n = 25
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Cyclothone acclinidens | Garman, 1899 | Cyclothone acclinidens | Gonostomatidae | Benttooth bristlemouth |
| Cyclothone acclinideus | Garman, 1899 | Cyclothone acclinidens | Gonostomatidae | Benttooth bristlemouth |
| Cyclothone alba | Brauer, 1906 | Cyclothone alba | Gonostomatidae | Bristlemouth |
| Cyclothone atraria | Gilbert, 1905 | Cyclothone atraria | Gonostomatidae | Deep-water bristlemouth |
| Cyclothone braueri | Jespersen & Tåning, 1926 | Cyclothone braueri | Gonostomatidae | Garrick |
| Cyclothone canina | Gilbert, 1905 | Cyclothone pallida | Gonostomatidae | Tan bristlemouth |
| Cyclothone elongata | (Günther, 1878) | Sigmops elongatus | Gonostomatidae | Elongated bristlemouth fish |
| Cyclothone grandis | Collett, 1896 | Sigmops bathyphilus | Gonostomatidae | Spark anglemouth |
| Cyclothone kobayashii | Miya, 1994 | Cyclothone kobayashii | Gonostomatidae | Kobayashi's bristlemouth |
| Cyclothone livida | Brauer, 1902 | Cyclothone livida | Gonostomatidae | |
| Cyclothone megalops | Lütken, 1898 | Bajacalifornia megalops | Alepocephalidae | Bigeye smooth-head |
| Cyclothone microdon | (Günther, 1878) | Cyclothone microdon | Gonostomatidae | Veiled anglemouth |
| Cyclothone microdon pallidon | Brauer, 1902 | Cyclothone pallida | Gonostomatidae | Tan bristlemouth |
| Cyclothone microdon pygmaea | Jespersen & Tåning, 1926 | Cyclothone pygmaea | Gonostomatidae | |
| Cyclothone obscura | Brauer, 1902 | Cyclothone obscura | Gonostomatidae | Hidden bristlemouth |
| Cyclothone pacifica | Mukhacheva, 1964 | Cyclothone atraria | Gonostomatidae | Deep-water bristlemouth |
| Cyclothone pallida | Brauer, 1902 | Cyclothone pallida | Gonostomatidae | Tan bristlemouth |
| Cyclothone parapallida | Badcock, 1982 | Cyclothone parapallida | Gonostomatidae | Shadow bristlemouth |
| Cyclothone pseudoacclinidens | Quéro, 1974 | Cyclothone acclinidens | Gonostomatidae | Benttooth bristlemouth |
| Cyclothone pseudopallida | Mukhacheva, 1964 | Cyclothone pseudopallida | Gonostomatidae | Slender bristlemouth |
| Cyclothone pygmaea | Jespersen & Tåning, 1926 | Cyclothone pygmaea | Gonostomatidae | |
| Cyclothone rhodadenia | Gilbert, 1905 | Sigmops elongatus | Gonostomatidae | Elongated bristlemouth fish |
| Cyclothone signata | Garman, 1899 | Cyclothone signata | Gonostomatidae | Showy bristlemouth |
| Cyclothone signata alba | Brauer, 1906 | Cyclothone alba | Gonostomatidae | Bristlemouth |
| Cyclothone sumiae | Kobayashi, 1973 | Cyclothone kobayashii | Gonostomatidae | Kobayashi's bristlemouth |