The fossil records show molluscs have been systematically diverse ... Specimen of the large marine gastropod Voluta muricana showing an ornate, spiralling shell with a large aperture. An Eocene shell ...

gastropods, and brachiopods. Prior to the discoveries made at Mammoth Cave over the last several years, no shark fossils were known from the Ste. Genevieve Formation. To date, over 70 species of ...

It showcases fossils from the Talchir Formation, the earliest phase of the Permian, including bivalves (Aviculopecten, Eurydesma), gastropods, brachiopods, crinoids, and bryozoans. Students ...