After Froese & Pauly, 2001 [“The Fishbase”]

<==o Petrocephalus ()? [25]
   |-- P. ansorgii Boulenger, 1903
   |-- P. ballayi Sauvage, 1883
   |--o P. bane (Lacépède, 1803)
   |  |-- P. b. bane (Lacépède, 1803)
   |  `-- P. b. comoensis de Merona, 1979
   |-- P. binotatus Pellegrin, 1924
   |--o P. bovei (Valenciennes, 1847)
   |  |-- P. b. bovei (Valenciennes, 1847)
   |  `-- P. b. guineensis Reizer, Mattei & Chevalier, 1973
   |--o P. catostoma (Günther, 1866) (Churchill)
   |  |-- P. c. catostoma (Günther, 1866) (Churchill)
   |  |-- P. c. congicus David & Poll, 1937
   |  |-- P. c. haullevillei (Boulenger, 1912)
   |  `-- P. c. tanensis Whitehead & Greenwood, 1959
   |-- P. christyi Boulenger, 1920
   |-- P. cunganus Boulenger, 1910
   |-- P. gliroides (Vinciguerra, 1897)
   |-- P. grandoculis Boulenger, 1920
   |-- P. guttatus Fowler, 1936
   |-- P. hutereaui (Boulenger, 1913)
   |-- P. keatingii Boulenger, 1901
   |-- P. levequei Bigorne & Paugy, 1991
   |-- P. microphthalmus Pellegrin, 1908
   |-- P. pallidomaculatus Bigorne & Paugy, 1991
   |-- P. pellegrini Poll, 1941
   |-- P. sauvagii (Boulenger, 1887)
   |-- P. schoutedeni Poll, 1954
   |-- P. simus Sauvage, 1879
   |-- P. soudanensis Bigorne & Paugy, 1991
   |-- P. squalostoma (Boulenger, 1915)
   |-- P. steindachneri Fowler, 1958
   |-- P. tenuicauda (Steindachner, 1895)
   `-- P. wesselsi Kramer & van der Bank, 2000 (Southern Churchill)

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