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Description: | Two (a & b) calyx plates from unidentified Crinoid sp.. They are both pentagonal in shape with a small amount of pale brown fine grained matrix on the surface. (a) Has concentric growth lines. Pale in colour. Measures 10mm x 10mm x 2mm (b) Darker in colour. Measures 9mm x 9mm x 1.5mm These are Silurian and date at c425my. They were collected from the Wrens Nest, Dudley, West Midlands. AR/CB
Two unidentified crinoid calyx plates from the Wrens Nest, Dudley which are 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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