| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Ascidonia miserabilis (Holthuis, 1951) |
Western Central Atlantic | ||
| Ascidonia pusilla (Holthuis, 1951) |
Eastern Central Pacific | ||
| Ascidonia quasipusilla (Chace, 1972) |
Western Central Atlantic |