Most observed native oysters and allies
Native to the US, by how plants support them, most observed first.
Other species All
17 native species with no plant ties on record, most observed first.
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Eastern Oyster
Crassostrea virginica
18,275 observations
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Stiff Pen Shell
Atrina rigida
2,179 observations
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Sawtooth Pen Shell
Atrina serrata
1,285 observations
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Olympia Oyster
Ostrea lurida
1,249 observations
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Flat Tree Oyster
Isognomon alatus
1,041 observations
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Frond Oyster
Dendostrea frons
732 observations
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Atlantic Pearl Oyster
Pinctada imbricata
524 observations
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Amber Pen Shell
Pinna carnea
394 observations