original description
Harmer F. W. (1920-1925). The Pliocene Mollusca of Great Britain, being supplementary to S.V. Wood's monograph of the Crag Mollusca. Vol. 2. <em>Monographs of the Palaeontographical Society.</em> 72(344): 485-652, pl. 45-52 (part 1, December 1920); 73(346): 653-704, pl. 53-56 (part 2, July 1921); 75(352): 705-856, pl. 57-64 (part 3, December 1923); 76(354): i-xiv, 857-900, pl. 65 (part 4, January 1925)., available online at https://www.biodiversitylibrary.org/page/36960258
page(s): part 3, p. 727, pl. 59, fig. 7 [details]
original description (unavailable nomenclaturally)
Kendall, P. F.; Bell, R. G. (1886). On the Pliocene beds of St. Erth. <em>The Quarterly Journal of the Geological Society of London.</em> 42: 201-215., available online at https://www.biodiversitylibrary.org/page/37053874
page(s): 211 [details]
From editor or global species database
Authority Authority attributed to S. V. Wood in Kendall & Bell (1886), however there the name only occurs as nomen nudum in a table. Formally made available by Harmer (1923) by providing a description and figure. [details]