Vexillum approximatum

Vexillum approximatum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Turbinelloidea
Family:	Costellariidae
Genus:	Vexillum
Species:	V. approximatum
Binomial name
Vexillum approximatum (Pease, 1860)
Synonyms [1]
Mitra dimidiataSowerby, 1870 Turricula approximataPease, 1860 Vexillum (Pusia) approximatum(Pease, 1860) Vexillum xenumPilsbry, 1920

Vexillum approximatum is a species of small sea snail, marine gastropod mollusk in the family Costellariidae, the ribbed miters. ^[1]

Description

The ovate shell is turreted. The whorls are convexly angulated at the sutures, longitudinally ribbed and crossed by impressed striae. The interstices are punctured. The aperture is striated within. The columella is four-plaited. The color of the shell is white, banded and blotched irregularly with chestnut-brown. ^[2]

Distribution

This marine species occurs off the Philippines and Hawaii.

Fossils have been found in early Miocene strata on Enewetak Atoll, Marshall Islands.

References

1. Vexillum approximatum (Pease, 1860) . Retrieved through: World Register of Marine Species  on 5 April 2012.
2. Tryon (1882), Manual of Conchology IV

• Turner H. 2001. Katalog der Familie Costellariidae Macdonald, 1860. Conchbooks. 1–100 page(s): 17

External links

• Pease, W. H. (1860). Descriptions of new species of Mollusca from the Sandwich Islands. Proceedings of the Zoological Society of London. 28: 18-36; 141-148.
• Ladd, H.S. (1977). Cenozoic fossil mollusks from western Pacific islands; Gastropods (Eratoidae through Harpidae). U.S. Geological Survey Professional Paper. 533: i–iv, 1–84, pls 1–23 This article incorporates text from this source, which is in the public domain .