Arca is a genus of edible saltwater clams in the family Arcidae, the Ark Clams.
Description
As is typical for ark clams, species in this genus have a long, straight hinge line. Some species in this genus, such as Arca zebra and Arca noae, have a brown-and-white striped pattern. Arca attach themselves to rock with byssal threads which protrude through a gap on the ventral (open) side.
Species
Species within the genus Arca include:
- Arca acuminata <small>Krauss, 1848</small>
- Arca angulata <small>King & Broderip, 1832</small>
- Arca avellana <small>Lamarck, 1819</small> - hazelnut ark
- Arca boucardi <small>Jousseaume, 1894</small> - Kobelt's ark
- Arca bouvieri <small>Fischer, 1874</small>
- Arca despecta <small>Fischer, 1876</small>
- Arca imbricata <small>Bruguière, 1789</small> - mossy ark
- Arca kauaia <small>(Dall, Bartsch & Rehder, 1938)</small>
- Arca koumaci <small>Lutaenko & Maestrati, 2007</small>
- Arca maculata <small>Sowerby</small>
- Arca mauia
- Arca mutabilis <small>(Sowerby I, 1833)</small> - changeable ark
- Arca navicularis <small>Bruguière, 1789</small> - Indo-pacific ark
- Arca noae <small>Linnaeus, 1758</small> - Noah's ark
- Arca ocellata <small>Reeve, 1844</small>
- Arca pacifica <small>(Sowerby I, 1833)</small> - Panamic turkey wing
- Arca patriarchalis <small>Röding, 1798</small>
- Arca reticulata <small>Gmelin, 1791</small>
- Arca tetragona <small>Poli, 1795</small> - four-sided ark
- Arca truncata <small>Sowerby</small>
- Arca turbatrix <small>Oliver & Cosel, 1993</small>
- Arca ventricosa <small>Lamarck, 1819</small> - ventricose ark
- Arca volucris <small>Reeve, 1844</small>
- Arca zebra <small>(Swainson, 1833)</small> - Atlantic turkey wing
References