Uvanilla olivacea

Uvanilla olivacea
Shell of Uvanilla olivacea (W. Wood, 1828), measuring 12.8 mm in height by 25.1 mm diameter.
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Vetigastropoda
Superfamily: Trochoidea
Family: Turbinidae
Subfamily: Turbininae
Genus: Uvanilla
Species: U. olivacea
Binomial name
Uvanilla olivacea
(W. Wood, 1828)
Synonyms

Astraea olivacea (W. Wood, 1828)

Uvanilla olivacea is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.[1][2][3]

Contents

Distribution

This species is found from La Paz in the Gulf of California southwards to Oaxaca, in Mexico.[4]

Description

The shell is greenish brown and roughly an equilateral triangle in profile with a slightly wavy thickened edge on the bottom of the whorl and sculpture consisting of fine diagonal spiral ridges. The single most striking feature is a brilliant spot of reddish-orange at the base of the umbilical pit which is boardered by a dark brown to black outer edge. Average height is 55 mm, and average diameter is 65 mm.[4]

Habitat

This sea snail is found intertidally and in shallow water offshore in rocky areas.[4]

References

  1. ^ Uvanilla olivacea (W. Wood, 1828).  Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=581669 on 5 October 2011.
  2. ^ Alf A. & Kreipl K. (2011) The family Turbinidae. Subfamilies Turbininae Rafinesque, 1815 and Prisogasterinae Hickman & McLean, 1990. In: G.T. Poppe & K. Groh (eds), A Conchological Iconography. Hackenheim: Conchbooks. pp. 1-82, pls 104-245.
  3. ^ Keen M. (1971). Sea shells of Tropical West America. Marine mollusks from Baja California to Perú. (2nd edit.). Stanford University Press pp. 1064.
  4. ^ a b c Keen M. (1971). Sea shells of Tropical West America. Marine mollusks from Baja California to Perú. (2nd edit.). Stanford University Press pp. 1064, at p. 356.