|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Arcida - Arcidae
It was reranked as Scapharca (Cunearca) by Maury (1917); it was reranked as Arca (Cunearca) by Pilsbry and Olsson (1941); it was reranked as Anadara (Cunearca) by DuBar (1958), Jung (1965), da Silva Forti (1969), Perrilliat (1992), Todd (2001) and Rosenberg et al. (2006).
It was assigned to Scapharca by Maury (1917); to Arca by Pilsbry and Olsson (1941); to Anadarinae by Vokes (1980) and Ward (1992); to Arcoida by Sepkoski (2002); and to Anadara by DuBar (1958), Jung (1965), da Silva Forti (1969), Perrilliat (1992), Todd (2001) and Rosenberg et al. (2006).
|Year||Name and author|
|1917||Scapharca (Cunearca) Maury p. 343|
|1941||Arca (Cunearca) Pilsbry and Olsson p. 9|
|1958||Anadara (Cunearca) DuBar p. 157|
|1965||Anadara (Cunearca) Jung p. 423|
|1969||Anadara (Cunearca) da Silva Forti p. 68|
|1980||Cunearca Vokes p. 14|
|1980||Imparilarca Vokes p. 14|
|1992||Anadara (Cunearca) Perrilliat p. 6|
|1992||Cunearca Ward p. 53|
|1996||Imparilarca Jensen p. 37|
|2001||Anadara (Cunearca) Todd|
|2002||Cunearca Sepkoski, Jr.|
|2006||Anadara (Cunearca) Rosenberg et al.|
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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.