Sinezona brevis

Taxobox
name = "Sinezona brevis"
status =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
clade = Vetigastropoda
superfamilia = Scissurelloidea
familia = Scissurellidae
genus = "Sinezona"
species = "S. brevis"
binomial = "Sinezona brevis"
binomial_authority = (Hedley, 1904)
synonyms = "Schismope brevis" Hedley, 1904

"Sinezona brevis" is a species of minute sea snail, a marine gastropod mollusc in the family Scissurellidae.

Distribution

This species is endemic to the North, South, and Chatham Islands of New Zealand.

hell description

The shell is minute, white, subglobose, with a low spire and rounded whorls, strongly sculptured with rather widely spaced, sharp, oblique axials, extending from the suture to the narrow, deep umbilicus, which is margined by a sharp keel. Spiral threads between the axials are distinct only on approaching the umbilicus. The foramen is large, oval, distant from the outer lip, and at the end of a short excavated .

The shell height is up to 0.94 mm, and width 1.14 mm.

References

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

External links

* [http://www.gastropods.com/5/Shell_21265.html "Sinezona brevis"]