Phylum Mollusca;
Class Pelecypoda
Initial sort from all collections. These 'clams' had shells of aragonite which was not preserved. Fossils are weathered casts of the inside of the bivalve shell, so are difficult to identify. Based on Fenton & Fenton (1924)there are: 3 forms of Paracyclas sabini, and typical Grammysis(?) dubia.
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