Traits name details
original description
Sowerby, J. De C. (1839). Organic remains. In: Murchison, R. I. (Ed.) The Silurian System, Founded on Geological Researches in the Counties of Salop, Hereford, Radnor, Montgomery, Caermrthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, and Stafford. Part II. John Murray, London, pp. 579-765., available online at https://www.biodiversitylibrary.org/page/45847367 page(s): 602 [details]
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