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): 89, pl. 366 [details]
From editor or global species database
Type locality In a pit on the North of the road at Shalcombe ["Schalcomb"] near Yarmouth, Isle of Wight, United Kingdom; Bembridge Limestone Formation or Bouldnor Formation (Gurnard Member), Priabonian, late Eocene [details]