| Order | Family | Genus | Species |
|---|---|---|---|
| Acochlidiacea | 9 | 15 | 137 |
| Aplysiida | 2 | 10 | 108 |
| Architaenioglossa | 10 | 88 | 934 |
| Cephalaspidea | 17 | 72 | 462 |
| Cycloneritida | 6 | 35 | 329 |
| Ellobiida | 3 | 27 | 158 |
| Lepetellida | 7 | 43 | 702 |
| Littorinimorpha | 73 | 785 | 4035 |
| Neogastropoda | 40 | 687 | 4724 |
| Neomphalida | 2 | 20 | 148 |
| Nudibranchia | 68 | 253 | 2204 |
| Pleurobranchida | 2 | 11 | 66 |
| Pleurotomariida | 2 | 10 | 45 |
| Pteropoda | 12 | 28 | 390 |
| Runcinacea | 2 | 6 | 31 |
| Seguenziida | 4 | 20 | 40 |
| Siphonariida | 1 | 8 | 268 |
| Stylommatophora | 114 | 1234 | 9334 |
| Systellommatophora | 3 | 35 | 191 |
| Trochida | 11 | 142 | 768 |
| Umbraculida | 2 | 2 | 8 |