Cirsonella laxa is a minute sea snail, a marine gastropod mollusc in the family Skeneidae.Rosenberg, G. (2013). Cirsonella variecostata Powell, 1940. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=598297 on 2013-10-15
Description
The height of the shell attains 0.6 mm, its diameter is 0.9 mm. Distribution This species is endemic to New Zealand and occurs off Three Kings Islands at a depth of 250 m.
References
Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979