Identification keys available for Order Squaliformes
| Key | Title |
| 30 | Key to the species of bramble sharks (Echinorhinidae) occuring in the Western Central Pacific. |
| 31 | Key to the species of dogfish sharks (Squalidae) occuring in the Western Central Pacific. |
| 48 | Key to the dogfish sharks/spurdogs (Squalidae) of Europe. |
| 275 | Key to Species of Somniosus Lesueur, 1818 (Somniosidae) |
| 689 | Key to genera of Squalidae occuring in China. |
| 690 | Key to species of Centrophorus from China. |
| 691 | Key to species of Centroscymnus from China. |
| 692 | Key to species of Etmopterus from China. |
| 693 | Key to species of Isistius from China. |
| 694 | Key to species of Scymnodon from China. |
| 695 | Key to species of Squalus from China. |
| 870 | Key to the species of dogfish sharks (Squalidae) occurring in the Western Central Atlantic. |
| 871 | Key to the species of gulper sharks (Centrophoridae) occurring in the Western Central Atlantic. |
| 872 | Key to the species of lantern sharks (black dogfishes) [Dalatiidae (=Etmopteridae)] occurring in the Western Central Atlantic. |
| 873 | Key to the species of sleeper sharks [Dalatiidae (=Somniosidae)] occurring in the Western Central Atlantic. |
| 874 | Key to the species of kitefin sharks (Dalatiidae) occurring in the Western Central Atlantic. |