Alphabetical Listing of Families within this Taxa Group:
family
Cavoliniidae
T4000697
family
Cliidae
T4003509
family
Clionidae
T4002230
family
Cliopsidae
T4008469
family
Creseidae
T4003511
family
Cymbuliidae
T4009190
family
Desmopteridae
T4002237
family
Hydromylidae
T4023617
family
Limacinidae
T4002227
family
Notobranchaeidae
T4008470
family
Peraclidae
T4009127
family
Pneumodermatidae
T4001977