Theta (gastropod)

Theta is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.

Theta
Shell of Theta chariessa
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Raphitomidae
Genus:	Theta A.H. Clark, 1959
Type species
Pleurotomella (Theta) lyronuclea A. H. Clarke, 1959
Synonyms
Pleurotomella (Theta) A. H. Clarke, 1959 (original rank)

Species

Species within the genus Theta include:

• Theta baiocchii Nappo & Pellegrini, 2021
• Theta chariessa (Watson, 1881)
• Theta lyronuclea (Clarke A.H., 1959)
• Theta microcostellata Criscione, Hallan, Puillandre & Fedosov, 2021
• Theta polita Criscione, Hallan, Puillandre & Fedosov, 2021
• Theta spicea (Watson, 1881)
• Theta vayssierei (Dautzenberg, 1925)

Species brought into synonymy

• Theta chrysoplex (Barnard, 1963): synonym of Gymnobela chrysopelex (Barnard, 1963)
• Theta lanceata (Dall, 1927): synonym of Gymnobela lanceata Dall, 1927

Synonyms

• Theta lanceata (Dall, 1927) : synonym of Gymnobela lanceata Dall, 1927

References

• Clarke, A. H. (1959). New abyssal molluscs from off Bermuda collected by the Lamont Geological Observatory. Proceedings of the Malacological Society of London. 33(5): 231–238, pl. 13
• Bouchet, P. & Warén, A. (1980). Revision of the North-East Atlantic bathyal and abyssal Turridae (Mollusca: Gastropoda). Journal of Molluscan Studies. Suppl. 8: 1-119
• Spencer, H.; Marshall. B. (2009). All Mollusca except Opisthobranchia. In: Gordon, D. (Ed.) (2009). New Zealand Inventory of Biodiversity. Volume One: Kingdom Animalia. 584 pp
• Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp
• Bouchet P., Kantor Yu.I., Sysoev A. & Puillandre N. (2011) A new operational classification of the Conoidea. Journal of Molluscan Studies 77: 273–308.

External links

• Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295. doi:10.11646/zootaxa.682.1.1.
• Worldwide Mollusc Species Data Base: Raphitomidae
• Criscione, F.; Hallan, A.; Fedosov, A.; Puillandre, N. (2021). Deep Downunder: Integrative taxonomy of Austrobela, Spergo, Theta and Austrotheta (Gastropoda: Conoidea: Raphitomidae) from the deep sea of Australia. Journal of Zoological Systematics and Evolutionary Research. DOI 10.1111/jzs.12512.