original description
Sowerby, J. De C. (1823-1825). 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. V. London, privately published, pp. 1-168 + index [169-171], pl. 408-503., available online at http://www.biodiversitylibrary.org/item/50318
page(s): 29, pl. 424, fig. 1 [details]
From editor or global species database
Neotype Symonds (2002) designated a neotype from the region of the type locality (which was not specified by Sowerby). The neotype is stored in the Department of Palaeontology, Natural History Museum, London, under coll. no. BMNH GG22558 and illustrated in Symond [details]