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Taxonomy
Trigoniocardia (Americardia) was named by Stewart (1930). It is extant. Its type is Cardium medium.
It was Cardium (Americardia) by Hertlein and Strong (1947); it was reranked as Americardia by Sepkoski (2002), Moore (2003) and Rosenberg (2005).
It was assigned to Cardium by Hertlein and Strong (1947); to Trigoniocardia by Palmer and Brann (1965) and Dockery (1982); to Veneroida by Sepkoski (2002); to Fraginae by Moore (2003) and Rosenberg (2005); and to Cardiidae by Powell (2008).
It was Cardium (Americardia) by Hertlein and Strong (1947); it was reranked as Americardia by Sepkoski (2002), Moore (2003) and Rosenberg (2005).
It was assigned to Cardium by Hertlein and Strong (1947); to Trigoniocardia by Palmer and Brann (1965) and Dockery (1982); to Veneroida by Sepkoski (2002); to Fraginae by Moore (2003) and Rosenberg (2005); and to Cardiidae by Powell (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Trigoniocardia (Americardia) Stewart pp. 267 - 268 |
| 1947 | Cardium (Americardia) Hertlein and Strong |
| 1965 | Trigoniocardia (Americardia) Palmer and Brann p. 318 |
| 1982 | Trigoniocardia (Americardia) Dockery p. 72 |
| 2002 | Americardia Sepkoski |
| 2003 | Americardia Moore |
| 2005 | Americardia Rosenberg p. 642 |
| 2008 | Americardium Powell |
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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.
G. Americardia Stewart 1930
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†Americardia burnsii Dall 1900
Americardia columbella Lee and Huber 2012
Americardia guanacastense Hertlein and Strong 1947
Americardia guppyi Thiele 1910
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Invalid names: Cardium (Fragum) elattocostatum Woodring 1925 [synonym]
Americardia lightbourni Lee and Huber 2012
†Trigoniocardia (Americardia) avona Richards 1953
†Trigoniocardia (Americardia) protoaliculum Richards 1953
†Trigoniocardia (Americardia) silvacollina Dockery 1982
Diagnosis
No diagnoses are available