Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Bivalvia
Subclassis: Pteriomorphia
Ordo: Ostreida
SubOrdo: Ostreina
Superfamilia: Ostreoidea
Familia: Ostreidae
Subfamilia: Crassostreinae
Genus: Crassostrea
Species: C. angulata – C. bilineata – C. braziliensis – C. corteziensis – C. gigas – C. glomerata – C. nippona – C. virginica – C. rizophorae – †C. gigantissima – †C. titan
Name
Crassostrea Sacco, 1897
Genus names in synonymy
†Crassostrea (Cubitostrea) = †Cubitostrea Sacco, 1897
Species names in synonymy
†Crassostrea elegans (Deshayes, 1832) = †Cubitostrea elegans (Deshayes, 1832)
References
Links
Crassostrea – Taxon details on Biological Library (BioLib).
Crassostrea – Taxon details on EPPO code.
Crassostrea – Taxon details on Fossilworks.
Crassostrea – Taxon details on Global Biodiversity Information Facility (GBIF).
Crassostrea - Taxon details on iNaturalist.
Crassostrea – Taxon details on Interim Register of Marine and Nonmarine Genera (IRMNG).
Crassostrea – Taxon details on Integrated Taxonomic Information System (ITIS).
Crassostrea – Taxon details on National Center for Biotechnology Information (NCBI).
Crassostrea – Taxon details on New Zealand Organisms Register (NZOR).
Crassostrea – Taxon details on Universal Biological Indexer and Organizer (uBio).
Crassostrea – Taxon details on World Register of Marine Species (WoRMS).
Crassostrea is a genus of true oysters (family Ostreidae)[2] containing some of the most important oysters used for food.
The genus was recent split in WoRMS, following the DNA-based phylogenies of Salvi et al. (2014 and 2017). Pacific species were moved to a new genus Magallana. C. zhanjiangensis became Talonostrea zhanjiangensis.[3] The changes are not universally welcomed by oyster researchers, as C. gigas (now M. gigas) is "one of the most researched species of marine invertebrate".[4]
Species
Extant species are:[2]
Crassostrea aequatorialis (A. d'Orbigny, 1846)
Crassostrea columbiensis (Hanley, 1846)
Crassostrea corteziensis (Hertlein, 1951)
Crassostrea mangle Amaral & Simone, 2014
Crassostrea rhizophorae (Guilding, 1828)
Crassostrea tulipa (Lamarck, 1819) – mangrove oyster
Crassostrea virginica (Gmelin, 1791) – eastern oyster
Fossil species
Crassostrea gigantissima (Finch, 1824) from the Eocene of Texas.
Crassostrea gigantissima (Finch, 1824) right valve interior (Eocene of Texas).
Fossil species include:[5]
†Crassostrea alabamiensis (Lea 1833)
†Crassostrea ashleyi (Hertlein 1943) (syn. Ostrea arnoldi)
†Crassostrea cahobasensis (Pilsbry and Brown 1910)
†Crassostrea contracta (Conrad 1865)
†Crassostrea cucullaris (Lamarck 1819)
†Crassostrea cuebana (Jung 1974)
†Crassostrea elegans (Deshayes, 1832)[6] (syn. †Cubitostrea elegans Deshayes 1832 or Crassostrea (Cubitostrea) elegans)
†Crassostrea gigantissima (Finch 1824) – Giant fossil oyster
†Crassostrea gryphoides (Schlotheim 1813)
†Crassostrea hatcheri (Ihering 1899)
†Crassostrea ingens (Zittel 1864)
†Crassostrea kawauchidensis (Tamura 1977)
†Crassostrea patagonica (d'Orbigny 1842) (syn. Ostrea ferrarisi)
†Crassostrea raincourti (Deshayes 1858)
†Crassostrea titan (Conrad 1853) (syn. Ostrea prior, O. andersoni)
†Crassostrea transitoria (Hupé 1854) (syn. Ostrea maxima)
†Crassostrea wyomingensis[7]
Genetics
The genome of Crassostrea gigas (now Magallana gigas) has been recently sequenced revealing an extensive set of genes that enable it to cope with environmental stresses.[8]
References
I Molluschi dei terreni terziari del Piemonte e della Liguria. F Sacco, 1897
Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2024). "Crassostrea Sacco, 1897". MolluscaBase. World Register of Marine Species. Retrieved 4 November 2024.
Salvi, Daniele; Mariottini, Paolo (July 2016). "Molecular taxonomy in 2D: a novel ITS2 rRNA sequence-structure approach guides the description of the oysters' subfamily Saccostreinae and the genus Magallana (Bivalvia: Ostreidae)". Zoological Journal of the Linnean Society. doi:10.1111/zoj.12455.
Bayne, B. L.; Ahrens, M.; Allen, S. K.; D'auriac, M. Anglès; Backeljau, T.; Beninger, P.; Bohn, R.; Boudry, P.; Davis, J.; Green, T.; Guo, X.; Hedgecock, D.; Ibarra, A.; Kingsley-Smith, P.; Krause, M.; Langdon, C.; Lapègue, S.; Li, C.; Manahan, D.; Mann, R.; Perez-Paralle, L.; Powell, E. N.; Rawson, P. D.; Speiser, D.; Sanchez, J.-L.; Shumway, S.; Wang, H. (December 2017). "The proposed dropping of the genus Crassostrea for all Pacific cupped oysters and its replacement by a new genus Magallana: a dissenting view". Journal of Shellfish Research. 36 (3): 545–547. doi:10.2983/035.036.0301. hdl:20.500.12010/8962.
"†Crassostrea Sacco 1897". Paleobiology Database. Fossilworks. Retrieved 17 December 2021.
irmng
J. Haffty, R. G. Schmidt, L. B. Riley, W. D. Goss. Rocks and Mineral Resources of the Wolf Creek Area, Lewis and Clark and Cascade Counties, Montana: A Descriptive Report on an Area in the Disturbed Belt Along the Eastern Front of the Northern Rocky Mountains in Western Montana, Issues 1441-1446
Zhang, G.; Fang, X.; Guo, X.; Li, L.; Luo, R.; Xu, F.; Yang, P.; Zhang, L.; Wang, X.; Qi, H.; Xiong, Z.; Que, H.; Xie, Y.; Holland, P. W. H.; Paps, J.; Zhu, Y.; Wu, F.; Chen, Y.; Wang, J.; Peng, C.; Meng, J.; Yang, L.; Liu, J.; Wen, B.; Zhang, N.; Huang, Z.; Zhu, Q.; Feng, Y.; Mount, A.; Hedgecock, D. (2012). "The oyster genome reveals stress adaptation and complexity of shell formation". Nature. 490 (7418): 49–54. Bibcode:2012Natur.490...49Z. doi:10.1038/nature11413. hdl:10722/251007. PMID 22992520.
Crassostrea on britannica.com.
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