Traits name details
original description
(of ) 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): 71, pl. 11, figs. 4-5 [details]
|