Drillia tholos is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.Sartori, André F. (2015). Drillia tholos Barnard, 1958. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=762247 on 2016-09-10
Description
Dead Drillia tholos often form shallow marine sediments. The shells attain lengths of 5 mm, with a diameter of 2 mm, dextrally coiled. It is a rare species and only found in certain regions across the globe. Distribution This species occurs in the demersal zone off East London, South Africa.
References
Barnard K.H. (1958), Contribution to the knowledge of South African marine Mollusca. Part 1. Gastropoda; Prosobranchiata: Toxoglossa; Annals of The South African Museum v. 44 pp. 73–163 Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295