original description
Henderson, J. B. (1920). A monograph of the east American scaphopod mollusks. <em>United States National Museum Bulletin.</em> 111(20): 1-177., available online at http://www.biodiversitylibrary.org/item/33255
page(s): 114-115, pl. 18, figs 7, 13 [details]
From editor or global species database
Type locality off Triumph Reef, in 90 fathoms [details]