| Key | Title |
| 433 | Key to the species of Eustomias. |
| 483 | Key to the species of North Atlantic Eustomias. |
| 930 | Key to the genera and species of snaggletooths (stareaters) (Astronesthidae) occurring in the Western Central Atlantic. |
| 931 | Key to the genera of loosejaws (Malacosteidae) occurring in the Western Central Atlantic. |
| 932 | Key to the genera of scaleless dragonfishes (scaleless black dragonfishes) (Melanostomiidae) occurring in the Western Central Atlantic. |