WoRMS taxon details
Crepidula onyx G. B. Sowerby I, 1824
397063 (urn:lsid:marinespecies.org:taxname:397063)
accepted
Species
Calyptraea amygdalus Valenciennes, 1846 · unaccepted
Crepidula rugosa P. P. Carpenter, 1857 · unaccepted (invalid: junior homonym of...)
invalid: junior homonym of Crepidula rugosa Anton, 1838
marine
Sowerby I, G. B. (1821-1834). <i>The genera of recent and fossil shells, for the use of students, in conchology and geology</i>. Published in 42 parts. Vol. 1, pls 1-126 [1821-1825]; vol. 2, pls 127-262 + text (unpaginated) [1825-1834]. London: G. B. Sowerby. , available online at https://www.biodiversitylibrary.org/page/45486673
page(s): no. 32, fig. 2 [details]
page(s): no. 32, fig. 2 [details]
Distribution Southern California, to Baja California, and possibly further south. Introduced in central Puget Sound, Washington, Japan,...
Distribution Southern California, to Baja California, and possibly further south. Introduced in central Puget Sound, Washington, Japan, Korea and Hong Kong. Intertidal to 30 m in bays and lagoons, common elsewhere in low intertidal to shallow subtidal on shells and rocks. [details]
MolluscaBase eds. (2025). MolluscaBase. Crepidula onyx G. B. Sowerby I, 1824. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=397063 on 2025-04-01
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
Nomenclature
original description
Sowerby I, G. B. (1821-1834). <i>The genera of recent and fossil shells, for the use of students, in conchology and geology</i>. Published in 42 parts. Vol. 1, pls 1-126 [1821-1825]; vol. 2, pls 127-262 + text (unpaginated) [1825-1834]. London: G. B. Sowerby. , available online at https://www.biodiversitylibrary.org/page/45486673
page(s): no. 32, fig. 2 [details]
original description (of Calyptraea amygdalus Valenciennes, 1846) Valenciennes A. (1846). Atlas de Zoologie. Mollusques. <em>In: A. du Petit-Thouars, Voyage autour du monde sur la frégate la Venus pendant les années 1836–1839.</em> 4 vols. [Mollusques: pls. 1, 1bis, 2, 2bis, 3, 3bis, 4–24; no text]., available online at https://www.biodiversitylibrary.org/page/54753345
page(s): pl. 15 fig. 3 [details]
original description (of Crepidula rugosa P. P. Carpenter, 1857) Carpenter, P. P. (1857). Monograph of the shells collected by T. Nuttall, Esq., on the California coast, in the years 1834–5. <em>Proceedings of the Zoological Society of London.</em> (1856) 24: 209-220., available online at https://www.biodiversitylibrary.org/page/12860757
page(s): 224 [details]
basis of record Collin R. (2019). Calyptraeidae from the northeast Pacific (Gastropoda: Caenogastropoda). <em>Zoosymposia.</em> 13: 107-130., available online at http://dx.doi.org/10.11646/zoosymposia.13.1.12
page(s): 118, figs 1E, 4E [details]
page(s): no. 32, fig. 2 [details]
original description (of Calyptraea amygdalus Valenciennes, 1846) Valenciennes A. (1846). Atlas de Zoologie. Mollusques. <em>In: A. du Petit-Thouars, Voyage autour du monde sur la frégate la Venus pendant les années 1836–1839.</em> 4 vols. [Mollusques: pls. 1, 1bis, 2, 2bis, 3, 3bis, 4–24; no text]., available online at https://www.biodiversitylibrary.org/page/54753345
page(s): pl. 15 fig. 3 [details]
original description (of Crepidula rugosa P. P. Carpenter, 1857) Carpenter, P. P. (1857). Monograph of the shells collected by T. Nuttall, Esq., on the California coast, in the years 1834–5. <em>Proceedings of the Zoological Society of London.</em> (1856) 24: 209-220., available online at https://www.biodiversitylibrary.org/page/12860757
page(s): 224 [details]
basis of record Collin R. (2019). Calyptraeidae from the northeast Pacific (Gastropoda: Caenogastropoda). <em>Zoosymposia.</em> 13: 107-130., available online at http://dx.doi.org/10.11646/zoosymposia.13.1.12
page(s): 118, figs 1E, 4E [details]
Identification resource
identification resource
Hoagland, K.E. 1977. Systematic review of fossil and recent <i>Crepidula</i> and discussion of the evolution of the Calyptraeidae. <i>Malacologia</i>, 16(2): 353-420., available online at http://biodiversitylibrary.org/page/13131436 [details]
Other
context source (Introduced species)
Molnar, J.L., R.L. Gamboa, C. Revenga & M.D. Spalding. (2008). Assessing the global threat of invasive species to marine biodiversity. <em>Frontiers in Ecology and the Environment.</em> 6(9): 485-492., available online at https://www.conservationgateway.org/ConservationPractices/Marine/Pages/marineinvasives.aspx [details] Available for editors
[request]
context source (PeRMS) Ramírez, R.; Paredes, C.; Arenas, J. (2003). Moluscos del Perú. <em>Revista de Biologia Tropical.</em> 51(supplement 3): 225-284. [details] Available for editors
[request]
additional source Paredes C. & Cardoso F. 2007. La Familia Calyptraeidae en el Perú (Gastropoda: Caenogastropoda). Revista Peruana de Biología, número especial 13(3): 177-184, available online at http://www.scielo.org.pe/pdf/rpb/v13n3/v13n03a05.pdf [details]
additional source Lutaenko, K.A.; Furota, T.; Nakayama; S.; Shin, K.; Xu, J. (2013). Atlas of Marine Invasive Species in the NOWPAP Region. Beijing: NOWPAP DINRAC (Northwest Pacific Action Plan, Data and Information Network Regional Center). 189 pp. [details]

context source (PeRMS) Ramírez, R.; Paredes, C.; Arenas, J. (2003). Moluscos del Perú. <em>Revista de Biologia Tropical.</em> 51(supplement 3): 225-284. [details] Available for editors

additional source Paredes C. & Cardoso F. 2007. La Familia Calyptraeidae en el Perú (Gastropoda: Caenogastropoda). Revista Peruana de Biología, número especial 13(3): 177-184, available online at http://www.scielo.org.pe/pdf/rpb/v13n3/v13n03a05.pdf [details]
additional source Lutaenko, K.A.; Furota, T.; Nakayama; S.; Shin, K.; Xu, J. (2013). Atlas of Marine Invasive Species in the NOWPAP Region. Beijing: NOWPAP DINRAC (Northwest Pacific Action Plan, Data and Information Network Regional Center). 189 pp. [details]





From editor or global species database
Distribution Southern California, to Baja California, and possibly further south. Introduced in central Puget Sound, Washington, Japan, Korea and Hong Kong. Intertidal to 30 m in bays and lagoons, common elsewhere in low intertidal to shallow subtidal on shells and rocks. [details]From regional or thematic species database
Introduced species impact Chinese part of the South China Sea (Marine Region) Water abstraction or nuisance fouling [details]Introduced species impact Chinese part of the South China Sea (Marine Region) Outcompetes native species for resources and/or space [details]
Introduced species vector dispersal Chinese part of the South China Sea (Marine Region) Ships: General [details]
To Barcode of Life (72 barcodes)
To Biodiversity Heritage Library (78 publications)
To Biological Information System for Marine Life (BISMaL)
To European Nucleotide Archive, ENA (Crepidula onyx)
To GenBank (14 nucleotides; 12 proteins)
To Malacopics (Crepidula onyx G. B. Sowerby I, 1824 Japan, Mie, Ise-wan, Tokoname, on Rapana thoma...
To Malacopics (Crepidula onyx G. B. Sowerby I, 1824 United States, California, Corona del Mar, New...
To USNM Invertebrate Zoology Mollusca Collection
To ITIS
To Biodiversity Heritage Library (78 publications)
To Biological Information System for Marine Life (BISMaL)
To European Nucleotide Archive, ENA (Crepidula onyx)
To GenBank (14 nucleotides; 12 proteins)
To Malacopics (Crepidula onyx G. B. Sowerby I, 1824 Japan, Mie, Ise-wan, Tokoname, on Rapana thoma...
To Malacopics (Crepidula onyx G. B. Sowerby I, 1824 United States, California, Corona del Mar, New...
To USNM Invertebrate Zoology Mollusca Collection
To ITIS