Abra (bivalve)

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]

Abra
Two complete shells of Abra alba, one closed and one open
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Subclass: Heterodonta
Order: Cardiida
Superfamily: Tellinoidea
Family: Semelidae
Genus: Abra
Leach in Lamarck, 1818
Species

See text.

They are considered an important food source for flat fish.[2]

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 (Récluz, 1843)
  • Abra tenuis (Montagu, 1818)
  • Abra tepocana Dall, 1915
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References
  1. Barrett, J. & C. M. Yonge (1958) Collins Pocket Guide to the Sea Shore. Collins, London
  2. Rees, H.L. and Dare. P.J (1993)Sources of mortality and associated life-cycle traits of selected benthic species: a review. Fisheries Research Data Report No. 33, Directorate of Fisheries Research, Lowestoft.
  • "Abra". National Center for Biotechnology Information (NCBI).


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