A well preserved Cystoid: Staurocystites sp. from the Silurian Wenlock Limestone of Wren's Nest Hill Dudley, West Midlands.

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Photo credit: © SINCLAIR STAMMERS/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: cystoid, cystoidea, dudley, echinoderm, fossil, fossilised, limestone, midlands, palaeontology, quarry, quarrying, silurian, wenlock