The Donacidae, the bean clams or wedge shells, are a family of bivalve molluscs of the superfamily Tellinoidea.
The Donacidae are prolific filter feeders and are an important part of coastal food chains where they occur. The family is sensitive to coastal industry such as dam-building and dredging.
Description Members of this family have asymmetric, elongated, compressed shells. The two siphons are short but are completely divided, and the foot is large. They are vigorous burrowers.Barrett, J. H. and C. M. Yonge, 1958. Collins Pocket Guide to the Sea Shore. P. 160. Collins, London
Genera Donax Linnaeus, 1758 †Egerella Stoliczka, 1870 Galatea Bruguière, 1797 Hecuba Schumacher, 1817 Iphigenia Schumacher, 1817 Latona Schumacher, 1817
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