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): 112-113, pl. 18, fig. 5 [details]
From editor or global species database
Type locality Off English Harbor, in 120 fathoms [details]