Chrysostoma is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.Bouchet, P. (2012). Chrysostoma Swainson, 1840. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=225491 on 2012-11-23Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). . XII, 195 pp.
Description The solid, thick shell has a globose shape. The spire is very short . The aperture is rounded. The parietal wall bears a heavy callus which wholly or almost covers the narrow umbilicus.Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
Species Species within the genus Chrysostoma include: Chrysostoma paradoxum (Born, 1778) Species brought into synonymy Chrysostoma zeus (Fischer, 1874): synonym of Austrocochlea zeus P. Fischer, 1874
References
MacNeil, F.S., 1960. Tertiary and Quaternary Gastropoda of Okinawa. U.S. Geol. S. Professional Pa., 339:0-0
External links GenBank ITIS World Register of Marine Species