Bivalve (Pelecypoda) steinkern (articulated valves)
Bob Campbell Geology Museum Formation: Harleyville Formation.
Bivalve (Pelecypoda), left valve and steinkern (unassociated)
Bob Campbell Geology Museum Formation: Clinchfield Formation.
Bivalve (Pelecypoda), valve steinkern in matrix
Bob Campbell Geology Museum Formation: Santee Limestone.
Bivalve, articulated specimen
Bob Campbell Geology Museum Formation: Plattsburg Limestone; Member: Spring Hill Limestone.
Bivalve (Pelecypoda), unassociated right and left valve steinkern
Bob Campbell Geology Museum Formation: Santee Limestone.
Bivalve (Pelecypoda), steinkern in matrix
Bob Campbell Geology Museum Formation: Tupelo Bay Formation.