Cantrainea inexpectata is a species of small sea snail with calcareous opercula, a marine gastropod mollusk in the family Colloniidae.Bouchet, P. (2012). Cantrainea inexpectata B.A. Marshall, 1979. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=512325 on 2013-02-10 Distribution This marine species is endemic to New Zealand. B. A. Marshall (1979) The Trochidae and Turbinidae of the Kermadec Ridge (Mollusca: Gastropoda), New Zealand Journal of Zoology, 6:4, 521-552, .
References
External links Encyclopedia of Life World Register of Marine Species