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Description: | Fossil oysters had thick shells that protected their soft bodies in high-energy (rough water) coastal environments. The ribs are present only on the concave shell that was fixed to the sea floor; the other shell was smaller, flat and opened like a lid. They formed large colonies along coasts and are often used to identify ancient shorelines. They fed on tiny food particles that they filtered out of the water. The holes in the shell were bored by worms.
Stratigraphy: Tertiary (?) / 1.8 - 65 my | Source: | Tyne & Wear Archives & Museums | Identifier: | emu.ecatalogue.palaeobiology.75018 | Go to resource |
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Bivalve
Fossil oysters had thick shells…
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