Protoma

Extant species within the genus Protoma include:

• Protoma knockeri Baird, 1870^[2]

Species brought into synonymy

• Protoma capensis (Krauss, 1848): synonym of Turritella capensis (Krauss, 1848)

• † Protoma cathedralis Brongniart 1856
• † Protoma deshayesi d'Archiac 1850
• † Protoma renevieri d'Archiac and Haime 1854
• † Protoma retrodilatatum Vredenburg 1928
• † Protoma rotifera Deshayes 1832
• † Protoma sindiense Vredenburg 1928
• † Protoma subrenevieri Vredenburg 1928

Fossils of sea snails within this genus have been found in sediments of Europe, South Africa, India, and Pakistan from Oligocene to Quaternary (age range: 28.4 to 0.012 million years ago).^[3]

• Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp.
• Branch, G.M. et al. (2002). Two Oceans. 5th impression. David Philip, Cate Town & Johannesburg