| Leptocephalus anaelisae Tommasi, 1960 |
| Leptocephalus caribbaeus Fowler, 1944 |
| Leptocephalus caudomaculatus Eigenmann & Kennedy, 1902 |
| Leptocephalus enchodon Lea, 1913 |
| Leptocephalus feathersi Fowler, 1944 |
| Leptocephalus gilberti Eigenmann & Kennedy, 1902 |
| Leptocephalus gracilis Storer, 1846 |
| Leptocephalus harringtonensis Mowbray, 1931 |
| Leptocephalus hyoproroides Strömman, 1896 |
| Leptocephalus mollis Fowler, 1944 |
| Leptocephalus mucronatus Eigenmann & Kennedy, 1902 |
| Leptocephalus similis Lea, 1913 |
| Ophisoma Swainson, 1839 |
| Ophisoma macrurum Gilbert, 1891 |
| Ophisoma nitens Jordan & Bollman, 1890 |
| Ophisoma prorigerum Gilbert, 1891 |
| Parabathymyrus Kamohara, 1938 |
| Parabathymyrus oregoni D. G. Smith & Kanazawa, 1977 |
| Paraconger Kanazawa, 1961 |
| Paraconger californiensis Kanazawa, 1961 |