Acar (bivalve)

Acar is a genus of small saltwater clams, marine bivalve mollusks in the family Arcidae, the ark clams.^[1]

Acar
View of a left valve of an Acar species
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Arcida
Family:	Arcidae
Genus:	Acar Gray, 1857

Some authors consider it to be a subgenus of Barbatia.^[2]

Species

Species in this genus include:

• Acar abdita P. G. Oliver & Chesney, 1994^[1]
• Acar agulhasensis (Thiele, 1931)^[1]
• Acar bailyi Bartsch, 1931^[1]
• Acar botanica (Hedley, 1917)^[1]
• Acar carditaeformis (Dautzenberg & H. Fischer, 1897)^[1]
• Acar clathrata (Defrance, 1816)^[1]
• Acar congenita (E. A. Smith, 1885)^[1]
• Acar decorata (Hayami & Kase, 1993)^[1]
• Acar dubia (Baird, 1873)^[1]
• Acar gradata (Broderip & G. B. Sowerby I, 1829),^[1] from California, US^[2]
• Acar lepidoformis Francisco, Barros & S. Lima, 2012^[1]
• Acar marsupialis P. G. Oliver & Holmes, 2004^[1]
• Acar naturezae Francisco, Barros & S. Lima, 2012^[1]
• Acar oliveirae Francisco, Barros & S. Lima, 2012^[1]
• Acar olivercoseli M. Huber, 2010^[1]
• Acar petasion (Kilburn, 1983)^[1]
• Acar plicata (Dillwyn, 1817)^[1]
• Acar pusilla (G. B. Sowerby I, 1833)^[1]
• Acar requiescens (Melvill & Standen, 1907)^[1]
• Acar rostae (Berry, 1954)^[1]
• Acar sandersonae Powell, 1933^[1]
• Acar sociella (Brookes, 1926)^[1]
• Acar squamosa (Lamarck, 1819)^[1]
• Acar transmar Simone, 2009,^[1] from Brazil^[2]

Although Simone lists another species Acar domingensis,^[2] it has been reclassified as Barbatia.^[1]