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Description: | A cephalon from Calymene sp. measuring (26mm x 16mm x 7mm) which is dark grey in colour. Preserved in a pale brown micrite matrix slab (47mm x 47mm x 8mm). The matrix contains crinoid stem sections, bryozoa (Fenestella sp. and Fistulipora sp.) along with numerous unidentified brachiopods. The cephalon is partially covered by the matrix, and the eyes are mssing. A number of very small fractures run across the cephalon. On the base of the matrix the number 8 can be seen in black ink, which indicates this was collected from Steven Birchs locality 8 (GR SO 9390 9160). This specimen was from the Coalbrookdale Formation. This was collected from the Wrens Nest, Dudley, West Midlands. CB
A fossilised head of a Calymene sp. trilobite from the Wrens Nest, Dudley around 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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