3 Mariana Islands species out of 10 reported
Additional Volvatellidae species reported from the Mariana Islands by Carlson and Hoff (2003):
- Ascobulla cf. japonica
- Ascobulla sp. 2, yellow on head
- Volvatella pyriformis
- Volvatella viridis
- Volvatella sp. 1, on Caulerpa lentillifera
- Volvatella sp. 2, Gun Beach
- Volvatella sp. 3, on Caulerpa serrulata
- Volvatella sp. 4, pale green, deep