Třída: Actinopterygii - paprskoploutví
Řád: Argentiniformes - stříbrnicotvaří
Čeleď: Microstomatidae - drobnotlamkovití

Typový druh: Bathylagus longipinnis Kobilyansky, 1985

Reference: Kobyliansky S. G. 1986. Materials for a revision of the family Bathylagidae (Teleostei, Salmoniformes). Trans. P. P. Shirshov Inst. Oceanol. v. 121. 6-50.

Přehled druhů

• Bathylagichthys australis Kobyliansky, 1990
  Okatka jižní
  Kobyliansky, S. G. 1990. Two new species of the genus Bathylagichthys Kobyliansky [Kobilyansky] (Bathylagidae, Salmoniformes) from Southern Hemisphere subpolar waters. Voprosy Ikhtiologii v. 30 (no. 4): 537-542.
• Bathylagichthys greyae (Cohen, 1958)
  Okatka Greyové
  Cohen, D. M. 1958. Two new species of Bathylagus from the western North Atlantic with notes on other species. Breviora No. 98: 1-9.
• Bathylagichthys longipinnis (Kobyliansky, 1985)
  Okatka dlouhoploutvá
  Kobyliansky, S. G. 1985. Material for the revision of the genus Bathylagus Günther (Bathylagidae): the group of "light" deepsea smelts. Voprosy Ikhtiologii v. 25 (no. 1): 51-67.
• Bathylagichthys parini Kobyliansky, 1990
  Okatka Parinova
  Kobyliansky, S. G. 1990. Two new species of the genus Bathylagichthys Kobyliansky [Kobilyansky] (Bathylagidae, Salmoniformes) from Southern Hemisphere subpolar waters. Voprosy Ikhtiologii v. 30 (no. 4): 537-542.
• Bathylagichthys problematicus (Lloris & Rucabado, 1985)
  Okatka jihoatlantská
  Lloris, D. & J. A. Rucabado. 1985. A new species of Nansenia (N. problematica) (Salmoniformes: Bathylagidae) from the southeast Atlantic. Copeia 1985 (no. 1): 141-145.

Statistické údaje

Počet druhů: 5