Identification keys available for Family Squalidae
| Key | Title |
| 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. |
| 689 | Key to genera of Squalidae occuring in China. |
| 695 | Key to species of Squalus from China. |
| 870 | Key to the species of dogfish sharks (Squalidae) occurring in the Western Central Atlantic. |