{{Short description|Genus of molluscs}} {{other uses|Favartia cyclostoma}} {{italic title}} {{Automatic Taxobox | name = ''Cyclostoma'' | image = | image_caption = | taxon = Cyclostoma | authority = Lamarck, 1799 | subdivision_ranks = Species | subdivision = | synonyms_ref = | synonyms = | type_species= ''Turbo scalaris'' <small>Linnaeus, 1758</small> }}
'''''Cyclostoma''''' is an obsolete genus name of operculate snails with circular aperture.<ref name="WoRMS">Bouchet, P. (2014). Cyclostoma Lamarck, 1799. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=519378 on 2014-11-25</ref>
This genus has become a synonym of ''Epitonium'' <small>Röding, 1798</small>
==Species brought into synonymy== * ''Cyclostoma scalare'' <small>(Linnaeus, 1758)</small> (type species): synonym of ''Turbo scalaris'' <small>Linnaeus, 1758</small> (original name), synonym of ''Epitonium scalare'' <small>(Linnaeus, 1758)</small> * ''Cyclostoma elegans'' <small>(O.F. Müller 1774)</small>: synonym of ''Nerita elegans'' <small>O.F. Müller 1774</small> (original name), synonym of ''Pomatias elegans'' <small>(O.F. Müller 1774)</small> * ''Cyclostoma acutum'' <small>Draparnaud, 1805</small>: synonym of ''Hydrobia acuta acuta'' <small>(Draparnaud, 1805)</small> * ''Cyclostoma breve'' <small>Draparnaud, 1805</small>: synonym of ''Avenionia brevis'' <small>(Draparnaud, 1805)</small> * ''Cyclostoma cincinnatiensis'' <small>I. Lea, 1840</small>: synonym of ''Pomatiopsis cincinnatiensis'' <small>(I. Lea, 1840)</small> * ''Cyclostoma concinnum'' <small>Scacchi, 1836</small>: synonym of ''Truncatella subcylindrica'' <small>(Linnaeus, 1767)</small> * ''Cyclostoma costulatum'' <small>Rossmässler, 1837</small>: synonym of ''Pomatias rivularis'' <small>(Eichwald, 1829)</small> * ''Cyclostoma delicatum'' <small>Philippi, 1844</small>: synonym of ''Torellia delicata'' <small>(Philippi, 1844)</small> * ''Cyclostoma gibbum'' <small>Draparnaud, 1805</small>: synonym of † ''Belgrandia gibba'' <small>(Draparnaud, 1805)</small> * ''Cyclostoma lapidaria'' <small>Say, 1817</small>: synonym of ''Pomatiopsis lapidaria'' <small>(Say, 1817)</small> * ''Cyclostoma marginatum'' <small>Say, 1821</small>: synonym of ''Pupoides albilabris'' <small>(C. B. Adams, 1841)</small> * † ''Cyclostoma rubeschi'' <small>Reuss in Reuss & Meyer, 1849</small> : synonym of † ''Staadtiellopsis rubeschi'' <small>(Reuss in Reuss & Meyer, 1849)</small> * ''Cyclostoma subdisjuncta'' <small>H. Adams, 1868</small>: synonym of ''Tubiola subdisjuncta'' <small>(H. Adams, 1868)</small> * ''Cyclostoma truncatulum'' <small>Draparnaud, 1801</small>: synonym of ''Truncatella subcylindrica'' <small>(Linnaeus, 1767)</small>
== References == {{Reflist}}
== External links == <!-- {{Wikispecies}} {{Commons}} -->
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Category:Obsolete animal taxa