Identification keys available for Family Urolophidae
| Key | Title |
| 117 | Key to the species of stingarees (Urolophidae) occuring in the Western Central Pacific. |
| 703 | Key to species of Urotrygon from China. |
| 889 | Key to species of American round stingrays (Urotrygonidae) occurring in the Western Central Atlantic. |