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Bivalvia - Cardiida - Cardiidae

Trachycardium was named by Mörch (1853) [Sepkoski's age data: T Than R Sepkoski's reference number: 705]. It is extant.

It was reranked as Cardium (Trachycardium) by Aldrich (1911), Vredenburg (1928), Loel and Corey (1932), Mukerjee (1939) and Pilsbry and Olsson (1941); it was reranked as Laevicardium (Trachycardium) by Grant and Gale (1931).

It was assigned to Laevicardium by Grant and Gale (1931); to Cardium by Aldrich (1911), Vredenburg (1928), Loel and Corey (1932), Mukerjee (1939) and Pilsbry and Olsson (1941); to Cardiidae by Marasti (1973) and Frassinetti and Covacevich (1999); to Trachycardiinae by Olsson (1967), da Silva Forti (1969), Iqbal (1973), Vokes (1980), Woodring (1982), Dockery (1982) and Coan et al. (2000); and to Veneroida by Sepkoski (2002).

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Synonymy list
YearName and author
1853Trachycardium Mörch
1911Cardium (Trachycardium) Aldrich p. 1
1928Cardium (Trachycardium) Vredenburg p. 445
1931Laevicardium (Trachycardium) Grant and Gale
1932Cardium (Trachycardium) Loel and Corey
1939Cardium (Trachycardium) Mukerjee p. 15
1941Cardium (Trachycardium) Pilsbry and Olsson p. 9
1967Trachycardium Olsson p. 10
1969Trachycardium da Silva Forti p. 81
1973Trachycardium Iqbal p. 18
1973Trachycardium Marasti p. 107
1980Trachycardium Vokes p. 127
1982Trachycardium Dockery p. 70
1982Trachycardium Woodring p. 636
1999Trachycardium Frassinetti and Covacevich p. 28
2000Trachycardium Coan et al. p. 361
2002Trachycardium Sepkoski, Jr.

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EubilateriaAx 1987
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Cox 1960)
CardiomorphiFerussac 1822
CardioniFerussac 1822
CardiidiaFerussac 1822
CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
CardioideiFerussac 1822
superfamilyCardioidea(Lamarck 1809)
familyCardiidaeLamarck 1809
subfamilyTrachycardiinaeStewart 1930
genusTrachycardiumMörch 1853

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