Family Etmopteridae

Aculeola - The type specimen is held at the National Natural History Museum, Santiago, Chile.

Centroscyllium - See text.

Etmopterus - Etmopterus, commonly known as lantern sharks, is a genus of squaliform sharks in the family Etmopteridae.

Miroscyllium - The rasptooth dogfish, Miroscyllium sheikoi, is a dogfish, the only species in the genus Miroscyllium, found on the Kyushu-Palau Ridge in the northwest Pacific Ocean at depths of 360 m.

Trigonognathus - The viper dogfish, Trigonognathus kabeyai, is a dogfish, the only species in the genus Trigonognathus, found off Wakayama and Tokushima, Japan, in the northwest Pacific Ocean at depths of between 330 and 360 m.