Alphabetical Listing of Species within this Taxa Group:

species     Physella acuta		T4032185
species     Physella ancillaria		T4032186
species     Physella gyrina		T4032187
species     Physella hendersoni		T4032188
species     Physella johnsoni		T4032189
species     Physella spelunca		T4035081
species     Physella virgata		T4032190
species     Physella winnipegensis		T4035082
species     Physella zionis		T4032192