''Anadara'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of saltwater

bivalve Bivalvia () or bivalves, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class (biology), class of aquatic animal, aquatic molluscs (marine and freshwater) that have laterally compressed soft bodies enclosed b ...

s, ark clams, in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Arcidae. It is also called ''Scapharca''. This genus is known in the fossil record from the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...

period to the

Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS), as well as the current and most recent of the twelve periods of the ...

period (age range: 140.2 to 0.0 million years ago). These fossils have been found all over the world.

Species

The following species are recognised in the genus ''Anadara'': * '' Anadara adamsi'' * '' Anadara aequatorialis'' * '' Anadara aethiopica'' * '' Anadara aliena'' * '' Anadara ambigua'' * '' Anadara amicula'' * '' Anadara angicostata'' * '' Anadara antiquata'' (

Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologic ...

) * '' Anadara auriculata''

Lamarck Jean-Baptiste Pierre Antoine de Monet, chevalier de Lamarck (1 August 1744 – 18 December 1829), often known simply as Lamarck (; ), was a French naturalist, biologist, academic, and soldier. He was an early proponent of the idea that biolo ...

* '' Anadara axelolssoni'' * '' Anadara bataviensis'' * '' Anadara biangulata'' * '' Anadara bifrons'' * '' Anadara bonplandiana'' * '' Anadara brasiliana'' (

, 1819) - incongruous ark * '' Anadara broughtonii'' ( Schrenck, 1867) * ''

Anadara camerunensis ''Anadara'' is a genus of seawater, saltwater bivalves, ark clams, in the family (biology), family Arcidae. It is also called ''Scapharca''. This genus is known in the fossil record from the Cretaceous period to the Quaternary period (age range ...

'' * '' Anadara cepoides'' * '' Anadara chemnitzii'' (

Philippi Philippi (; , ''Phílippoi'') was a major Greek city northwest of the nearby island, Thasos. Its original name was Crenides (, ''Krēnĩdes'' "Fountains") after its establishment by Thasian colonists in 360/359 BC. The city was renamed by Phili ...

, 1851) - Chemnitz ark, triangular ark * '' Anadara cistula'' * '' Anadara compacta'' * '' Anadara concinna'' (Sowerby, 1833) * '' Anadara consociata'' * '' Anadara corbuloides'' * '' Anadara cornea'' * '' Anadara corrugata'' * '' Anadara crassicostata'' * '' Anadara craticulata'' * '' Anadara crebricostata'' * '' Anadara cymbaeformis'' * † '' Anadara diluvii'' (

, 1805) * '' Anadara disparilis'' * '' Anadara eborensis'' * '' Anadara ehrenbergi'' * '' Anadara emarginata'' * '' Anadara esmeralda'' * '' Anadara ferruginea'' * '' Anadara formosa'' * '' Anadara fultoni'' * '' Anadara geissei'' * '' Anadara gibbosa'' * '' Anadara globosa'' * '' Anadara guangdongensis'' * '' Anadara gubernaculum'' * '' Anadara hankeyana'' * '' Anadara hemidesmos'' * '' Anadara hyphalopilema'' * '' Anadara inaequivalvis'' * '' Anadara indica'' * '' Anadara jousseaumei'' * '' Anadara jurata'' * '' Anadara kagoshimensis'' * '' Anadara kikaizimana'' * '' Anadara labiosa'' * '' Anadara lienosa'' ( Say, 1832) * '' Anadara lirata'' * '' Anadara livingstonei'' * '' Anadara mazatlanica'' * '' Anadara muii'' * '' Anadara natalensis'' * '' Anadara notabilis'' ( Röding, 1798) - eared ark * '' Anadara nugax'' * '' Anadara nux'' (Sowerby, 1833) * '' Anadara obesa'' * '' Anadara occlusa'' * '' Anadara oceanica'' * '' Anadara passa'' * '' Anadara perlabiata'' * '' Anadara pilula'' * '' Anadara pumila'' * '' Anadara pygmaea'' * '' Anadara reinharti'' * '' Anadara rhomboidalis'' * '' Anadara rotundicostata'' * '' Anadara rufescens'' * '' Anadara rugifera'' * '' Anadara sabinae'' * '' Anadara satowi'' (Dunker, 1882) * '' Anadara secernenda'' - Baughman ark, skewed ark * '' Anadara secticostata'' Reeve, 1844 * '' Anadara senegalensis'' * '' Anadara setigericosta'' * '' Anadara similis'' - ark cockle or mangrove cockle''Anadara similis''
World Register of Marine Species, 2012-07-12. * '' Anadara speciosa'' * '' Anadara subglobosa'' * '' Anadara subgranosa'' * '' Anadara subrubra'' * '' Anadara tosaensis'' * '' Anadara transversa'' ( Say, 1822) - transverse ark * '' Anadara trapezia'' ( Deshayes, 1839) * '' Anadara tricenicosta'' * '' Anadara troscheli'' * '' Anadara tuberculosa'' (G. B. Sowerby I, 1833) - pustulose ark * '' Anadara uropigimelana'' * '' Anadara valentichscotti'' * '' Anadara vellicata'' Anadara satowi

References

External links

* * Powell A W B, ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979 Bivalve genera Taxa named by John Edward Gray {{Arcidae-stub