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Taxonomy
Acar was named by Gray (1857). It is extant.
It was reranked as Barbatia (Acar) by Maury (1917), Woodring (1925), Mansfield (1940), Pilsbry and Olsson (1941), Reinhart (1943), Adegoke (1977), 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), Reinhart (1943), Adegoke (1977), 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).
It was reranked as Barbatia (Acar) by Maury (1917), Woodring (1925), Mansfield (1940), Pilsbry and Olsson (1941), Reinhart (1943), Adegoke (1977), 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), Reinhart (1943), Adegoke (1977), 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).
Species
A. bailyi, A. celleporacea, A. congenita, A. domingensis (syn. A. reticulata), A. lamellosa, A. plicata, A. rostrae, A. sandersonae, Arca (Acar) cheribonensis, Arca (Acar) pusilla, Barbatia (Acar) aspera, Barbatia (Acar) bailyi, Barbatia (Acar) gradata (syn. A. panamensis), Barbatia (Acar) micronodosa, Barbatia (Acar) reinharti, Barbatia (Acar) trapeziformis
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Acar Gray |
| 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 |
| 1943 | Barbatia (Acar) Reinhart p. 34 |
| 1947 | Arca (Acar) Abrard p. 95 |
| 1977 | Barbatia (Acar) Adegoke p. 221 |
| 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 |
| 2001 | Acar Todd |
| 2002 | Acar Sepkoski |
| 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.
G. Acar Gray 1857 [miniature ark]
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Acar bailyi Bartsch 1931
†Acar celleporacea Tate 1886
Acar congenita Smith 1885
†Acar lamellosa Deshayes 1858
Acar plicata Dillwyn 1817
Acar rostrae Berry 1954
Acar sandersonae Powell 1933
Arca (Acar) cheribonensis Oostingh 1935
Arca (Acar) pusilla Sowerby 1833
†Barbatia (Acar) aspera Conrad 1854
Barbatia (Acar) bailyi Bartsch 1931
Barbatia (Acar) gradata Broderip and Sowerby 1829
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Invalid names: Acar panamensis Bartsch 1931 [synonym]
†Barbatia (Acar) micronodosa Adegoke 1977
Barbatia (Acar) reinharti Effinger 1938
†Barbatia (Acar) trapeziformis Martin 1879
Diagnosis
No diagnoses are available