Traits name details
original description
Sowerby, J.; Sowerby, J. De C. (1821-1823). The mineral conchology of Great Britain; or, Coloured figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the earth. Vol. IV. Privately published by author, London, pp. 1-160, pls. 307-407., available online at https://www.biodiversitylibrary.org/page/14392771 page(s): 111, pl. 381 [details]
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