original description
Sykes, E. R. (1904). On the Mollusca procured during the "Porcupine" Expeditions 1869-1870. Supplemental notes, part I. <em>Proceedings of the Malacological Society of London.</em> 6: 23-40., available online at http://biodiversitylibrary.org/page/15176132
page(s): 31-32; pl. 3 fig. 5-6 [details]
From editor or global species database
Type locality «Porcupine» sta. 17, off Portugal, bathyal [details]