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Mormyrus bernhardi Pellegrin, 1926
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Mormyrus caballus Boulenger, 1898
- Mormyrus curvifrons Pellegrin, 1904; (synonym)
- Mormyrus habereri Steindachner, 1912; (synonym)
- Mormyrus jae Boulenger, 1914; (synonym)
- Mormyrus caballus but valid subspecies (Gosse, 1984
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Mormyrus casalis Vinciguerra, 1922
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Mormyrus caschive Linnaeus, 1758
- Mormyrus caschive Linnaeus, 1758; (unavailable, in synonymy)
- Mormyrus caschive Hasselquist, 1762; (opinion 57)
- Mormyrus longipinnis Rìppell, 1832; (synonym)
- Scrophicephalus longipinnis Swainson, 1838; (synonym)
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Mormyrus curviceps Gosse, 1984
- Mormyrops curviceps Roman, 1966; (valid as)
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Mormyrus cyaneus Roberts & Stewart, 1976
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Mormyrus felixi Pellegrin, 1939
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Mormyrus goheeni Fowler, 1919
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?Mormyrus hasselquist Lacep¨de, 1803
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Mormyrus hasselquistii
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M. h. guentheri Gosse, 1984
- Mormyrus guentheri Boulenger, 1899; (valid as)
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Mormyrus iriodes Roberts & Stewart, 1976
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Mormyrus kannume Forssk¥l, 1775
- Mormyrus oxyrhynchus Lacep¨de, 1803; (synonym)
- Mormyrus bachiqua Valenciennes, 1847; (synonym)
- Mormyrus nacra Valenciennes, 1847; (synonym)
- Mormyrus hildebrandti Peters, 1882; (synonym)
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Mormyrus lacerda Castelnau, 1861
- Mormyrus anchietae Guimaraes, 1884; (synonym)
- Mormyrus ellenbergeri Pellegrin, 1914; (synonym)
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Mormyrus longirostris Peters, 1852
- Mormyrus mucupe Peters, 1852; (synonym)
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Mormyrus macrocephalus Worthington, 1929
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Mormyrus macrophthalmus Gìnther, 1866
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?Mormyrus macupe Peters, 1855
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Mormyrus niloticus Gosse, 1984
- Centriscus niloticus Bloch & Schneider, 1801; (valid as)
- Mormyrus geoffroyi Valenciennes, 1847; (synonym)
- Solenomormyrus niloticus Bleeker, 1874; (valid as)
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Mormyrus ovis Boulenger, 1898
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Mormyrus pauciradiatus Steindachner, 1866
- Heteromormyrus pauciradiatus Steindachner, 1866; (valid as)
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Mormyrus rume Valenciennes, 1847
- Mormyrus jubelini Valenciennes, 1847; (synonym)
- Mormyrops bozasi Pellegrin, 1903; (synonym)
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M. r. proboscirostris Gosse, 1984
- Mormyrus proboscirostris Boulenger, 1898; (synonym)
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Mormyrus subundulatus Roberts, 1989
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Mormyrus tapirus Pappenheim, 1905
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Mormyrus tenuirostris Peters, 1882
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Mormyrus thomasi Pellegrin, 1938