Amphidesma punctata Say, 1822 Diplodonta punctata, or the Atlantic diplodon, is a species of bivalve mollusc in the family Ungulinidae.

[1][2][3] It can be found along the Atlantic coast of North America, ranging from North Carolina to Bermuda,[3] and south to Gulf of Mexico and the Caribbean.

[1] The shell length can reach 1.9 cm (0.75 in).

[2] This bivalve-related article is a stub.

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