| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Stephanostomum casum (Linton, 1910) |
Pacific Ocean | ||
| Stephanostomum dentatum unspecified |
Northeast Pacific | ||
| Stephanostomum japonocasum Durio & Manter, 1969 |
Western Central Pacific | ||
| Stephanostomum tristephanum unspecified |
Northeast Pacific |