Biology:Crassostrea
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Short description: Genus of bivalves
| Crassostrea | |
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| Eastern oyster (Crassostrea virginica) | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Ostreida |
| Family: | Ostreidae |
| Genus: | Crassostrea Sacco, 1897[1] |
| Species | |
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See text | |
| Synonyms | |
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Crassostrea is a genus of true oysters (family Ostreidae) 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.[2] 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".[3]
Species
Extant species
Extant species include:[4]
- Crassostrea aequatorialis (d'Orbigny 1846)[4]
- Crassostrea angulata (Lamarck 1819) – Portuguese oyster
- Crassostrea brasiliana (Lamarck 1819)[4]
- Crassostrea chilensis (Philippi 1845)
- Crassostrea columbiensis (Hanley 1846)[4]
- Crassostrea corteziensis (Hertlein 1951)
- Crassostrea cuttackensis (Newton & Smith, 1912)
- Crassostrea dianbaiensis (Xia, Wu, Xiao & Yu, 2014)
- Crassostrea rhizophorae (Guilding 1828)[4]
- Crassostrea sikamea (Amemiya 1928) – Kumamoto oyster
- Crassostrea tulipa (Lamarck 1819) – mangrove oyster[4]
- Crassostrea virginica (Gmelin 1791) – eastern oyster[4]
Fossil species
.JPG)
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
- Crassostrea on britannica.com.
- ↑ I Molluschi dei terreni terziari del Piemonte e della Liguria. F Sacco, 1897
- ↑ 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. et al. (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.
- ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 Taxon list for Crassostrea. World Register of Marine Species, accessed on 9 August 2017.
- ↑ "†Crassostrea Sacco 1897". Paleobiology Database. Fossilworks. http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=16578.
- ↑ 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. et al. (2012). "The oyster genome reveals stress adaptation and complexity of shell formation". Nature 490 (7418): 49–54. doi:10.1038/nature11413. PMID 22992520. Bibcode: 2012Natur.490...49Z.
Wikidata ☰ Q542708 entry
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