subfamily
Unioninae
Unioninae
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native Unioninae All
Native to the US, by observations.
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Giant Floater
Pyganodon grandis
9,459 observations
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Paper Pondshell
Utterbackia imbecillis
2,742 observations
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Eastern Floater
Pyganodon cataracta
2,015 observations
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White Heelsplitter
Lasmigona complanata
1,642 observations
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Flutedshell
Lasmigona costata
1,597 observations
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Creeper
Strophitus undulatus
1,088 observations
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Elktoe
Alasmidonta marginata
924 observations
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Cylindrical Papershell
Anodontoides ferussacianus
671 observations
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Alewife Floater
Utterbackiana implicata
505 observations
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Creek Heelsplitter
Lasmigona compressa
370 observations
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Rock-pocketbook
Arcidens confragosus
287 observations
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Winged Floater
Anodonta nuttalliana
222 observations
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Oregon Floater
Anodonta oregonensis
130 observations
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California Floater
Anodonta californiensis
128 observations
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Yukon Floater
Beringiana beringiana
93 observations