Protoma

Protoma is a genus of sea snails, marine gastropod mollusks in the family Turritellidae.^[1]

Protoma Temporal range: Oligocene - Recent PreꞒ Ꞓ O S D C P T J K Pg N
Fossil of Protoma cathedralis
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda clade Sorbeoconcha
Superfamily:	Cerithioidea
Family:	Turritellidae
Subfamily:	Protominae
Genus:	Protoma Baird, 1870
Synonyms[1]
Protoma (Protomella) Protomella Thiele, 1929

Species

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)

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).^[3]

References

1. Protoma Baird, 1870. Retrieved through: World Register of Marine Species on 17 May 2010.
2. Protoma knockeri Baird, 1870. Retrieved through: World Register of Marine Species on 17 May 2010.
3. Fossilworks

• 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