MolluscaBase name details
original description
Dall, W. H. (1890). Scientific results of explorations by the U. S. Fish Commission Steamer “Albatross”. No. VII. Preliminary report on the collection of Mollusca and Brachiopoda obtained in 1887–'88. <em>Proceedings of the United States National Museum.</em> 12 (773): 219-362, pls 5-14., available online at http://biodiversitylibrary.org/page/15738824 [details]
basis of record
Kantor Y. (2010). Checklist of Ptychatractidae. pers. com. [details]