Lissotestella rissoaformis

Taxobox
name = "Lissotestella rissoaformis"


image_caption =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
subclassis = Orthogastropoda
superordo = Vetigastropoda
superfamilia = Trochoidea
familia = Cyclostrematidae
genus = "Lissotestella"
species = "L. rissoaformis"
binomial = "Lissotestella rissoaformis"
binomial_authority = Powell, 1931
synonyms = "Lissotesta rissoaformis" Powell 1931

"Lissotestella rissoaformis" is a species of minute sea snail, a marine gastropod mollusc in the family Cyclostrematidae.

Distribution

This species is endemic to New Zealand, found off eastern Otago, and around the Auckland Islands.

Habitat

This snail is found at depths of between 155 and about 550 m.

hell description

The shell is minute, white, elevated-conic, rather solid, with convex whorls, a little flattened below the suture. The aperture is circular, continuous, thin edged, but the outer lip is strengthened by a slight swelling. Sculpture is of very fine spiral lirae and more distant stronger spirals, three to four on the spire-whorls.

Shell height is up to 1.53 mm, and the width is up to 1.2 mm.

References

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