These Black Oyster Postings are about the multiplicity of variations in shells of the British Native Oyster, also known as the Flat or European Oyster, Ostrea edulis Linnaeus. Sometimes, as in this Posting, the shells are photographed just as found, in situ, on the beach. In other posts, the shells have been collected for more detailed examination and have been photographed indoors. By understanding the range and variety in macroscopic differences, and the causes of the variations, it is possible to interpret more accurately the meaning of variations in archaeological and palaeontological specimens of oyster shell. These posts can therefore be considered as a database for oyster variation – and a starting point for discussions and understanding.
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