Traits name details
original description
Wood, S. V. (1872). Supplement to the Crag Mollusca, comprising Testacea from the Upper Tertiaries of the East of England. <em>Monograph Palaeontographical Society of London.</em> 25: i-xxxi, 1-99, pls. 1-7., available online at https://www.biodiversitylibrary.org/page/36921778 page(s): 2, pl. 1, fig. 2a-c [details]
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