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[1]
Pleurotomella (Theta) A. H. Clarke, 1959 (original rank)

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

Species

Species within the genus Theta include:^[1]

• 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