| Myrichthys xysturus (Jordan & Gilbert, 1882) |
| Myrophinae Kaup, 1856 |
| Myrophis Lütken, 1852 |
| Myrophis egmontis Jordan, 1884 |
| Myrophis lumbricus Jordan & Gilbert, 1882 |
| Myrophis macrophthalmus Parr, 1930 |
| Myrophis microps Parr, 1930 |
| Myrophis platyrhynchus Breder Jr., 1927 |
| Myrophis plumbeus (Cope, 1871) |
| Myrophis punctatus Lütken, 1852 |
| Myrophis vafer Jordan & Gilbert, 1883 |
| Notophtophis Castro-Aguirre & Suárez de los Cobos, 1983 |
| Notophtophis brunneus Castro-Aguirre & Suárez de los Cobos, 1983 |
| Omochelys Fowler, 1918 |
| Omochelys marginatus Fowler, 1948 |
| Ophichthidae Günther, 1870 |
| Ophichthinae Günther, 1870 |
| Ophichthus J. N. Ahl, 1789 |
| Ophichthus afuerae Hildebrand, 1946 |
| Ophichthus apachus McCosker & Rosenblatt, 1998 |