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