Čeleď: Notopteridae Bleeker, 1851
Rod: Xenomystus Günther, 1868
Notopterus nili (Xenomystus) Steindachner, 1881.
nožovec černý
nožovec africký
xenomystus africký
xenomystus nigerský
Günther, A. 1868. Catalogue of the fishes in the British Museum. Catalogue of the Physostomi, containing the families Heteropygii, Cyprinidae, Gonorhynchidae, Hyodontidae, Osteoglossidae, Clupeidae,... [thru]... Halosauridae, in the colelction of the British Museum. Cat. Fishes v. 7: i-xx + 1-512.