| Key | Title |
| 58 | Key to the types of non-exterilium larvae (Congridae) of the Western North and Central Pacific. |
| 135 | Key to the subfamilies and genera of conger eels (Congridae) occuring in the Western Central Pacific. |
| 910 | Key to species of conger eels (Congridae) occurring in the Western Central Atlantic. |
| 1077 | Key to Indo-Pacific garden eels (Congridae: Heterocongrinae). |