Ethalia striolata (A. Adams 1855)

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

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

• 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