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Petrocephalus balayi
- Petrocephalus balayi Sauvage, 1883; (valid as)
- Mormyrus amblystoma Gìnther, 1896; (synonym)
- Petrocephalus ballayi Boulenger, 1909; (unjustified emendation)
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?Petrocephalus balteatus Rochebrune, 1885
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Petrocephalus bane Marcusen, 1854
- Mormyrus bane Lacep¨de, 1803; (valid as)
- Mormyrus dequesne Valenciennes, 1847; (synonym)
- Mormyrus ehrenbergii Valenciennes, 1847; (synonym)
- Mormyrus joannisii Valenciennes, 1847; (synonym)
- Petrocephalus bane Gosse, 1984
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Petrocephalus binotatus Pellegrin, 1924
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Petrocephalus bovei Gosse, 1984
- Mormyrus bovei Valenciennes, 1847; (valid as)
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P. b. guineensis Reizer, Mattei & Chevalier, 1973
- Petrocephalus bovei occidentalis Reizer, Mattei & Chevalier, 1973; (misspelling)
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Petrocephalus brevipedunculatus Svensson, 1933
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Petrocephalus catostoma Gosse, 1984
- Mormyrus catostoma Gìnther, 1866; (valid as)
- Petrocephalus degeni Boulenger, 1906; (synonym)
- Petrocephalus stuhlmanni Boulenger, 1909; (synonym)
- Petrocephalus haullevillii Boulenger, 1912; (synonym)
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Petrocephalus christyi Boulenger, 1920
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Petrocephalus cunganus Boulenger, 1910
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Petrocephalus gliroides Gosse, 1984
- Mormyrus gliroides Vinciguerra, 1897; (valid as)
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Petrocephalus grandoculis Boulenger, 1920
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Petrocephalus guttatus Fowler, 1936
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Petrocephalus hutereaui Gosse, 1984
- Marcusenius hutereaui Boulenger, 1913; (valid as)
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Petrocephalus keatingii Boulenger, 1901
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Petrocephalus levequei Bigorne & Paugy, 1991
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Petrocephalus microphthalmus Pellegrin, 1908
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Petrocephalus pallidomaculatus Bigorne & Paugy, 1991
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Petrocephalus pellegrini Poll, 1941
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Petrocephalus sauvagii Gosse, 1984
- Mormyrus sauvagii Boulenger, 1887; (valid as)
- Petrocephalus sauvagii Boulenger, 1887; (valid as)
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Petrocephalus schoutedeni Poll, 1954
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Petrocephalus simus Sauvage, 1879
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Petrocephalus soudanensis Bigorne & Paugy, 1991
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Petrocephalus squalostoma Gosse, 1984
- Marcusenius squalostoma Boulenger, 1915; (valid as)
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Petrocephalus steindachneri Fowler, 1958
- Petrocephalus affinis Steindachner, 1914; (1 homonym)
- Petrocephalus steindachneri Fowler, 1958; (replacement)
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Petrocephalus tenuicauda
- Mormyrus tenuicauda Steindachner, 1895; (valid as)
- Petrocephalus tenuicauda Bigorne & Paugy, 1991; (valid as)