DIRK WIERSMA / SCIENCE PHOTO LIBRARY DIRK WIERSMA / SCIENCE PHOTO LIBRARY
Fossil of the snail Tibia dentate, a Gastropod of the family Rostellariidae. Found in Miocene sediments located in a quarry near Weitendorf, Austria, where they are associated with basalt extrusions. The species was earlier named Rostellaria dentata. Actual length of fossil is 12 cm.
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