Abra is a genus of saltwater clams, marine bivalve mollusks in the family Semelidae. Members of this genus are mostly under 1.5 centimeters long, and have thin shells which are usually white. These bivalves normally live under the surface of sandy and muddy sediments, in the neritic zone.^[1]

Species

Species within the genus Abra include:

• Abra aequalis (Say, 1822)
• Abra alba (Wood W., 1802)
• Abra californica Kundsen, 1970
• Abra lioica (Dall, 1881)
• Abra longicallis Sacchi, 1836
• Abra nitida (O. F. Mueller, 1776)
• Abra pacifica Dall, 1915
• Abra prismatica
• Abra profundorum E. A. Smith, 1885
• Abra segmentum (R cluz, 1843)
• Abra tenuis (Montagu, 1818)
• Abra tepocana Dall, 1915

References

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