PBDB Taxon

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Scapharca

Bivalvia - Arcida - Arcidae

Taxonomy

Scapharca was named by Gray (1847) [Sepkoski's age data: T Ol-l R Sepkoski's reference number: 1112]. It is extant. Its type is Arca inaequivalvis.

It was reranked as Arca (Scapharca) by Dall (1898), Glenn (1904), Pilsbry and Olsson (1941) and da Silva Forti (1969); it was reranked as Anadara (Scapharca) by Schenck and Reinhart (1938), Reinhart (1943) and Jung (1965); it was reranked as Barbatia (Scapharca) by Harris and Palmer (1946).

It was assigned to Barbatia by Harris and Palmer (1946); to Anadara by Schenck and Reinhart (1938), Reinhart (1943) and Jung (1965); to Arca by Dall (1898), Glenn (1904), Pilsbry and Olsson (1941) and da Silva Forti (1969); to Anadarinae by Vokes (1980), Dockery (1982) and Moore (1983); to Arcoida by Sepkoski (2002); and to Arcidae by Wienrich (1999) and Mikkelsen (2006).

Species lacking formal opinion data

Anadara guajirensis, Anadara suzukii, S. agraria, S. agronomica, S. chordicosta, S. japonica, S. natalensis, S. pertenuicostata, S. recondita

Synonymy list

Year	Name and author
1847	Scapharca Gray
1898	Arca (Scapharca) Dall
1904	Arca (Scapharca) Glenn p. 385
1938	Anadara (Scapharca) Schenck and Reinhart pp. 58-62
1941	Arca (Scapharca) Pilsbry and Olsson p. 9
1943	Anadara (Scapharca) Reinhart p. 70
1946	Barbatia (Scapharca) Harris and Palmer p. 44
1965	Anadara (Scapharca) Jung p. 427
1969	Arca (Scapharca) da Silva Forti p. 65
1980	Scapharca Vokes p. 15
1982	Scapharca Dockery p. 32
1983	Scapharca Moore pp. A43 - A44
1999	Scapharca Wienrich p. 211
2002	Scapharca Sepkoski
2006	Scapharca Mikkelsen

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia

Rank	Name	Author
subclass	Autobranchia	(Groblen 1894)
infraclass	Pteriomorphia	(Beurlen 1944)
—	Ostreomorphi	Ferussac 1822
—	Arcioni	Gray 1854
order	Arcida	(Stoliczka 1871)
superfamily	Arcoidea	(Lamarck 1809)
family	Arcidae	Lamarck 1809
subfamily	Anadarinae	Reinhart 1935
genus	Scapharca	Gray 1847

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Scapharca Gray 1847

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Anadara (Scapharca) aviculaeformis Nyst 1848

Anadara (Scapharca) cepoides Reeve 1844

†Anadara (Scapharca) inaequivalvis Bruguière 1789

Anadara (Scapharca) labiosa Sowerby 1833

†Anadara (Scapharca) spiekeri Olsson 1932

†Arca (Scapharca) aguadica Sheldon and Maury 1920

†Arca (Scapharca) collazica Sheldon and Maury 1920

†Arca (Scapharca) ecuadoriana Pilsbry and Olsson 1941

†Arca (Scapharca) hopkinsi Pilsbry and Olsson 1941

†Arca (Scapharca) sansebastiana Sheldon and Maury 1920