Ethalia striolata

(Redirected from Umbonium 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 Edit this classification
Domain: Eukaryota
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

edit

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

edit

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

edit
  1. ^ a b 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
edit