Calyptraea
genus of molluscs
Calyptraea, commonly known as the Chinese hat snails, is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae, a family which contains the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails.
Species
Species within the genus Calyptraea include:
Calyptraea africana Rolán, 2004
† Calyptraea alta (Conrad, 1854)
Calyptraea aurita Reeve, 1859
Calyptraea barnardi Kilburn, 1980
Calyptraea burchi Smith & Gordon, 1948
Calyptraea capensis Tomlin, 1931
Calyptraea centralis (Conrad, 1841)
Calyptraea chinensis (Linnaeus, 1758)
Calyptraea conica Broderip, 1834
Calyptraea contorta (Carpenter, 1864)
Calyptraea edgariana Melvill, 1898
Calyptraea fastigiata Gould, 1846
Calyptraea helicoidea (G. B. Sowerby II, 1883)
Calyptraea inexpectata Rolán, 2004
Calyptraea lichen Broderip, 1834
Calyptraea mamillaris Broderip, 1834
Calyptraea pellucida (Reeve, 1859)
† Calyptraea primogenita Kiel, 2003 (taxon inquirendum)
Calyptraea renovata (Crosse & P. Fischer, 1890)
Calyptraea sakaguchii Kuroda & Habe, 1961
Calyptraea spinifera (Gray, 1867)
Calyptraea spirala (Forbes, 1852)
Calyptraea subreflexa (Carpenter, 1856)
† Calyptraea trochiformis Lamarck, 1804
Calyptraea ventricosa (Carpenter, 1857)
Calyptraea yokoyamai Kuroda, 1929
Species brought into synonymy
Calyptraea aberrans C.B. Adams, 1852: synonym of Anomia peruviana d'Orbigny, 1846
Calyptraea adolphei Lesson, 1831: synonym of Crepipatella dilatata (Lamarck, 1822)
Calyptraea amygdalus Valenciennes, 1846: synonym of Crepidula onyx G.B. Sowerby I, 1824
Calyptraea arenata Broderip, 1834: synonym of Crepidula excavata (Broderip, 1834)
Calyptraea dormitoria Reeve, 1858: synonym of Cheilea dormitoria (Reeve, 1858)
Calyptraea dorsata Broderip, 1834: synonym of Crepidula dorsata (Broderip, 1834)
Calyptraea echinus Broderip, 1834: synonym of Crepidula aculeata (Gmelin, 1791)
Calyptraea excavata Broderip, 1834: synonym of Crepidula excavata (Broderip, 1834)
Calyptraea hystrix Broderip, 1834: synonym of Crepidula aculeata (Gmelin, 1791)
Calyptraea incurva Broderip, 1834: synonym of Crepidula incurva (Broderip, 1834)
Calyptraea lessonii Broderip, 1834: synonym of Crepidula lessonii (Broderip, 1834)
Calyptraea marginalis Broderip, 1834: synonym of Crepidula marginalis (Broderip, 1834)
Calyptraea monoxyla Lesson, 1831: synonym of Maoricrypta monoxyla (Lesson, 1831)
Calyptraea plana A. Adams & Reeve, 1850: synonym of Crepidula walshi (Reeve, 1859)
Calyptraea rugosa Carpenter, 1856: synonym of Crepidula onyx G.B. Sowerby I, 1824
Calyptraea sinensis (Linnaeus, 1758): synonym of Calyptraea chinensis (Linnaeus, 1758)
Calyptraea spinosa G. B. Sowerby I, 1824: synonym of Crucibulum spinosum (G. B. Sowerby I, 1824)
Calyptraea squama Broderip, 1834: synonym of Crepidula striolata Menke, 1851
Calyptraea strigata Broderip, 1834: synonym of Crepidula dilatata (Lamarck, 1822)
References
Bernard, P.A. (Ed.) (1984). Coquillages du Gabon [Shells of Gabon]. Pierre A. Bernard: Libreville, Gabon. 140, 75 plates
Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp.
Gofas, S.; Le Renard, J.; Bouchet, P. (2001).
This brief starts where responsible research should: with the source description of “Calyptraea” as genus of molluscs. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the science & nature register because the source frames it as genus of molluscs. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated May 22, 2026. The linked authority identifier is Q3170356. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2004, 1854, 1859 and 1980.
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This entry incorporates text from “Calyptraea” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.