Most observed native Archiheterodonta
Native to the US, by how plants support them, most observed first.
Other species All
15 native species with no plant ties on record, most observed first.
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Broad-ribbed Cardita
Carditamera floridana
1,766 observations
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Chestnut Clam
Isocrassina castanea
771 observations
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Northern Cardita
Cyclocardia borealis
261 observations
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Wavy Astarte
Astarte undata
228 observations
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Three-tooth Carditid
Pleuromeris tridentata
217 observations
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Carpenter Carditid
Glans carpenteri
159 observations
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Lunate Crassinella
Crassinella lunulata
141 observations
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Beautiful Crassatella
Kalolophus speciosus
116 observations