| Basic info | Taxonomic history | Classification | Relationships |
| Morphology | Ecology and taphonomy | Age range and collections |
Acar (miniature ark)
Bivalvia - Arcida - Arcidae
Taxonomy
Acar was named by Gray (1857) [Sepkoski's age data: K Maes-l R Sepkoski's reference number: 545]. It is extant.
It was reranked as Barbatia (Acar) by Maury (1917), Woodring (1925), Pilsbry and Olsson (1941) and Mandic and Steininger (2003); it was reranked as Arca (Acar) by Oostingh (1935) and Abrard (1947).
It was assigned to Arca by Oostingh (1935) and Abrard (1947); to Arcidae by Todd (2001); to Arcoida by Sepkoski (2002); to Barbatia by Maury (1917), Woodring (1925), Pilsbry and Olsson (1941) 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).
It was reranked as Barbatia (Acar) by Maury (1917), Woodring (1925), Pilsbry and Olsson (1941) and Mandic and Steininger (2003); it was reranked as Arca (Acar) by Oostingh (1935) and Abrard (1947).
It was assigned to Arca by Oostingh (1935) and Abrard (1947); to Arcidae by Todd (2001); to Arcoida by Sepkoski (2002); to Barbatia by Maury (1917), Woodring (1925), Pilsbry and Olsson (1941) 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).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Acar Gray |
| 1917 | Barbatia (Acar) Maury p. 330 |
| 1925 | Barbatia (Acar) Woodring p. 36 |
| 1935 | Arca (Acar) Oostingh p. 126 |
| 1941 | Barbatia (Acar) Pilsbry and Olsson p. 9 |
| 1947 | Arca (Acar) Abrard p. 95 |
| 1980 | Acar Vokes p. 11 |
| 1995 | Acar Pacaud and Le Renard p. 176 |
| 2000 | Acar Coan et al. p. 130 |
| 2001 | Acar Todd |
| 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.
Diagnosis
No diagnoses are available