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, a new tool to create lithological/sedimentological logs online..
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Crassatella Pelecypod Fossil Evidence of Predation
The shell fossil in the first picture shows signs of predation probably from some sort of gastropod. These fossils appear to be Crassatella vadosus pelecypods (named by Morton 1834). They existed during the Cretaceous Period (about 70 million years ago). This fossil was found in McNairy County, Tennessee (Ripley Formation). See their identification PDF at this LINK. Learn more about these