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Description: | A fairly well preserved Arachnophyllum murchisoni, a colony of solitary rugose corals measuring (67mm x 65mm x 16mm). The coral has two large fractures running through the corallites. The underside has growth lines with bryozoa attached. The specimen is partially covered in a pale brown coloured micrite matrix. The specimen has pentagonal interlinking corallites, with clear septa and an axial structure in the centre. This is Silurian in age and dates at c425my. The number 1C has been written on the side of the specimen in black ink. This indicates that this specimen was collected from Steven Birchs locality 1C (GR SO 9370 9220) which is within the Much Wenlock Limestone Formation, Nodular Member. This was collected from the Wrens Nest, Dudley, West Midlands. CB
A fossil Arachnophyllum murchisoni? rugose coral 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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