|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Acar (miniature ark)
Bivalvia - Arcida - Arcidae
It was reranked as Barbatia (Acar) by Maury (1917), Woodring (1925), Mansfield (1940), Pilsbry and Olsson (1941), Squires and Demetrion (1992) and Mandic and Steininger (2003); it was reranked as Arca (Acar) by Harris (1919), Oostingh (1935) and Abrard (1947).
It was assigned to Arca by Harris (1919), Oostingh (1935) and Abrard (1947); to Arcidae by Todd (2001); to Arcoida by Sepkoski (2002); to Barbatia by Maury (1917), Woodring (1925), Mansfield (1940), Pilsbry and Olsson (1941), Squires and Demetrion (1992) and Mandic and Steininger (2003); and to Arcinae by Vokes (1980), Pacaud and Le Renard (1995), Coan et al. (2000), Spencer et al. (2004) and Coan and Valentich-Scott (2012).
|Year||Name and author|
|1917||Barbatia (Acar) Maury p. 330|
|1919||Arca (Acar) Harris p. 55|
|1925||Barbatia (Acar) Woodring p. 36|
|1935||Arca (Acar) Oostingh p. 126|
|1940||Barbatia (Acar) Mansfield p. 175|
|1941||Barbatia (Acar) Pilsbry and Olsson p. 9|
|1947||Arca (Acar) Abrard p. 95|
|1980||Acar Vokes p. 11|
|1992||Barbatia (Acar) Squires and Demetrion p. 36|
|1995||Acar Pacaud and Le Renard p. 176|
|2000||Acar Coan et al. p. 130|
|2002||Acar Sepkoski, Jr.|
|2003||Barbatia (Acar) Mandic and Steininger p. 276|
|2004||Acar Spencer et al.|
|2012||Acar Coan and Valentich-Scott p. 159|
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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.