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 |
| Clade: | 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]
Species
Species within the genus Thelyssina include:
- Thelyssina sterrha Marshall, 1983
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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)
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