page_title: Donax (bivalve)
section_title: Species
hierarchical_section_title: Donax (bivalve) / Species
caption_attribution_description: Familie: Donacidae Grösse: 4 cm Verbreitung: Indopazifik Fundort: Kenia, Diani-Beach leg.det. U.Schmidt, 1990 Foto: U.Schmidt, 2008
context_page_description: Donax is a genus of small, edible saltwater clams, marine bivalve molluscs. 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 US 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.
context_section_description: Species within the genus Donax include:
  Donax asper Hanley 1845
  Donax assimilis Hanley, 1845
  Donax baliregteri Huber, 2012
  Donax bertini Pilsbry, 1901
  Donax bipartitus Sowerby III, 1892
  Donax brazieri Smith, 1892
  Donax bruneirufi Huber, 2012
  Donax burnupi Sowerby III, 1894
  Donax caelatus Carpenter, 1857
  Donax californicus Conrad, 1837
  Donax carinatus Hanley, 1843
  Donax clathratus Reeve, 1855
  Donax culter Hanley, 1845
  Donax cuneatus Linnaeus, 1758
  Donax denticulatus Linnaeus, 1758
  Donax dentifer Hanley, 1843
  Donax ecuadorianus Olsson, 1961
  Donax erythraeensis Bertin, 1881
  Donax faba Gmelin, 1791
  Donax fossor Say, 1822 - was thought at one time to be a northern form of D. variabilis
  Donax francisensis (Cotton & Godfrey, 1938)
  Donax gemmula Morrison, 1971
  Donax gouldii Dall, 1921 - The bean clam, aka Donax gracilis Hanley 1845
  Donax hanleyanus (Philippi, 1847)
  Donax kindermanni (Philippi, 1847)
  Donax lubricus Hanley, 1845
  Donax madagascariensis Wood, 1828
  Donax nitidus Deshayes, 1855
  Donax obesulus Reeve 1854
  Donax obesus d'Orbigny, 1845
  Donax oweni Hanley, 1843
  Donax paxillus Reeve, 1854
  Donax punctatostriatus Hanley, 1843
  Donax rothi Coan, 1983
  Donax semistriatus Poli, 1795
  Donax serra Röding, 1798
  Donax simplex Sowerby III, 1897
  Donax sordidus Hanley, 1845
  Donax striatus Linnaeus, 1767
  Donax texasianus Philippi, 1847
  Donax townsendi Sowerby III, 1894
  Donax transversus Sowerby I, 1825
  Donax trunculus Linnaeus, 1758 - Locally known as tellin in French, tellina or telline in Italian, coquina in Spanish and conquilha or cadelinha in Portuguese.
  Donax variabilis Say, 1822 - Known in Florida under the Spanish word "coquina", is the common and colorful Donax species of the southern Atlantic and Gulf shores from Virginia to the Caribbean.  This species is locally abundant on beaches with fine sand from the mid-Atlantic coast to Texas.
  Donax variegatus  (Gmelin, 1791)
  Donax vellicatus Reeve, 1855
  Donax veneriformis Lamarck, 1818
  Donax veruinus Hanley, 1913
  Donax vittatus (da Costa, 1778)
  The empty small (15 to 25 mm) shells of Donax variabilis and Donax fossor may be found washed up on the beach, especially at low tide. The living animals can often be seen where the waves wash the sand around in the most shallow part of the littoral zone as the tidal level changes. These clams can use the action of waves to move themselves up and down the beach, quickly burrowing into a new location before they can be swept away (the so-called "dance of the coquina").
caption: Donax cuneatus shell
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