| Abra | |
|---|---|
| Abra alba | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Subclass: | Heterodonta |
| Order: | Veneroida |
| Superfamily: | Tellinoidea |
| Family: | Semelidae |
| Genus: | Abra Leach in Lamarck, 1818 |
| Species | |
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See text |
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Abra is a genus of bivalve mollusks in the Semelidae family. Members of this genus are mostly under 1.5 centimetres long and have thin shells which are usually white. They normally live under the surface of sandy and muddy sediments in the neritic zone.[1]