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Trigoniocardia

Bivalvia - Cardiida - Cardiidae

Taxonomy
Trigoniocardia was named by Dall (1900) [Sepkoski's age data: T Ol-u R]. It is extant.

It was reranked as Corculum (Trigoniocardia) by Oinomikado (1939); it was reranked as Cardium (Trigoniocardia) by Pilsbry and Olsson (1941); it was reranked as Fragum (Trigoniocardia) by Clark and Durham (1946); it was reranked as Cardium (Trigoniocardium) by Richards (1953).

It was assigned to Corculum by Oinomikado (1939); to Fragum by Clark and Durham (1946); to Cardium by Pilsbry and Olsson (1941) and Richards (1953); to Fraginae by Vokes (1980) and Dockery (1982); and to Veneroida by Sepkoski (2002).

Synonymy list
YearName and author
1900Trigoniocardia Dall
1939Corculum (Trigoniocardia) Oinomikado p. 628
1941Cardium (Trigoniocardia) Pilsbry and Olsson p. 9
1946Fragum (Trigoniocardia) Clark and Durham p. 62
1953Cardium (Trigoniocardium) Richards p. 52
1980Trigoniocardia Vokes p. 128
1982Trigoniocardia Dockery p. 72
2002Trigoniocardia Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
RankNameAuthor
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—CardioideiFerussac 1822
superfamilyCardioidea(Lamarck 1809)
familyCardiidaeLamarck 1809
—Neocardiids
—EucardiidsSchneider 1995
subfamilyFraginaeStewart 1930
genusTrigoniocardiaDall 1900

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.

G. Trigoniocardia Dall 1900
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†Cardium (Trigoniocardia) ballenium Pilsbry and Olsson 1941
†Cardium (Trigoniocardia) cabopasadum Pilsbry and Olsson 1941
Subg. Trigoniocardia (Apiocardia) Olsson 1961
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Apiocardia obovale Sowerby 1833
†Apiocardia spiekeri Hanna and Israelsky 1925
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Invalid names: Trigoniocardia caboblanquensis Weisbord 1964 [synonym]
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Invalid names: Cardium (Fragum) apatetica Dall 1900 [synonym]
Trigoniocardia (Apiocardia) subovalis Broderip and Sowerby 1829
Trigoniocardia graniferum Broderip and Sowerby 1829
†Trigoniocardia heredia Olsson 1922
Diagnosis
No diagnoses are available