| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Oligobrachia dogieli Ivanov, 1957 |
Northwest Pacific | ||
| Oligobrachia erythrocephala Southward, 1972 |
Western Central Atlantic | ||
| Oligobrachia floridana Nielsen, 1965 |
Northwest Atlantic | ||
| Oligobrachia gracilis Southward, 1978 |
Northeast Atlantic | ||
| Oligobrachia haakonmosbiensis Smirnov, 2000 |
Northeast Atlantic | ||
| Oligobrachia ivanovi Southward, 1959 |
Northeast Atlantic | ||
| Oligobrachia mashikoi Gureeva & Ivanov, 1986 |
Beard worm | Northwest Pacific | |
| Oligobrachia webbi Brattegard, 1966 |
Northeast Atlantic |