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Description: | One poorly preserved valve from an Amphistrophia sp. brachiopod (12mm x 8mm x 1mm). It is dark grey in colour. The valve is incomplete with the corner of the hinge line broken off. The hinge line is very straight (10mm). The specimen is covered in a lot of pale brown fine grained matrix. The inside of the has both of the teeth present although they are covered in a lot of matrix. Beneath these teeth is a thin line of orange iron oxide. There is a secondary fragment of another fossil near this staining. The outer surface of the valve displays growth lines and very obvious ribs. This is Silurian, dating at c425my and was collected from the Wrens Nest, Dudley, West Midlands. AR
A fossil of an Amphistrophia sp. brachiopod which is approximately 425 million years old | License: | http://creativecommons.org/licenses/by/2.0/uk/ | Publisher: | Dudley Museums Service | Rights holder: | Dudley Museums Service | Subjects: | Steven Birch Collection Geology | Temporal: | Silurian - Wenlock | Source: | Black Country History | Identifier: | http://www.blackcountryhistory.org/colle... | Go to resource |
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