Yaronia gestroi

Yaronia gestroi is a species of sea snail, a marine gastropod mollusk in the family Colloniidae.[1][2]

Yaronia gestroi
Drawing with two views of a shell of Yaronia gestroi
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Vetigastropoda
Family: Colloniidae
Genus: Yaronia
Species:
Y. gestroi
Binomial name
Yaronia gestroi
(Caramagna, 1888)
Synonyms[1]
  • Collonia gestroi Caramagna, 1888
  • Leptothyra gestroi (Caramagna, 1888)

Description

The shell attains a height of 15 mm. The thick, imperforate shell has a conoid shape. It is whitish. The five whorls are convex, separated by a slightly profound suture. They are all over obliquely minutely striate. encircled by minutely granulose lirae, with smaller ones intercalated. The three first whorls are but little projecting, the fourth is double the length of the first three, the last whorl is inflated. The penultimate and last whorls contain a median series of reddish-brown quadrangular maculations or have the spiral lirae articulated with brown. Beneath they show a less obvious zone of the same color;. The spiral lines number 7 to 8 on the penultimate whorl, 15 on the body whorl. The outer lip is acute, slightly sulcate, with dots of carmine. The inner lip is arcuate, reflexed, and planate. The aperture is subrotund and pearly. The operculum is calcareous and also pearly.[3]

Distribution

This species occurs in the Red Sea and in the Indian Ocean off Madagascar.

References
  1. Bouchet, P. (2012). Yaronia gestroi (Caramagna, 1888). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=571714 on 2012-09-01
  2. Mienis H.K. (2011) Remarks concerning Turbo pustulatus, Turbo pyropus and Collonia gestroi, with the description of Yaronia: a new genus for a small turbinid species from the Red Sea (Mollusca, Gastropoda, Turbinidae). Triton (Journal of the Israel Malacological Society) 23: 1-4. (April 2011)
  3. G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia (described as Leptothyra gestroi)
  • Caramagna, Bul. Soc. Mal. Ital., xiii, 1888, p. 132 t. 8, f. 10, 10a.


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