| Order | Family | Genus | Species |
|---|---|---|---|
| Acochlidiacea | 9 | 14 | 125 |
| Aplysiida | 2 | 10 | 108 |
| Architaenioglossa | 10 | 88 | 934 |
| Cephalaspidea | 17 | 72 | 461 |
| Cycloneritida | 6 | 35 | 327 |
| Ellobiida | 3 | 27 | 157 |
| Lepetellida | 7 | 43 | 699 |
| Littorinimorpha | 73 | 782 | 3990 |
| Neogastropoda | 40 | 686 | 4717 |
| Neomphalida | 2 | 20 | 148 |
| Nudibranchia | 66 | 249 | 2151 |
| Pleurobranchida | 2 | 11 | 65 |
| Pleurotomariida | 2 | 10 | 45 |
| Pteropoda | 12 | 28 | 390 |
| Runcinacea | 2 | 6 | 31 |
| Seguenziida | 4 | 20 | 39 |
| Siphonariida | 1 | 8 | 268 |
| Stylommatophora | 114 | 1233 | 9321 |
| Systellommatophora | 3 | 35 | 190 |
| Trochida | 11 | 142 | 764 |
| Umbraculida | 2 | 2 | 8 |