MolluscaBase taxon details
original description
Hudleston, W. H. (1882). Contributions to the Palaeontology of the Yorkshire Oolites. <em>Geological Magazine. New Series.</em> 9(4-5): 145-151, 193-205., available online at https://www.biodiversitylibrary.org/page/32520674
page(s): pl. 5 [March 1882]; 9(5): 203 [May 1882] [details]