Calliostoma pellucidum forsteriana

Calliostoma pellucidum forsteriana

Taxobox
name = "Calliostoma pellucidum forsteriana"


image_caption =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
ordo = Archaeogastropoda
familia = Calliostomatidae
genus = "Calliostoma"
species = "C. pellucidum"
subspecies = "C. pellucidum forsteriana"
trinomial = "Calliostoma pellucidum forsteriana"
trinomial_authority = (Dell, 1950)
synonyms = "Venustas pellucida forsteriana" Dell, 1950

"Calliostoma pellucidum forsteriana" is a subspecies of medium-sized sea snail, a marine gastropod mollusc. Some authors have placed this genus in the family Calliostomatidae, other malacologists have left it in the family Trochidae.

Distribution

This subspecies is endemic to the South and Stewart islands of New Zealand.

hell description

The shell is rather large compared to that of other snails. Only the tip of the spire is concave, and the rest of the whorls are slightly convex. The periphery is subangled. The spiral sculpture is finer and beaded cords are more numerous than in other subspecies, apart from "Calliostoma pellucidum morioria". The spiral cords are regularly dotted in light brown, but larger maculations are faint.

The shell height is up to 51 mm, and the width is up to 53 mm.

References

* Powell A. W. B., "New Zealand Mollusca", William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1


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