• Source: Asthelys

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



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



Quinn J. (1987). A revision of the Seguenziacea Verrill, 1884. II. The new genera Hadroconus, Rotellenzia, and Asthelys. Nautilus 101(2): 59-68

Kata Kunci Pencarian:

• Asthelys
• Asthelys depressa
• Atheism
• Asthelys semiplicata
• Asthelys nitidula
• Asthelys antarctica
• Asthelys munda
• Asthelys simplex
• S/O Satyamurthy
• Basilissa (gastropod)