Arene olivacea

Arene olivacea is a species of sea snail, a marine gastropod mollusk in the family Areneidae.[1][2]

Arene olivacea
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Areneidae
Genus: Arene
Species:
A. olivacea
Binomial name
Arene olivacea
(Dall, 1918)
Synonyms

Liotia olivacea Dall, 1918

Description

(Original description by W.H. Dall) The height of the shell attains 5.5 mm and its diameter 6.2 mm. The shell consists of five depressed-turbinate whorls. The suture is narrow but not appressed. The color of the shell is very dark olivaceous, the prominent sculpture paler. The minute nucleus is decorticated, but apparently smooth. The spiral sculpture consists of, on the upper part of the body whorl, four strong elevated cords with wider, almost channeled interspaces. The two posterior cords are more adjacent. On the spire, only three cords are visible. The anterior is more or less undulated. On the base are a single cord, a wide interval, then three more adjacent smaller plain cords, the three close-set beaded cords at the verge, of the small perforate umbilicus. The aperture is circular. The upper lip is produced on the body. The interioris pearly white. (described as Liotia olivacea) [3]

Distribution

This species occurs in the Pacific ocean off Panama.

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References
  1. WoRMS (2012). Arene olivacea. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=574881 on 2012-12-31
  2. Keen M. (1971) Sea shells of tropical West America. Marine mollusks from Baja California to Perú, ed. 2. Stanford University Press. 1064 pp.
  3. Dall, Proc. Biol. Soc. Washington, vol. 31, 1918, p. 7
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