infraclass
Heteroconchia
Heteroconchia
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native Heteroconchia All
Native to the US, by observations.
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Giant Floater
Pyganodon grandis
9,459 observations
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Soft-shelled Clam
Mya arenaria
9,434 observations
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Eastern Elliptio
Elliptio complanata
9,143 observations
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Nuttall's Cockle
Clinocardium nuttallii
7,218 observations
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Fatmucket
Lampsilis siliquoidea
6,955 observations
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Atlantic Jackknife
Ensis leei
6,832 observations
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Plain Pocketbook
Lampsilis cardium
4,941 observations
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Pacific Littleneck Clam
Leukoma staminea
4,437 observations
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Three-ridge Mussel
Amblema plicata
4,264 observations
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Gould Beanclam
Donax gouldii
3,782 observations
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Pismo Clam
Tivela stultorum
3,597 observations
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Mapleleaf
Quadrula quadrula
3,359 observations
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Fragile Papershell
Potamilus fragilis
3,287 observations
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Pacific Razor Clam
Siliqua patula
2,747 observations
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Paper Pondshell
Utterbackia imbecillis
2,742 observations