original description
Nevill, G. (1885). <i>Hand List of Mollusca in the Indian Museum, Calcutta</i>. Part II. Gastropoda. Prosobranchia-Neurobranchia (contd.). x + 306 pp. Office of Superintendent of Government Printing, Calcutta. ["1884"; after 25 January 1885]., available online at https://www.biodiversitylibrary.org/item/44691
page(s): 78 [details]
From editor or global species database
Taxonomy Nevill introduced the name as "subvar. diplostoma". Here, "subvar." denotes a minor variety, not a variety of a variety. [details]