Ostreidae
Ostreidae are the true oysters. The family includes most species eaten under the name oyster. Pearl oysters are not true oysters because they belong to a different order, the Pterioida.
| True Oysters | |
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| Pacific oyster, Crassostrea gigas | |
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| Family: | Ostreidae Rafinesque, 1815 |
Like scallops, true oysters have a central adductor muscle. This causes a scar in the middle of the shell. It is the point of attachment. The shell is often irregular because oysters attach to substrates.
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Data related to Ostreidae at Wikispecies
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