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Protocardia

Bivalvia - Cardiida - Cardiidae

Taxonomy
Protocardium was named by Beyrich (1845) [Sepkoski's age data: Tr Rhae K Maes-l Sepkoski's reference number: 674]. It is not extant. Its type is Protocardia hillana.

It was reranked as Cardium (Protocardium) by McCoy (1877); it was reranked as Cardium (Protocardia) by Gabb (1881) and Scholz et al. (2008); it was corrected as Protocardia by Ronchetti (1970), Vokes (1980), Schneider (1995), Bouchet et al. (2010) and Ros-Franch et al. (2014).

It was assigned to Cardium by McCoy (1877) and Gabb (1881); to Veneroida by Sepkoski (2002); to Protocardiinae by Vokes (1980), Vokes (1980), Schneider (1995) and Bouchet et al. (2010); and to Cardiidae by Ronchetti (1970), Scholz et al. (2008) and Ros-Franch et al. (2014).

View classification of included taxa

Synonymy list
YearName and author
1845Protocardium Beyrich
1877Cardium (Protocardium) McCoy p. 16
1881Cardium (Protocardia) Gabb p. 344
1970Protocardia Ronchetti p. 61
1980Protocardia Vokes p. 129
1980Protocardium Vokes p. 129
1995Protocardia Schneider p. 339
2002Protocardium Sepkoski, Jr.
2008Cardium (Protocardia) Scholz et al.
2010Protocardia Bouchet et al.
2014Protocardia Ros-Franch et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
CardiomorphiFerussac 1822
RankNameAuthor
CardioniFerussac 1822
CardiidiaFerussac 1822
CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
CardioideiFerussac 1822
superfamilyCardioidea(Lamarck 1809)
familyCardiidaeLamarck 1809
subfamilyProtocardiinaeReuss 1846
genusProtocardia(Beyrich 1845)

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