Protoma

Protoma is a genus of sea snails, marine gastropod mollusks in the family Turritellidae.

Species
Extant species within the genus Protoma include:
 * Protoma knockeri Baird, 1870
 * Species brought into synonymy:
 * Protoma capensis (Krauss, 1848): synonym of Turritella capensis (Krauss, 1848)

Extinct species

 * † 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).