Alphabetical Listing of Families within this Taxa Group:

family     Arcticidae		T4008426
family     Cardiidae		T4009657
family     Corbulidae		T4017127
family     Donacidae		T4009647
family     Mactridae		T4008602
family     Myidae		T4017126
family     Pharidae		T4009648
family     Pholadidae		T4009659
family     Semelidae		T4010009
family     Tellinidae		T4009658
family     Thyasiridae		T4009646
family     Trapezidae		T4001421
family     Veneridae		T4008427