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Pycnodonte convexa (Say 1820) Oyster internal and external view of left valve
(DSM# 10761) Bottom image of shell shows growth lines. The upper image shows the inside of the oyster including the round muscle scar.
Exogyra costata (Say 1871) Oyster right/left valve
(no DSM#) Extinct species - This oyster that is extremely common in the Late Cretaceous strata of North Mississippi. Sometimes you can find these creatures encrusting other organisms.
Glycymeris microsulci (Wade 1926) Clam valves
(DSM# FK326) Genus of bivalve that lived on the coastal inner shelf and grew by the process of accretion.
Agerostrea falcata (Sowerby 1836) Interior and exterior views of left valve
(DSM 1853) This extinct oyster is relatively small. It has a distinctly ornamented shell that is curved.
Cucullaea vulgaris (Morton 1830) Ark clam interior view
(DSM# 3184/FK144) Also known as a "False Ark Shell."
Cucullaea vulgaris (Morton 1830) Ark clam right/left valve
(DSM# 3121/FK145) Also known as a "False Ark Shell."
Cucullaea vulgaris (Morton 1830) Clam shells in matrix
(DSM FK149) Also known as a "False Ark Shell."
Cardium eufelense (Conrad 1860) Single clam valve
(DSM# 3730/FK335) Genus of bivalve mollusk suspension feeder.
Cardium stantoni (Wade 1926) R/L valves of clam
(DSM# 3127/FK160) Extinct genus of marine bivalve.
Cardium? sp. (Linnaeus 1758) Internal mold both valves
(DSM# 10763) Steinkern of common cockle shell.