Ethalia striolata

Ethalia striolata is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.[1][2]

Ethalia striolata
Drawing of a shell of Ethalia striolata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Ethalia
Species:
E. striolata
Binomial name
Ethalia striolata
(A. Adams, 1855)
Synonyms[1]
  • Ethalia (Ethaliella) striolata (A. Adams, 1855)
  • Rotella striolata A. Adams in Sowerby
  • Rotella trilobata Sowerby
  • Trilobata trilobata Sowerby III, 1903.
  • Umbonium (Ethalia) striolatum Adams A., 1855 (original description)

Description

The subglobulose, subperforate shell has a discoidal shape and is transversely striate. The five whorls are slightly convex. They are ornamented with very narrow transverse, white articulated lines. The base of the shell is smooth, reddish-brown maculated at the periphery, with a reddish zone around the umbilical region. The callus is white, small, partly concealing the umbilicus. The aperture is oval.[3]

Distribution

This marine species occurs in the Red Sea, off Mozambique, East Africa, Central and East Indian Ocean, Indo-Malaysia, Indonesia, Cocos Keeling Islands. and off Borneo.

References
  1. WoRMS (2012). Ethalia striolata (A. Adams, 1855). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=572119 on 2012-11-23
  2. Kilburn, R.N. (1977) Taxonomic studies on the marine Mollusca of southern Africa and Mozambique. Part 1. Annals of the Natal Museum, 23, 173–214.
  3. H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
  • Adams, A. 1855. A monograph of Umbonium (Rotella), a genus of Trochidae. Proceedings of the Zoological Society of London 1853(21): 187-189
  • Maes, V.O. 1967. The littoral marine mollusks of Cocos-Keeling Islands (Indian Ocean). Proceedings of the Academy of Natural Sciences, Philadelphia 119: 93-217
  • Kilburn, R.N. 1977. Taxonomic studies on the marine Mollusca of southern Africa and Mozambique. Part 1. Annals of the Natal Museum 23(1): 173-214
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