# Cyclostoma

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Cyclostoma
> Markdown URL: https://mediated.wiki/source/Cyclostoma.md
> Source: https://en.wikipedia.org/wiki/Cyclostoma
> Source revision: 1020398025
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

For other uses, see [Favartia cyclostoma (disambiguation)](/source/Favartia_cyclostoma_(disambiguation)).

***Cyclostoma*** is an obsolete [genus](/source/Genus) name of [operculate](/source/Operculum_(gastropod)) [snails](/source/Snails) with circular aperture.[1]

This genus has become a synonym of *[Epitonium](/source/Epitonium)* Röding, 1798

## Species brought into synonymy

- *Cyclostoma scalare* (Linnaeus, 1758) ([type species](/source/Type_species)): synonym of *Turbo scalaris* Linnaeus, 1758 (original name), synonym of *[Epitonium scalare](/source/Epitonium_scalare)* (Linnaeus, 1758)
- *Cyclostoma elegans* (O.F. Müller 1774): synonym of *Nerita elegans* O.F. Müller 1774 (original name), synonym of *[Pomatias elegans](/source/Pomatias_elegans)* (O.F. Müller 1774)
- *Cyclostoma acutum* Draparnaud, 1805: synonym of *Hydrobia acuta acuta* (Draparnaud, 1805)
- *Cyclostoma breve* Draparnaud, 1805: synonym of *[Avenionia brevis](/source/Avenionia_brevis)* (Draparnaud, 1805)
- *Cyclostoma cincinnatiensis* I. Lea, 1840: synonym of *[Pomatiopsis cincinnatiensis](/source/Pomatiopsis_cincinnatiensis)* (I. Lea, 1840)
- *Cyclostoma concinnum* Scacchi, 1836: synonym of *[Truncatella subcylindrica](/source/Truncatella_subcylindrica)* (Linnaeus, 1767)
- *Cyclostoma costulatum* Rossmässler, 1837: synonym of *[Pomatias rivularis](/source/Pomatias_rivularis)* (Eichwald, 1829)
- *Cyclostoma delicatum* Philippi, 1844: synonym of *[Torellia delicata](/source/Torellia_delicata)* (Philippi, 1844)
- *Cyclostoma gibbum* Draparnaud, 1805: synonym of † *[Belgrandia gibba](/source/Belgrandia_gibba)* (Draparnaud, 1805)
- *Cyclostoma lapidaria* Say, 1817: synonym of *[Pomatiopsis lapidaria](/source/Pomatiopsis_lapidaria)* (Say, 1817)
- *Cyclostoma marginatum* Say, 1821: synonym of *[Pupoides albilabris](/source/Pupoides_albilabris)* (C. B. Adams, 1841)
- † *Cyclostoma rubeschi* Reuss in Reuss & Meyer, 1849 : synonym of † *[Staadtiellopsis rubeschi](/source/Staadtiellopsis_rubeschi)* (Reuss in Reuss & Meyer, 1849)
- *Cyclostoma subdisjuncta* H. Adams, 1868: synonym of *[Tubiola subdisjuncta](/source/Tubiola_subdisjuncta)* (H. Adams, 1868)
- *Cyclostoma truncatulum* Draparnaud, 1801: synonym of *[Truncatella subcylindrica](/source/Truncatella_subcylindrica)* (Linnaeus, 1767)

## References

1. Bouchet, P. (2014). Cyclostoma Lamarck, 1799. Accessed through: World Register of Marine Species at [http://www.marinespecies.org/aphia.php?p=taxdetails&id=519378](http://www.marinespecies.org/aphia.php?p=taxdetails&id=519378) on 2014-11-25

---
Adapted from the Wikipedia article [Cyclostoma](https://en.wikipedia.org/wiki/Cyclostoma) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Cyclostoma?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.