Crassispira ritanida is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.Fossilworks: Drillia ritanida
Description
The length of the shell attains 8.5 mm, its diameter is 4 mm. Distribution Fossils have been found in Pliocene strata in Trinidad and Tobago; age range: 5.332 to 3.6 Ma.
References
W. C. Mansfield. 1925. Miocene gastropods and scaphopods from Trinidad, British West Indies. Proceedings of the United States National Museum 66(22):9116-9125
External links Worldwide Mollusc Species Data Base: Crassispira ritanida