|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Bivalvia - Carditida - Carditidae
It was reranked as Venericardia (Cyclocardia) by Dall (1903); it was reranked as Cardita (Cyclocardia) by Clark and Durham (1946).
It was assigned to Venericardia by Dall (1903); to Cardita by Clark and Durham (1946); to Carditamerinae by Moore (1976), Vokes (1980) and Ward (1992); to Veneroida by Sepkoski (2002); to Venericardiinae by Beu et al. (1990) and Matsubara (2002); to Carditidae by Ward and Blackwelder (1987), Moore (1992), Lamprell and Healy (1998), Wienrich (1999) and Nielson and Valdovinos (2008); and to Carditinae by Coan and Valentich-Scott (2012).
|Year||Name and author|
|1903||Venericardia (Cyclocardia) Dall p. 1431|
|1946||Cardita (Cyclocardia) Clark and Durham p. 56|
|1976||Cyclocardia Moore p. 45|
|1980||Cyclocardia Vokes p. 118|
|1987||Cyclocardia Ward and Blackwelder p. 130|
|1990||Cyclocardia Beu et al. p. 398|
|1992||Cyclocardia Moore p. 12|
|1992||Cyclocardia Ward p. 81|
|1998||Cyclocardia Lamprell and Healy p. 240|
|1999||Cyclocardia Wienrich p. 235|
|2002||Cyclocardia Matsubara p. 140|
|2002||Cyclocardia Sepkoski, Jr.|
|2008||Cyclocardia Nielson and Valdovinos p. 206|
|2012||Cyclocardia Coan and Valentich-Scott p. 381|
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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.