original description
Jeffreys, J. G. (1885). On the Mollusca procured during the 'Lightning' and 'Porcupine' expeditions, 1868-70 (Part IX). <em>Proceedings of the Zoological Society of London.</em> 1885 : 27-63, pl. 4-6., available online at http://www.biodiversitylibrary.org/page/31015014
page(s): 55; pl. 6 fig. 4-4a [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Type locality «Porcupine» 1870, sta. 16, 17,17a, off Portugal, bathyal [details]