Úvod » Systém » Actinopterygii » Gymnotiformes » Apteronotidae » Porotergus
Třída: Actinopterygii — paprskoploutví
Řád: Gymnotiformes — nahohřbetí
Čeleď: Apteronotidae — nožovkovití
Porotergus gymnotus Ellis, 1912
Eigenmann C. H. 1912. The freshwater fishes of British Guiana, including a study of the ecological grouping of species, and the relation of the fauna of the plateau to that of the lowlands. Mem. Carnegie Mus. v. 5 (no. 1). i-xxii + 1-578.