Chrysostoma
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''Chrysostoma'' is a genus of
sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
s,
marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...
gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
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 2012-11-23


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
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Species

Species within the genus ''Chrysostoma'' include: * '' Chrysostoma paradoxum'' (Born, 1778) ;Species brought into synonymy: * ''Chrysostoma zeus'' (Fischer, 1874): synonym of ''
Austrocochlea zeus ''Austrocochlea zeus'', common name the dory austrocochlea, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Bouchet, P. (2012). ''Austrocochlea zeus'' P. Fischer, 1874. Accessed through: World Regist ...
'' 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


To GenBank

To ITIS

To World Register of Marine Species
{{Taxonbar, from=Q5114947 Trochidae Gastropod genera