| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Pycnosomia asterophila Stock, 1981 |
Western Pacific | 1.5 | |
| Pycnosomia coxata Stock, 1991 |
Central Indo-West Pacific | ||
| Pycnosomia strongylocentroti (Losina-Losinsky, 1933) |
Eastern Pacific | ||
| Pycnosomia tuberculata Losina-Losinsky, 1961 |
Northwest Pacific |