Asthelys | |
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Shell of Asthelys semiplicata | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Vetigastropoda |
Family: | Seguenziidae |
Subfamily: | Asthelysinae |
Genus: | Asthelys Quinn, 1987 |
Type species | |
Basilissa munda Watson, 1879 |
Asthelys is a genus of sea snails, marine gastropod mollusks in the family Seguenziidae.
Description
The conical shell lacks axial riblets and a peripheral carina but has a punctate microsculpture. The midwhorl angulation is initially absent, but present on later whorls. The shell contains no spiral lirae. The U-shaped posterior sinus is shallow. The basal sinus is present, but there is no anterolateral sinus. The columella has no sinus or tooth. Tha aperture has a rhomboidal shape. There is no umbilical septum.
Radula: the rachidian tooth is broader than high and has lateral wings prominent. The lateral tooth cusp is broad. There are less than 10 marginal tooth pairs.
Species
Species within the genus Asthelys include:
- Asthelys antarctica Marshall, 1988
- Asthelys careyi Geiger, 2017
- Asthelys depressa Marshall, 1991
- Asthelys hyeresensis Hoffman, Gofas & Freiwald, 2020
- Asthelys munda (Watson, 1879)
- Asthelys nitidula Marshall, 1991
- Asthelys semiplicata Marshall, 1991
- Asthelys simplex (Watson, 1879)
References
- Quin 1987. A revision of the Seguenziacea Verrill, 1884 (Gastropoda: Prosobranchia). II. The new genera Hadroconus, Rotellenzia, and Asthelys. Nautilus 10 I (2): 59-68
- Asthelys Quinn, 1987. Retrieved through: World Register of Marine Species on 18 April 2010.
- 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)
- Asthelys mundus (Watson, 1879). Retrieved through: World Register of Marine Species on 18 April 2010.
- Marshall, B. A. (1988). New Seguenziidae (Mollusca: Gastropoda) from the Tasman, South Pacific, and Southern Antilles Basins. New Zealand Journal of Zoology 15: 235-247
- Marshall B.A. (1991). Mollusca Gastropoda : Seguenziidae from New Caledonia and the Loyalty Islands. In A. Crosnier & P. Bouchet (Eds) Résultats des campagnes Musorstom, vol. 7. Mémoires du Muséum National d'Histoire Naturelle, A, 150:41-109.
External links
Taxon identifiers | |
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Asthelys |