Brookula annectens

Taxobox
name = "Brookula annectens"


image_caption =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
subclassis = Orthogastropoda
superordo = Vetigastropoda
superfamilia = Trochoidea
familia = Cyclostrematidae
genus = "Brookula"
species = "B. annectens"
binomial = "Brookula annectens"
binomial_authority = Powell, 1937
synonyms =

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

Distribution

This species is endemic to New Zealand, found around the Three Kings Islands.

Habitat

This snail is found at depths of about 260 m.

hell description

The shell is minute, white, depressed-, thin, and umbilicate. The spire is the same height as the aperture. The sculpturing is strong, with sharp-crested axials, interstices two to three times the width of the ribs. The surface is weakly spirally striate, about 12 striations on the penultimate whorl. The aperture is circular, and the peristome is thin-edged and separated from the body whorl.

Shell height is up to 1.1 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