Třída: Actinopterygii - paprskoploutví
Řád: Gymnotiformes - nahohřbetí
Čeleď: Apteronotidae - nožovkovití

Typový druh: Sternarchus sachsi Peters, 1877

Reference: 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, Pls. 1-103.

Přehled druhů

• Adontosternarchus balaenops (Cope, 1878)
  Nožovka pebaská
  Cope, E. D.   1878. Synopsis of the fishes of the Peruvian Amazon, obtained by Professor Orton during his expeditions of 1873 and 1877. Proc. Am. Philos. Soc. v. 17 (no. 101): 673-701.
• Adontosternarchus clarkae Mago-Leccia, Lundberg & Baskin, 1985
  Nožovka mahavatská
  Mago-Leccia, F., J. G. Lundberg & J. N. Baskin   1985. Systematics of the South American freshwater fish genus Adontosternarchus (Gymnotiformes, Apteronotidae). Contrib. Sci. (Los Angel.) No. 358: 1-19.
• Adontosternarchus devenanzii Mago-Leccia, Lundberg & Baskin, 1985
  Nožovka cuajaritská
  Mago-Leccia, F., J. G. Lundberg & J. N. Baskin   1985. Systematics of the South American freshwater fish genus Adontosternarchus (Gymnotiformes, Apteronotidae). Contrib. Sci. (Los Angel.) No. 358: 1-19.
• Adontosternarchus nebulosus Lundberg & Fernandes, 2007
  Lundberg, J.G. & Fernandes, C.C. 2007. A new species of South American ghost knifefish (Apteronotidae: Adontosternarchus) from the Amazon Basin. Proceedings of the Academy of Natural Sciences of Philadelphia, 156: 27–37.
• Adontosternarchus sachsi (Peters, 1877)
  Nožovka Sachsova
  Peters, W. (C. H.)   1877. Über die von Dr. C. Sachs in Venezuela gesammelten Fische. Monatsb. Akad. Wiss. Berlin 1877: 469-473.

Statistické údaje

Počet druhů: 5