1) Siphonariida (1 families)

2) Mesogastropoda (3 families)

3) Stylommatophora (27 families)

4) Neogastropoda (9 families)

5) [unassigned] Caenogastropoda (1 families)

6) Lepetellida (2 families)

7) Systellommatophora (1 families)

8) Architaenioglossa (1 families)

9) Sacoglossa (1 families)

10) Aplysiida (1 families)

11) Patellogastropoda (2 families)

12) Hygrophila (4 families)

13) Nudibranchia (3 families)

14) Pleurobranchida (1 families)

15) Littorinimorpha (7 families)

16) Trochida (4 families)

17) Opisthobranchia (1 families)

18) Cycloneritimorpha (1 families)

19) Cephalaspidea (1 families)