Typový druh
Mormyrus bane Lacepède, 1803
Původní popis
Marcusen J. 1854. Vorläufige Mittheilung aus einer Abhandlung über die Familie der Mormyren. Bull. Imp. Acad. Sci. St. Petersburg v. 12 (no. 1). 1-14.
Přehled druhů
Petrocephalus ansorgii Boulenger, 1903
rypoun agberský
Petrocephalus arnegardi Lavoué & Sullivan, 2014
Petrocephalus balayi Sauvage, 1883
rypoun Balayův
Petrocephalus balteatus Rochebrune, 1885
Petrocephalus bane (Lacepède, 1803)
rypoun bane
Petrocephalus binotatus Pellegrin, 1924
rypoun znamenaný
Petrocephalus boboto Lavoué & Sullivan, 2014
Petrocephalus bovei (Valenciennes, 1847)
rypoun Boveův
Petrocephalus catostoma (Günther, 1866)
rypoun tupohlavý
Petrocephalus congicus David & Poll, 1937
Petrocephalus cunganus Boulenger, 1910
rypoun středoafrický
Petrocephalus degeni Boulenger, 1906
Petrocephalus frieli Lavoué, 2012
Petrocephalus gliroides (Vinciguerra, 1897)
rypoun hlodozubý
Petrocephalus grandoculis Boulenger, 1920
rypoun obrooký
Petrocephalus guttatus Fowler, 1936
rypoun potřísněný
Petrocephalus haullevillii Boulenger, 1912
Petrocephalus hutereaui (Boulenger, 1913)
rypoun Hutereaův
Petrocephalus christyi Boulenger, 1920
rypoun lindský
Petrocephalus keatingii Boulenger, 1901
rypoun Keatingův
Petrocephalus leo Lavoué, 2016
Petrocephalus levequei Bigorne & Paugy, 1990
rypoun bumbunský
Petrocephalus longianalis Kramer, Bills, Skelton & Wink, 2012
Petrocephalus longicapitis Kramer, Bills, Skelton & Wink, 2012
Petrocephalus magnitrunci Kramer, Bills, Skelton & Wink, 2012
Petrocephalus magnoculis Kramer, Bills, Skelton & Wink, 2012
Petrocephalus mbossou Lavoué, Sullivan & Arnegard, 2010
Petrocephalus microphthalmus Pellegrin, 1909
rypoun malooký
Petrocephalus odzalaensis Lavoué, Sullivan & Arnegard, 2010
Petrocephalus okavangensis Kramer, Bills, Skelton & Wink, 2012
Petrocephalus pallidomaculatus Bigorne & Paugy, 1990
rypoun bledoskvrnný
Petrocephalus pellegrini Poll, 1941
rypoun Pellegrinův
Petrocephalus petersi Kramer, Bills, Skelton & Wink, 2012
Petrocephalus pulsivertens Lavoué, Sullivan & Arnegard, 2010
Petrocephalus sauvagii (Boulenger, 1887)
rypoun Sauvageův
Petrocephalus schoutedeni Poll, 1954
rypoun Schoutedenův
Petrocephalus similis Lavoué, 2011
Petrocephalus simus Sauvage, 1879
rypoun ploskorypý
Petrocephalus soudanensis Bigorne & Paugy, 1990
rypoun niandanský
Petrocephalus squalostoma (Boulenger, 1915)
rypoun drsnoústý
Petrocephalus steindachneri Fowler, 1958
Petrocephalus stuhlmanni Boulenger, 1909
Petrocephalus sullivani Lavoué, Hopkins & Kamdem Toham, 2004
Petrocephalus tanensis Whitehead & Greenwood, 1959
Petrocephalus tenuicauda (Steindachner, 1894)
rypoun útloocasý
Petrocephalus valentini Lavoué, Sullivan & Arnegard, 2010
Petrocephalus wesselsi Kramer & van der Bank, 2000
rypoun Wesselsův
Petrocephalus zakoni Lavoué, Sullivan & Arnegard, 2010