Pyrgulina casta is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2015). Pyrgulina casta (A. Adams, 1861). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=738784 on 2015-04-05
Distribution Marine
References
Okutani T., ed. (2000) Marine mollusks in Japan. Tokai University Press. 1173 pp. page(s): 723
External links World Register of Marine Species