MolluscaBase taxon details
basis of record
Higo, S., Callomon, P. & Goto, Y. (2001) Catalogue and Bibliography of the Marine Shell-Bearing Mollusca of Japan. Gastropoda Bivalvia Polyplacophora Scaphopoda Type Figures. Elle Scientific Publications, Yao, Japan, 208 pp. [details]
additional source
Harry, H. W. (1967). A review of the living tectibranch snails of the genus <i>Volvulella</i>, with descriptions of a new subgenus and species from Texas. <em>Veliger.</em> 10(2): 133-147., available online at http://biodiversitylibrary.org/page/42413856
page(s): 144 [details]