Scissurona rosea

Taxobox
name = "Scissurona rosea"
status =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
subclassis = Prosobranchia
ordo = Archaeogastropoda
superfamilia = Pleurotomariacea
familia = Scissurellidae
genus = "Scissurona"
genus_authority = Iredale, 1924
species = "S. rosea"
binomial = "Scissurona rosea"
binomial_authority = (Hedley, 1904)
synonyms = "Scissurella rosea" Hedley, 1904

"Scissurona rosea" is a species of minute sea snail, a marine gastropod mollusc in the family Scissurellidae. It is the only species in its genus.

Distribution

This species is endemic to New Zealand including The Snares and the Chatham Islands.

Habitat

This scissurellid is found at depths of from shallow water to 90 m.

hell description

The shells are very small, , the last whorl large, forming most of the shell. The sinus is a deep slit in the upper part of the outer lip, at the termination of a , that extends back over half the body whorl, is shallowly grooved externally, and is a raised ridge internally. The umbilicus is closed by a callus, spread from the concave inner lip. The surface is smooth, except for spiral threads that are very fine and faint on the upper part of the whorls, but distant and much stronger on the base.

The shell coloration is white, sometimes with the apex rose tinted.

The shell height is up to 1.2 mm, and width 1.35 mm.

References

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