°04'27"E. Holotype: MRAC B0-001-P-001. Paratypes: MRAC. Plus additional non-type material. •Valid as Marcusenius kaninginii Kisekelwa, Boden, Snoeks & Vreven 2016 -- (Decru et al. 2019:234 [ref. 36749]). Current status: Valid as Marcusenius kaninginii Kisekelwa, Boden, Snoeks & Vreven 2016. Mormyridae. Distribution: Lowa River drainage, upper Congo basin, Democratic Republic of Congo. Habitat: freshwater.

krameri, Marcusenius Maake [P. A.], Gon [O.] & Swartz [E. R.] 2014:469, Fig. 2b [Zootaxa 3780 (no. 3); ref. 33223] Mogalakwena River (also known as the Nyl), Modimolle town, Pretoria Street, above a drift, Limpopo River system, South Africa, 24°42'04.2"S, 28°24'40.8"E. Holotype: SAIAB 188295. Paratypes: BMNH 2013.9.4.72-73 (2); MRAC B3-16-P-1-2 (2); SAIAB 188290 (20), 188294 (11), 191224 (5); USNM 410774 (2). Plus non-type specimens. •Valid as Marcusenius krameri Maake, Gon & Swartz 2014 -- (Kramer et al. 2016:7 [ref. 34331], Kramer et al. 2016:368 [ref. 34938]). Current status: Valid as Marcusenius krameri Maake, Gon & Swartz 2014. Mormyridae. Distribution: Limpopo River and several of its tributaries, ranging from the Matlabas River in the west to the Olifants River in the east, South Africa. Habitat: freshwater.

kutuensis, Gnathonemus Boulenger [G. A.] 1899:74, Pl. 33 (fig. 5) [Annales du Musee du Congo (Ser. Zoology) v. 1 (fasc. 4); ref. 549] Lake Leopold II, Kutu Island, 2°44'S, 18°08'E, Zaire. Holotype (unique): MRAC 664. •Valid as Marcusenius kutuensis (Boulenger 1899) -- (Gosse 1984:83 [ref. 6169], Boden et al. 1997:1671 [ref. 23218], Kramer & Wink 2013:8 [2334] [ref. 32824], Decru et al. 2019:234 [ref. 36749]). Current status: Valid as Marcusenius kutuensis (Boulenger 1899). Mormyridae. Distribution: Middle Congo River basin, Central Africa. Habitat: freshwater.

labiatus, Mormyrus Geoffroy St. Hilaire [E.] 1809:[267], Pl. 7 (fig. 1) [Poissons du Nil v. 1 (part 1); ref. 4182] Nile River, Egypt. Syntypes: MNHN A-9616 (1), A-9617 (1). Type catalog: Bertin 1940:264-265 [ref. 293]. Description based on a specimen of about 32 cm that is apparently lost. Two other specimens were mentioned, one of 270 mm (A.9616) and of 90 mm (A.9617); they are regarded as syntypes. The page number is from a different edition. •Synonym of Marcusenius cyprinoides (Linnaeus 1758) -- (Gosse 1984:81 [ref. 6169] with MNHN A.9616 as holotype). Current status: Synonym of Marcusenius cyprinoides (Linnaeus 1758). Mormyridae. Habitat: freshwater.

lambouri, Gnathonemus Pellegrin [J.] 1904:439 [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 10 (no. 7); ref. 15196] Alima River, Diélé, Upper Congo, about 1°41'S, 14°45'E. Lectotype: MNHN 1886-0319. Paralectotypes: MNHN 1886-0324 (1). Type catalog: Bertin 1940:265 [ref. 293], Poll 1948:76 [ref. 31166]. Bertin lists 2 paratypes and Gosse lists only a holotype (1886-319), and the original lists 2 specimens; MNHN 1886-319 is designated lectotype by Boden et al. 1997:1674 [ref. 23218]. •Valid as Marcusenius lambouri (Pellegrin 1904) -- (Gosse 1984:84 [ref. 6169], Mambo Baba et al. 2020:[7] [ref. 37385]). •Synonym of Marcusenius moorii (Günther 1867) -- (Boden et al. 1997:1672 [ref. 23218]). Current status: Valid as Marcusenius lambouri (Pellegrin 1904). Mormyridae. Distribution: Middle Congo basin. Habitat: freshwater.

leopoldianus, Gnathonemus Boulenger [G. A.] 1899:72, Pl. 33 (fig. 3) [Annales du Musee du Congo (Ser. Zoology) v. 1 (fasc. 4); ref. 549] Ibali Island, Lake Leopold II, Congo. Syntypes: BMNH 1899.9.26.41 (1); MRAC 661 (1), 662 (1). •Valid as Marcusenius leopoldianus (Boulenger 1899) -- (Gosse 1984:84 [ref. 6169], Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius leopoldianus (Boulenger 1899). Mormyridae. Distribution: Central Africa. Habitat: freshwater.

lepturus, Mormyrus Günther [A.] 1872:670, Pl. 69 (fig. B) [Proceedings of the Zoological Society of London 1871 (pt 3) (art. 1) (for 21 Nov. 1871); ref. 1997] Gabon. Syntypes: BMNH 1872.1.27.4-5 (2). •Synonym of Marcusenius moorii (Günther 1867) -- (Gosse 1984:87 [ref. 6169], Boden et al. 1997:1672 [ref. 23218]). Current status: Synonym of Marcusenius moorii (Günther 1867). Mormyridae. Habitat: freshwater.

livingstonii, Gnathonemus Boulenger [G. A.] 1899:803 [Proceedings of the Zoological Society of London 1898 (pt 4) (art. 4); ref. 17092] Ruvuma River, Mozambique. Holotype (unique): BMNH 1864.7.9.30. •Valid as Marcusenius livingstonii (Boulenger 1899) -- (Gosse 1984:84 [ref. 6169], Snoeks 2004:20 [ref. 28111], Kramer & Wink 2013:8 [2334] [ref. 32824], Maake et al. 2014:465 [ref. 33223]). Current status: Valid as Marcusenius livingstonii (Boulenger 1899). Mormyridae. Distribution: Mozambique: Ruvuma River. Habitat: freshwater.

longulus, Gnathonemus moorii David [L.] & Poll [M.] 1937:203, Fig. 6 [Annales du Musée du Congo Belge Sér. C (Zoologie) (Sér. 1) v. 3 (fasc. 5); ref. 1043] Bumba, Congo River basin, Democratic Republic of Congo. Holotype: MRAC 31710. Paratypes: MRAC 21571 (1). Type catalog: Derijst 1991:41 [ref. 21528]. •Synonym of Marcusenius lambouri (Pellegrin 1904) -- (Gosse 1984:84 [ref. 6169], Mambo Baba et al. 2020:[7] [ref. 37385]). •Synonym of Marcusenius moorii (Günther 1867) -- (Boden et al. 1997:1672 [ref. 23218]). Current status: Synonym of Marcusenius lambouri (Pellegrin 1904). Mormyridae. Habitat: freshwater.

lucombesi, Marcusenius Maake [P. A.], Gon [O.] & Swartz [E. R.] 2014:471, Fig. 2d [Zootaxa 3780 (no. 3); ref. 33223] Lucombe River, Lucombe stream pools, Nyati Road, Niassa Game Reserve, Ruvuma River system, Mozambique, 12°5'15"S, 37°33'38"E. Holotype: SAIAB 73884. Paratypes: BMNH 2013.9.4.75 (1); MRAC, B3-16-P-4 (1); SAIAB 73790 (4), 73816 (1), 73885 (1), 73886 (2), 191226 (6). •Valid as Marcusenius lucombesi Maake, Gon & Swartz 2014 -- (Kramer et al. 2016:7 [ref. 34331]). Current status: Valid as Marcusenius lucombesi Maake, Gon & Swartz 2014. Mormyridae. Distribution: Lucombe River and its small tributary streams, Nakajambo River, both tributaries of the Ruvuma River system within the Niassa Game Reserve, Mozambique. Habitat: freshwater.

macrolepidotus, Mormyrus Peters [W. (C. H.)] 1852:275 [Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin 1852; ref. 18539] Tette, Mozambique. Lectotype: ZMB 3678. Paralectotypes: ?ZMB 3630 (1), ZMB 3677 (1), 6730 (1), 32043 (3). Also in Peters 1868:79, Pl. 15 (fig. 1) [ref. 3440]. Lectotype selected by Seegers 1996:73 [ref. 23725]. •Valid as Marcusenius macrolepidotus (Peters 1852) -- (Gosse 1984:84 [ref. 6169], Skelton 1993:98 [ref. 24071], Seegers 1996:74 [ref. 23725], van der Bank & Kramer 1996:285 [ref. 29516], Skelton 2001:98 [ref. 27406], De Vos et al. 2001:131 [ref. 26059] as a valid subspecies, Seegers et al. 2003:28 [ref. 28087] as aff. macrolepidotus, Snoeks 2004:20 [ref. 28111] as a valid subspecies, Kramer et al. 2007:677 [ref. 29168] with subspecies, Kramer & van der Bank 2011:2670 [ref. 31546], Marshall 2011:47 [ref. 31755], Kullander & Roberts 2012:368 [ref. 31751], Kramer & Wink 2013:17 [2328] [ref. 32824], Maake et al. 2014:466 [ref. 33223], Kramer et al. 2016:8 [ref. 34331]). Current status: Valid as Marcusenius macrolepidotus (Peters 1852). Mormyridae. Distribution: Central and southern Africa. Habitat: freshwater.

macrophthalmus, Gnathonemus Pellegrin [J.] 1924:6 [Revue de Zoologie Africaine v. 12 (no. 1); ref. 17937] Kasaï River at Tshikapa, Democratic Republic of Congo. Holotype: MRAC 15118. •Valid as Marcusenius macrophthalmus (Pellegrin 1924) -- (Gosse 1984:86 [ref. 6169], Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius macrophthalmus (Pellegrin 1924). Mormyridae. Distribution: Central Africa. Habitat: freshwater.

mento, Mormyrus Boulenger [G. A.] 1890:193 [Annals and Magazine of Natural History (Series 6) v. 6 (no. 32) (art. 25); ref. 17024] Gabon. Holotype (unique): BMNH 1881.7.20.1. •Valid as Marcusenius mento (Boulenger 1890) -- (Gosse 1984:86 [ref. 6169], Lévêque et al. 1989:114 [ref. 26480], Bigorne & Paugy 1990:38 [ref. 13599], Bigorne in Lévêque et al. 1990:145 [ref. 21589], Paugy et al. 1990:336 [ref. 26477], Hopkins et al. 2007:285 [ref. 30019], Kramer 2013:124 [ref. 32737], Kramer & Wink 2013:8 [2334] [ref. 32824]). Current status: Valid as Marcusenius mento (Boulenger 1890). Mormyridae. Distribution: West-central Africa; also introduced in some areas of Africa. Habitat: freshwater.

meronai, Marcusenius Bigorne [R.] & Paugy [D.] 1990:34, Fig. 3 [Ichthyological Exploration of Freshwaters v. 1 (no. 1); ref. 13599] Rokel at Kondembaya, about 9°21'N, 11°33'E, Sierra Leone. Holotype: MNHN 1989-0967. Paratypes: MNHN 1989-0968 (3), 1989-0969 (2). •Valid as Marcusenius meronai Bigorne & Paugy 1990 -- (Bigorne in Lévêque et al. 1990:147 [ref. 21589], Paugy et al. 1990:336 [ref. 26477], Kramer & Wink 2013:8 [2334] [ref. 32824], Pezold et al. 2016:102 [ref. 34870]). Current status: Valid as Marcusenius meronai Bigorne & Paugy 1990. Mormyridae. Distribution: Western Africa. Habitat: freshwater.

moeruensis, Gnathonemus Boulenger [G. A.] 1915:163 [Revue de Zoologie Africaine v. 4 (fasc. 2); ref. 15086] Lake Moero [Lake Mweru] ,Democratic Republic of Congo. Holotype (unique): MRAC 14137. •Synonym of Marcusenius macrolepidotus (Peters 1852) -- (Gosse 1984:85 [ref. 6169], Seegers 1996:73 [ref. 23725], Kramer et al. 2007:678 [ref. 29168]). •Most likely a subspecies of Marcusenius macrolepidotus, subspecies moeruensis (Boulenger 1915) -- (Kramer & Wink 2013:17 [2343] [ref. 32824]). Current status: Synonym of Marcusenius macrolepidotus (Peters 1852). Mormyridae. Habitat: freshwater.

monteiri, Mormyrus Günther [A.] 1873:144 [Annals and Magazine of Natural History (Series 4) v. 12 (no. 68) (art. 19); ref. 2003] Boma, Congo River, Democratic Republic of Congo. Syntypes: (3) BMNH 1873.7.28.3 (1), 1873.7.28.7 (1). •Valid as Marcusenius monteiri (Günther 1873) -- (Gosse 1984:86 [ref. 6169], Kramer & Wink 2013:9 [2335] [ref. 32824]). Current status: Valid as Marcusenius monteiri (Günther 1873). Mormyridae. Distribution: Central Africa. Habitat: freshwater.

moorii, Mormyrus Günther [A.] 1867:116 [7] [Annals and Magazine of Natural History (Series 3) v. 20 (no. 116) (art. 15); ref. 1989] Talagouga, Ogowe, Gabon. Neotype: MRAC 87685. On p. 7 of separate. Original holotype in Liverpool Museum, apparently lost. Neotype designated by Boden et al. 1997:1672 [ref. 23218]. •Valid as Marcusenius moorii (Günther 1867) -- (Gosse 1984:87 [ref. 6169], Boden et al. 1997:1672 [ref. 23218], Hopkins et al. 2007:283 [ref. 30019], Kramer & Wink 2013:9 [2335] [ref. 32824], Kisekelwa et al. 2016:350 [ref. 34365], Skelton 2019:226, 231 [ref. 36564], Decru et al. 2019:234 [ref. 36749], Mambo Baba et al. 2020:[4] [ref. 37385]). Current status: Valid as Marcusenius moorii (Günther 1867). Mormyridae. Distribution: Ogowe and Congo basins, Cameroon, Gabon, Democratic Republic of Congo and Angola. Habitat: freshwater.

multisquamatus, Marcusenius Kramer [L. B.] & Wink [M.] 2013:13 [2339], Fig. 4e [Journal of Natural History v. 47 (nos. 35-36); ref. 32824] Cunene River: Epupa Falls, Hot Springs Campsite, estimated 300 meters upstream from the Falls, 17°00'07"S, 13°14'57"E, Namibia, elevation about 600 meters. Holotype: SAIAB 78781. Paratypes: SAIAB 78780 (2), 78792 (1); ZSM 38526 (2), 38527 (2). Plus non-type specimens. •Valid as Marcusenius multisquamatus Kramer & Wink 2013 -- (Maake et al. 2014:466 [ref. 33223], Kramer et al. 2016:8 [ref. 34331], Skelton 2019:231 [ref. 36564]). Current status: Valid as Marcusenius multisquamatus Kramer & Wink 2013. Mormyridae. Distribution: Cunene River just above Epupa Falls, Angola/Namibia border. Habitat: freshwater.

ntemensis, Gnathonemus Pellegrin [J.] 1927:298 [Bulletin de la Société Zoologique de France v. 52 (for 1927); ref. 3407] Ntem River, Cameroon. Holotype (unique): MNHN 1927-0162. Type catalog: Bertin 1940:266 [ref. 293]. •Valid as Marcusenius ntemensis (Pellegrin 1927) -- (Gosse 1984:87 [ref. 6169], Teugels et al. 2001:246 [ref. 25701], Hopkins et al. 2007:287 [ref. 30019], Kramer & Wink 2013:9 [2335] [ref. 32824]). Current status: Valid as Marcusenius ntemensis (Pellegrin 1927). Mormyridae. Distribution: West-central Africa: Cameroon and Gabon. Habitat: freshwater.

nyasensis, Gnathonemus Worthington [E. B.] 1933:295, Fig. 2 [Proceedings of the Zoological Society of London Part 2; ref. 16532] Bar House and Southwest Arm, Lake Malawi [Lake Nyasa], southeastern Africa. Syntypes: (27) BMNH 1932.11.15.25-34 (27), NMW 6994 (1). •Valid as Marcusenius nyasensis (Worthington 1933) -- (Gosse 1984:87 [ref. 6169]). •Synonym of Marcusenius livingstonii (Boulenger 1899) -- (Snoeks 2004:20 [ref. 28111]). Current status: Synonym of Marcusenius livingstonii (Boulenger 1899). Mormyridae. Distribution: Eastern Africa: Lake Malawi. Habitat: freshwater.

okavangensis, Gnathonemus form Pappenheim [P.] 1907:354 [Mitteilungen aus dem Zoologischen Museum in Berlin v. 3 (no. 3); ref. 15162] Appeared as a form of Gnathonemus macrolepidotus Peters from the Okavango River, Damaraland, Africa; regarded as infrasubspecific and not available. •In the synonymy of Marcusenius macrolepidotus (Peters 1852) -- (Seegers 1996:73 [ref. 23725], Kramer et al. 2007:678 [ref. 29168]). •Possibly in the synonymy of Marcusenius altisambesi Kramer, Skelton, van der Bank & Wink 2007 -- (Kramer et al. 2007:682 [ref. 29168]). Current status: Synonym of Marcusenius macrolepidotus (Peters 1852). Mormyridae.

paucisquamatus, Marcusenius Taverne [L.], Thys van den Audenaerde [D. F. E.] & Heymer [A.] 1976:872, Fig. 1 [Revue de Zoologie Africaine v. 90 (no. 4); ref. 7396] Nyong River, Ebogo, Cameroon Republic. Holotype: MRAC 73-18-P-11. Paratypes: MNHN 1977-0021 and 0022 (2, 2), MRAC (130). •Valid as Marcusenius paucisquamatus Taverne, Thys van den Audenaerde & Heymer 1976 -- (Gosse 1984:88 [ref. 6169]). •Synonym of Marcusenius moorii (Günther 1867) -- (Boden et al. 1997:1672 [ref. 23218]). Current status: Synonym of Marcusenius moorii (Günther 1867). Mormyridae. 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]). Current status: Synonym of Marcusenius senegalensis (Steindachner 1870). Mormyridae. Habitat: freshwater.

pongolensis, Gnathonemus Fowler [H. W.] 1934:419, Fig. 6 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 86; ref. 1419] Pongola River, Paulpietersburg District, South Africa. Holotype (unique): ANSP 54950. Type catalog: Böhlke 1984:128 [ref. 13621]. •Synonym of Marcusenius macrolepidotus (Peters 1852) -- (Gosse 1984:85 [ref. 6169], Seegers 1996:73 [ref. 23725]). •Valid as Marcusenius pongolensis (Fowler 1934) -- (Kramer et al. 2007:680 [ref. 29168], Marshall 2011:53 [ref. 31755], Kramer & Wink 2013:9 [2335] [ref. 32824], Maake et al. 2014:473 [ref. 33223], Kramer et al. 2016:8 [ref. 34331], Kramer et al. 2016:369 [ref. 34938]). Current status: Valid as Marcusenius pongolensis (Fowler 1934). Mormyridae. Distribution: Southeastern Africa. Habitat: freshwater.

rheni, Gnathonemus Fowler [H. W.] 1936:250, Fig. 7 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 88; ref. 1424] Lake Victoria [Victoria Nyanza] at Kitala, Uganda. Holotype: ANSP 65543. Paratypes: ANSP 65544 (1). Type catalog: Böhlke 1984:128 [ref. 13621]. •Valid as Marcusenius rheni (Fowler 1936) -- (Gosse 1984:88 [ref. 6169]). •Probably a synonym of Marcusenius victoriae (Worthington 1929) -- (Seegers et al. 2003:29 [ref. 28087]). Current status: Synonym of Marcusenius victoriae (Worthington 1929). Mormyridae. Distribution: Eastern Africa: Lake Victoria. Habitat: freshwater.

rhodesianus, Gnathonemus Määr [A.] 1962:781, Fig. 2 [Occasional Papers of the National Museums of Southern Rhodesia. B, Natural Sciences. v. 3 (no. 26B); ref. 6047] Lake McIlwaine [now Lake Chivero], Tiber Bay, 25 miles south of Salisbury, Zimbabwe, depth 15 feet. Holotype (unique): NMBZ [ex QVMS F] 0132. •Valid as Marcusenius rhodesianus (Määr 1962) -- (Gosse 1984:88 [ref. 6169]). •Synonym of Marcusenius macrolepidotus (Peters 1852). Current status: Synonym of Marcusenius macrolepidotus (Peters 1852). Mormyridae. Distribution: Southern Africa. Habitat: freshwater.

salahie, Mormyrus Lacepède [B. G. E.] 1803:619, 622 [Histoire naturelle des poissons (Lacepède) v. 5; ref. 4930] Cairo, Egypt. No types known. •Synonym of Marcusenius cyprinoides (Linnaeus 1758) -- (Gosse 1984:81 [ref. 6169]). Current status: Synonym of Marcusenius cyprinoides (Linnaeus 1758). Mormyridae. Habitat: freshwater.

sanagaensis, Marcusenius Boden [G.], Teugels [G. G.] & Hopkins [C. D.] 1997:1661, Fig. 10 [Journal of Natural History v. 31 (no. 11); ref. 23218] Bankim, Mbam River, 6°05'N, 11°30'E, Cameroon. Holotype: MRAC 93-072-P-0001. Paratypes: MNHN 1978-0398 to 0399 (2); MRAC 73-29-P-618 to 621 (4), 93-015-P-0003 (1), 93-052-P-001 (1), 93-052-P-0002 (1), 93-072-P-0002 (1), 94-022-P-0001 to 0008 (8), 94-049-P-0016 (1), 94-074-P-0038 to 0043 (7). •Valid as Marcusenius sanagaensis Boden, Teugels & Hopkins 1997 -- (Hopkins et al. 2007:283 [ref. 30019], Kramer & Wink 2013:9 [2335] [ref. 32824], Decru et al. 2019:234 [ref. 36749]). Current status: Valid as Marcusenius sanagaensis Boden, Teugels & Hopkins 1997. Mormyridae. Distribution: Sanaga River basin, Cameroon. Habitat: freshwater.

schilthuisiae, Gnathonemus Boulenger [G. A.] 1899:73, Pl. 33 (fig. 4) [Annales du Musee du Congo (Ser. Zoology) v. 1 (fasc. 4); ref. 549] Kutu, Lake Léopold II; Stanley Pool, Congo River. Syntypes: BMNH, MRAC 663 (1). •Valid as Marcusenius schilthuisiae (Boulenger 1899) -- (Gosse 1984:88 [ref. 6169] as schilhuisiae, Boden et al. 1997:1677 [ref. 23218], Kramer & Wink 2013:9 [2335] [ref. 32824], Decru et al. 2019:233 [ref. 36749]). Current status: Valid as Marcusenius schilthuisiae (Boulenger 1899). Mormyridae. Distribution: Middle Congo basin, Central Africa. Habitat: freshwater.

senegalensis, Mormyrus Steindachner [F.] 1870:551 [19], Pl. 4 (fig. 1) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 61 (1. Abth.); ref. 18768] Taoué and Dagana, Senegal, western Africa. Syntypes: (several) NMW 55109-10 (3, 2), 82892 (1). On p. 19 of separate. •Valid as Marcusenius senegalensis (Steindachner 1870) -- (Gosse 1984:88 [ref. 6169], Lévêque et al. 1989:114 [ref. 26480], Bigorne & Paugy 1990:37 [ref. 13599], Lévèque et al. 1991:138 [ref. 31367], Dankwa et al. 1999:15 [ref. 28023], Kramer 2013:125 [ref. 32737], Kramer & Wink 2013:9 [2335] [ref. 32824]). Current status: Valid as Marcusenius senegalensis (Steindachner 1870). Mormyridae. Distribution: Western Africa. Habitat: freshwater.

stanleyanus, Mormyrus Boulenger [G. A.] 1897:426 [Annals and Magazine of Natural History (Series 6) v. 20 (no. 119) (art. 50); ref. 14629] Stanley [Boyoma] Falls, Upper Congo River, Democratic Republic of Congo. Holotype (unique): BMNH 1897.9.30.24. •Valid as Marcusenius stanleyanus (Boulenger 1897) -- (Gosse 1984:90 [ref. 6169], De Vos et al. 2001:129, 131 [ref. 26059], Kramer & Wink 2013:9 [2335] [ref. 32824], Skelton 2019:231 [ref. 36564]). Current status: Valid as Marcusenius stanleyanus (Boulenger 1897). Mormyridae. Distribution: Central Africa. Habitat: freshwater.

thomasi, Gnathonemus Boulenger [G. A.] 1916:164, Fig. 108 [Catalogue of the fresh-water fishes of Africa v. 4; ref. 585] Northern Sherbo District, Sierra Leone. Holotype (unique): BMNH 1915.4.13.5. •Valid as Marcusenius thomasi (Boulenger 1916) -- (Gosse 1984:90 [ref. 6169], Lévêque et al. 1989:114 [ref. 26480], Bigorne & Paugy 1990:38 [ref. 13599], Bigorne in Lévêque et al. 1990:143 [ref. 21589], Paugy et al. 1990:336 [ref. 26477], Kramer & Wink 2013:9 [2335] [ref. 32824]). Current status: Valid as Marcusenius thomasi (Boulenger 1916). Mormyridae. Distribution: Western Africa. Habitat: freshwater, brackish.

ussheri, Mormyrus Günther [A.] 1867:116 [7] [Annals and Magazine of Natural History (Series 3) v. 20 (no. 116) (art. 15); ref. 1989] Bossumprah River, Ghana. Syntypes: (2) BMNH 1867.4.12.8 (1). On p. 7 of separate. •Valid as Marcusenius ussheri (Günther 1867) -- (Gosse 1984:90 [ref. 6169], Bigorne & Paugy 1990:38 [ref. 13599], Bigorne in Lévêque et al. 1990:146 [ref. 21589], Paugy et al. 1990:336 [ref. 26477], Dankwa et al. 1999:15 [ref. 28023], Kramer 2013:125 [ref. 32737], Kramer & Wink 2013:9 [2335] [ref. 32824]). Current status: Valid as Marcusenius ussheri (Günther 1867). Mormyridae. Distribution: Western Africa. Habitat: freshwater.

verheyenorum, Marcusenius Mambo Baba [T.], Kisekelwa [T.], Mizani [C. D.], Decru [E.] & Vreven [E. J.] 2020:1115, Fig. 7 [Journal of Fish Biology v. 96 (no. 5); ref. 37385] Bakeledjo River at Apana, a left bank tributary of the Nepoko River, Okapi Wildlife Reserve, Democratic Republic of Congo, 2°28'09"N, 28°12'09"E. Holotype: MRAC 2015-040-P-0020. Paratypes: AMNH, BMNH, MRAC, ZSM. Plus additional non-type material. •Valid as Marcusenius verheyenorum Mambo Baba, Kisekelwa, Mizani, Decru & Vreven 2020. Current status: Valid as Marcusenius verheyenorum Mambo Baba, Kisekelwa, Mizani, Decru & Vreven 2020. Mormyridae. Distribution: Middle Congo River basin. Habitat: freshwater.

victoriae, Gnathonemus Worthington [E. B.] 1929:429, Fig. 1 [Proceedings of the Zoological Society of London Pt 3; ref. 16064] Lakes Victoria, Kioga, and Kwania; Nile River, East Africa. Syntypes: (19) BMNH 1928.1.23.1 (1) Entebbe, Lake Victoria, 1928.5.24.3-6 (4) Lake Victoria, 1929.1.24.20-23 (3?) Lake Kioga. •Valid as Marcusenius victoriae (Worthington 1929) -- (Gosse 1984:90 [ref. 6169], Seegers et al. 2003:29 [ref. 28087], Kramer & Wink 2013:9 [2335] [ref. 32824]). Current status: Valid as Marcusenius victoriae (Worthington 1929). Mormyridae. Distribution: Eastern Africa. Habitat: freshwater.

wamuinii, Marcusenius Decru [E.], Sullivan [J. P.] & Vreven [E. J.] 2019:229, Fig. 5 [Ichthyological Exploration of Freshwaters v. 29 (no. 3) IEF-1090; ref. 36749] Muila Mbulumuki, affluent of the Congo River, Kimuabi village, zone A, Mangroves National Park, lower Congo basin, Democratic Republic of Congo, 6°00'04"S, 12°33'01"E. Holotype: MRAC 2015-029-P- 0001. Paratypes: MRAC. Plus additional non-type material. •Valid as Marcusenius wamuinii Decru, Sullivan & Vreven 2019. Current status: Valid as Marcusenius wamuinii Decru, Sullivan & Vreven 2019. Mormyridae. Distribution: Mangroves National Park, lower Congo basin, Democratic Republic of Congo. Habitat: freshwater.