Třída: Actinopterygii - paprskoploutví
Řád: Ophidiiformes - hrujovci
Čeleď: Ophidiidae - hrujovití

Typový druh: Porogadus rostratus Günther, 1887

Reference: Goode, G. B. & T. H. Bean. 1896. Oceanic ichthyology, a treatise on the deep-sea and pelagic fishes of the world, based chiefly upon the collections made by the steamers Blake, Albatross, and Fish Hawk in the northwestern Atlantic, with an atlas containing 417 figures. Spec. Bull. U. S. Natl. Museum No. 2: Text: i-xxxv + 1-26 + 1-553, Atlas: i-xxiii, 1-26, 123 pls.

Přehled druhů

• Alcockia rostrata (Günther, 1887)
  Hrujovka dlouhorypá
  Günther, A. 1887. Report on the deep-sea fishes collected by H. M. S. Challenger during the years 1873-76. Rep. Sci. Res. Voy. H.M.S. Challenger v. 22 (pt 57): i-lxv + 1-268, Pls. 1-66.

Statistické údaje

Počet druhů: 1