Thelyssina
Thelyssina is a genus of sea snails, marine gastropod mollusks in the family Seguenziidae.[1]
| Thelyssina | |
|---|---|
| Scientific classification  | |
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Subclass: | Vetigastropoda | 
| Family: | Seguenziidae | 
| Subfamily: | Asthelysinae | 
| Genus: | Thelyssina Marshall, 1983  | 
| Type species | |
| Thelyssina sterrha Thelyssina sterrha  | |
Description
    
The conical shell contains a peripheral carina but no axial riblets, spiral lirae or microsculpture. The U-shaped posterior sinus is shallow. The anterolateral sinus is a channel. The basal sinus is present. The columella has no sinus or tooth. The aperture has a rhomboidal shape. There are no data about the radula.[2]
References
    
- Thelyssina Marshall, 1983. Retrieved through: World Register of Marine Species on 21 June 2012.
 - James F. Quinn Jr., (1991), Systematic Position of Basilissopsis and Guttula, and a Discussion of the Phylogeny of the Seguenzioidea (Gastropoda: Prosobranchia), Bulletin of Marine Science, Volume 49, Numbers 1-2, September 1991 , pp. 575-598(24)
 
    This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.