Nomenclature
original description
Jeffreys, J. G. (1885). On the Mollusca procured during the 'Lightning' and 'Porcupine' expeditions, 1868-70 (Part IX). Proceedings of the Zoological Society of London. 1885 : 27-63, pl. 4-6., available online at http://www.biodiversitylibrary.org/page/31015014
page(s): 31-32; pl. 4 fig. 1-1a [details]
Other
context source (Deepsea)
Gofas, S.; Luque, Á. A.; Templado, J.; Salas, C. (2017). A national checklist of marine Mollusca in Spanish waters. Scientia Marina. 81(2) : 241-254, and supplementary online material., available online at https://doi.org/10.3989/scimar.04543.21a [details]
From editor or global species database
Type locality off Sagres, Portugal, bathyal [details]