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Morphology Ecology and taphonomy   Age range and collections


Bivalvia - Carditida - Carditidae

Cyclocardia was named by Conrad (1867) [Sepkoski's age data: T Eo-m R]. It is extant. Its type is Venericardia borealis.

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).

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Synonymy list
YearName and author
1867Cyclocardia Conrad
1903Venericardia (Cyclocardia) Dall p. 1431
1946Cardita (Cyclocardia) Clark and Durham p. 56
1976Cyclocardia Moore p. 45
1980Cyclocardia Vokes p. 118
1987Cyclocardia Ward and Blackwelder p. 130
1990Cyclocardia Beu et al. p. 398
1992Cyclocardia Moore p. 12
1992Cyclocardia Ward p. 81
1998Cyclocardia Lamprell and Healy p. 240
1999Cyclocardia Wienrich p. 235
2002Cyclocardia Matsubara p. 140
2002Cyclocardia Sepkoski, Jr.
2008Cyclocardia Nielson and Valdovinos p. 206
2012Cyclocardia Coan and Valentich-Scott p. 381

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EubilateriaAx 1987
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Cox 1960)
CardiomorphiFerussac 1822
CarditioniDall 1889
orderCarditida(Dall 1889)
superfamilyCrassatelloidea(FĂ©russac 1822)
familyCarditidaeFleming 1820
subfamilyCarditinaeFleming 1820
genusCyclocardiaConrad 1867

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.

No diagnoses are available