| Key | Title |
| 491 | Key to new world hagfishes (genus Myxine). |
| 679 | Key to genera of hagfishes (Myxinidae) occuring in China. |
| 680 | Key to species of Eptatretus occuring in China. |
| 681 | Key to species of Paramyxine occuring in China. |
| 1312 | Key to the Myxinidae of Alaska. |