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): 68, pl. 4, fig. 14a, b, pl. 7, fig. 25 [details]
From editor or global species database
Type locality "Chillesford Bed, Coltishall. Lower Glacial, Belaugh and Rackheath. Middle Glacial, Hopton." (England, United Kingdom) [details]