Ethalia

Ethalia
Two views of a shell of Ethalia sanguinea
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Superfamily: Trochoidea (superfamily)
Family: Trochidae
Genus: Ethalia
H. & A. Adams, 1854 [1]
Type species
Rotella guamensis Quoy & Gaimard, 1834
Synonyms

Liotrochus Fischer, 1879 [2]

Ethalia is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.[3]

Description

The species are moderate-sized. The orbicular shell is turbinately depressed. The whorls are convex, smooth or transversely striated, the last one rounded at the periphery. They have a mottled or streaked color-pattern. The umbilicus is partly closed by a callus deposit. The columellar lip ends anteriorly in an obtuse dilated callus. The callus emitted at the columellar-parietal angle of the aperture is tongue-shaped, closing the umbilicus except a rather narrow chink, or even entirely, in some species.[4]

Distribution

This genus occurs in the Central and East Indian Ocean, off East Africa, off Indo-Malaysia, and off Australia.

Species

Species within the genus Ethalia include:

Species brought into synonymy

References

  1. A. Adams, Proc. Zool. Soc. Lond. 1853, p. 189.
  2. Fischer, Journ. de Conchyl. 1878, p. 207
  3. Ethalia H. & A. Adams, 1854.  Retrieved through: World Register of Marine Species on 28 November 2012.
  4. Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
  5. Ethalia catharinae Poppe, Tagaro & Dekker, 2006.  Retrieved through: World Register of Marine Species on 1 May 2010.

External links

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