| Order | Family | Genus | Species |
|---|---|---|---|
| Acochlidiacea | 9 | 14 | 125 |
| Aplysiida | 2 | 10 | 108 |
| Architaenioglossa | 9 | 87 | 932 |
| Cephalaspidea | 17 | 72 | 460 |
| Cycloneritida | 6 | 35 | 326 |
| Ellobiida | 3 | 27 | 156 |
| Lepetellida | 7 | 43 | 699 |
| Littorinimorpha | 73 | 778 | 3953 |
| Neogastropoda | 40 | 674 | 4704 |
| Neomphalida | 2 | 20 | 145 |
| Nudibranchia | 66 | 248 | 2139 |
| Pleurobranchida | 2 | 11 | 65 |
| Pleurotomariida | 2 | 10 | 45 |
| Pteropoda | 12 | 28 | 388 |
| Runcinacea | 2 | 6 | 31 |
| Seguenziida | 4 | 20 | 39 |
| Siphonariida | 1 | 8 | 268 |
| Stylommatophora | 114 | 1216 | 9247 |
| Systellommatophora | 3 | 35 | 189 |
| Trochida | 11 | 139 | 724 |
| Umbraculida | 2 | 2 | 8 |