| Key | Title |
| 944 | Key to the species of pearlfishes (Carapidae) occurring in the Western Central Atlantic. |
| 1342 | Key to the genera of Carapidae of the world. |
| 1343 | Key to species of Carapus of the world. |
| 1344 | Key to species of Echiodon of the world. |
| 1345 | Key to species of Encheliophis of the world. |
| 1346 | Key to species of Onuxodon of the world. |
| 1347 | Key to species of Pyramodon of the world. |