Fishes
Class Elasmobranchii Bonaparte, 1838
see Subclass Elasmobranchii Bonaparte, 1838
Order Squaliformes Compagno, 1973 - dogfish sharks
Family Dalatiidae Gray, 1851 - kitefin sharks
1 Subfamily Etmopterinae Fowler, 1934
see Family Etmopteridae Fowler, 1934
2 Subfamily Somniosinae Jordan, 1888 - sleeper sharks
see Family Somniosidae Jordan, 1888
3 Subfamily Oxynotinae Gill, 1872
see Family Oxynotidae Gill, 1872
4 Subfamily Dalatiinae (Gray, 1851)