IUCN threat status:

Vulnerable (VU)

Distribution

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The dwarf wedgemussel, Alasmidonta heterodon, has a discontinuous range on the Atlantic coast of the United States. Twenty-four populations of dwarf wedgemussels are found within 12 states from Maine to North Carolina. This species may have occurred in Canada but is likely extirpated.

Biogeographic Regions: nearctic (Native )

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Source: Animal Diversity Web

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