Donax Bruneirufi
''Donax'' is the scientific name of two genera of organisms and may refer to: * ''Donax'' (bivalve), a genus of clams in the family Donacidae * ''Donax'' (plant), a genus of plants in the family Marantaceae {{Genus disambiguation ...
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Donax (bivalve)
''Donax'' is a genus of small, edible saltwater clams, marine bivalve mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000  extant species of molluscs are recognized. The number of fossil species is esti ...s. The genus is sometimes known as bean clams or wedge shells; however, ''Donax'' species have numerous different common names in different parts of the world. In the southeastern U.S. they are known as "coquina", a word that is also used for the hard limestone concretions of their shells and those of other marine organisms. Ecology Species of ''Donax'' live, sometimes in high concentrations, vertically aligned in the sand on exposed beaches, on tropical and temperate coasts worldwide. When the waves wash these small clams out of the sand, they can dig back in again quite rapidly. They are filter feeders. Some species, such as ''Donax variabilis'', migrate ...
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