Traits name details
original description
Salter, J. W. (1861). On the Fossils of the South Welsh Coal Field. In: Iron Ores of Great Britain. Part III. Iron Ores of South Wales (Memoirs of the Geological Survey of Great Britain and of the Museum of Practical Geology). Longman, Green, Longman, & Roberts, London, 219–236 pp. + 2 pls., available online at https://books.google.de/books?redir_esc=y&hl=de&id=ra05AQAAIAAJ page(s): 230-231, pl. 2, fig. 10 [details]
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