Children (47 direct children, 55 direct and indirect children):
Petrocephalus tenuicauda
Petrocephalus sauvagii
Petrocephalus catostoma
(tree size 4)
Petrocephalus schoutedeni
Petrocephalus mbossou
Petrocephalus soudanensis
Petrocephalus balayi
Petrocephalus hutereaui
Petrocephalus zakoni
Petrocephalus levequei
Elephantfish
Petrocephalus grandoculis
Petrocephalus congicus
Petrocephalus binotatus
Petrocephalus petersi
Petrocephalus similis
Petrocephalus longicapitis
Petrocephalus okavangensis
Petrocephalus degeni
Petrocephalus tanensis
Petrocephalus pallidomaculatus
Petrocephalus longianalis
Petrocephalus christyi
Petrocephalus ansorgii
Petrocephalus squalostoma
Petrocephalus gliroides
Petrocephalus sullivani
Petrocephalus microphthalmus
Petrocephalus cunganus
Petrocephalus keatingii
Petrocephalus wesselsi
Southern churchill
Petrocephalus bane
(tree size 2)
Petrocephalus pellegrini
Elephantfish
Petrocephalus bovei
(tree size 2)
Petrocephalus haullevillii
Petrocephalus magnitrunci
Petrocephalus magnoculis
Petrocephalus simus
Mormyrids
Petrocephalus steindachneri
Petrocephalus stuhlmanni
Petrocephalus valentini
Petrocephalus odzalaensis
Petrocephalus pulsivertens
Petrocephalus arnegardi
Petrocephalus boboto
Petrocephalus frieli
Petrocephalus leo
Petrocephalus marchei