Barnard, K. H. (1958). Contributions to the knowledge of South African marine Mollusca. Part I. Gastropoda: Prosobranchiata: Toxoglossa. <em>Annals of the South African Museum.</em> 44(1): 73-163., available online athttp://biodiversitylibrary.org/page/40862937 page(s): 130, fig. 14. [details]
Type locality contained in Natal
type locality contained in Natal (origin: native - endemic) [details]
MolluscaBase eds. (2024). MolluscaBase. Drillia tholos Barnard, 1958. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=762247 on 2024-05-20
original descriptionBarnard, K. H. (1958). Contributions to the knowledge of South African marine Mollusca. Part I. Gastropoda: Prosobranchiata: Toxoglossa. <em>Annals of the South African Museum.</em> 44(1): 73-163., available online athttp://biodiversitylibrary.org/page/40862937 page(s): 130, fig. 14. [details]