| Order | Family | Genus | Species |
|---|---|---|---|
| Acochlidiacea | 9 | 15 | 138 |
| Aplysiida | 2 | 10 | 107 |
| Architaenioglossa | 10 | 94 | 987 |
| Cephalaspidea | 17 | 72 | 472 |
| Cycloneritida | 6 | 35 | 334 |
| Ellobiida | 3 | 27 | 172 |
| Lepetellida | 8 | 44 | 725 |
| Littorinimorpha | 76 | 808 | 4220 |
| Neogastropoda | 45 | 775 | 5397 |
| Neomphalida | 2 | 21 | 153 |
| Nudibranchia | 69 | 259 | 2204 |
| Pleurobranchida | 2 | 11 | 68 |
| Pleurotomariida | 2 | 10 | 45 |
| Pteropoda | 12 | 28 | 391 |
| Runcinacea | 2 | 6 | 33 |
| Seguenziida | 4 | 28 | 44 |
| Siphonariida | 1 | 9 | 269 |
| Stylommatophora | 114 | 1370 | 9772 |
| Systellommatophora | 3 | 35 | 210 |
| Trochida | 11 | 164 | 805 |
| Umbraculida | 2 | 2 | 8 |