original description
(of Dolium varicosum Preston, 1910) Preston, H. B. (1910). Description of new shells in the collection of the Indian Museum from Burma, Siam and the Bay of Bengal. <em>Records of the Indian Museum.</em> 5(1): 33-36, text-figures 1-5., available online at https://www.biodiversitylibrary.org/page/11139636
page(s): 34-35, text-fig. 3 [details]
additional source
Vos, C. (2007) A conchological Iconography (No. 13) - The family Tonnidae. 123 pp., 30 numb. plus 41 (1 col.) un-numb. text-figs, 33 maps., 63 col. pls, Conchbooks, Germany
page(s): 55 [details]
new combination reference
Kilias, R. (1962) Das Tierreich, Lieferung 77, Gastropoda / Prosobranchia: 1-63, Walter de Gruyter & Co., Berlin.
page(s): 52 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Taxonomy Combination as used by Kilias (1962:52) [details]