Sidebottom H. 1912. Lagenae of the South-West Pacific Ocean. From soundings taken by H.M.S. Waterwitch, 1895. Journal of the Quekett Microscopical Club (2) 11 (70): 375-434 , available online at (http://www.biodiversitylibrary.org/item/15550#page/5/) page(s): p. 396 pl. 16 fig. 24-25 Fig. 25 "shows the relative widths of shellwall and test."
