Cyclostoma
Cyclostoma is an obsolete genus name of operculate snails with circular aperture.
This genus has become a synonym of Epitonium Röding, 1798Species brought into synonymy
- Cyclostoma scalare : synonym of Turbo scalaris Linnaeus, 1758, synonym of Epitonium scalare
- Cyclostoma elegans : synonym of Nerita elegans O.F. Müller 1774, synonym of Pomatias elegans
- Cyclostoma acutum Draparnaud, 1805: synonym of Hydrobia acuta acuta
- Cyclostoma breve Draparnaud, 1805: synonym of Avenionia brevis
- Cyclostoma cincinnatiensis I. Lea, 1840: synonym of Pomatiopsis cincinnatiensis
- Cyclostoma concinnum Scacchi, 1836: synonym of Truncatella subcylindrica
- Cyclostoma costulatum Rossmässler, 1837: synonym of Pomatias rivularis
- Cyclostoma delicatum Philippi, 1844: synonym of Torellia delicata
- Cyclostoma gibbum Draparnaud, 1805: synonym of † Belgrandia gibba
- Cyclostoma lapidaria Say, 1817: synonym of Pomatiopsis lapidaria
- Cyclostoma marginatum Say, 1821: synonym of Pupoides albilabris
- † Cyclostoma rubeschi Reuss in Reuss & Meyer, 1849 : synonym of † Staadtiellopsis rubeschi
- Cyclostoma subdisjuncta H. Adams, 1868: synonym of Tubiola subdisjuncta
- Cyclostoma truncatulum Draparnaud, 1801: synonym of Truncatella subcylindrica
