Crassostrea
Template:Short description Template:Automatic taxobox
Crassostrea is a genus of true oysters (family Ostreidae)<ref name="WoRMS"/> 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.<ref>Template:Cite journal</ref> 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".<ref>Template:Cite journal</ref>
Species
Extant species are:<ref name="WoRMS"/> Template:Columns-list
Fossil species
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Fossil species include:<ref name=fossilworks/>
- †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)<ref>irmng</ref> (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<ref>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</ref>
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.<ref name="2012Zhang" />
References
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