Traits taxon details
original description
Phillips, J.; Salter, J. W. (1848). Palaeontological Appendix to Professor John Phillips' Memoir on the Malvern Hills, compared with the Palaeozoic Districts of Abberley, &c. <em>Memoirs of the Geological Survey of Great Britain and the Museum of Practical Geology in London.</em> 2(1): 331-386., available online at https://books.google.de/books?id=9rsMAAAAYAAJ page(s): 366 [details]
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