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Taxonomy
Microcardium was named by Thiele (1934) [Sepkoski's age data: T Eo-u R Sepkoski's reference number: 1112]. It is extant. Its type is Cardium (Fulvia) peramabilis.
It was reranked as Nemocardium (Microcardium) by Vokes (1989) and Schneider (1995).
It was assigned to Nemocardium by Vokes (1989) and Schneider (1995); to Veneroida by Sepkoski (2002); and to Protocardiinae by Vokes (1980), Woodring (1982) and Poutiers (2006).
It was reranked as Nemocardium (Microcardium) by Vokes (1989) and Schneider (1995).
It was assigned to Nemocardium by Vokes (1989) and Schneider (1995); to Veneroida by Sepkoski (2002); and to Protocardiinae by Vokes (1980), Woodring (1982) and Poutiers (2006).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Microcardium Thiele p. 878 |
| 1977 | Decussicardium Fischer-Piette |
| 1980 | Microcardium Vokes p. 129 |
| 1982 | Microcardium Woodring p. 645 |
| 1989 | Nemocardium (Microcardium) Vokes p. 124 |
| 1995 | Nemocardium (Microcardium) Schneider p. 339 |
| 2002 | Microcardium Sepkoski |
| 2002 | Tobarum Sepkoski |
| 2006 | Microcardium Poutiers p. 643 |
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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. Microcardium Thiele 1934
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Microcardium aequiliratum Poutiers 1981
†Microcardium jamaicense Dall 1903
†Microcardium microtatum Woodring 1982
Microcardium pazianum Dall 1916
†Microcardium peramabile Dall 1881
†Microcardium pollostum Woodring 1982
Microcardium sakuraii Habe 1961
Microcardium tenuilamellosum Poutiers 1981
Microcardium tinctum Dall 1881
Microcardium trapezoidale Poutiers 2006
Microcardium velatum Ter Poorten and Poutiers 2009
†Nemocardium (Microcardium) islahispaniolae Maury 1917
Invalid names: Decussicardium Fischer-Piette 1977 [synonym], Tobarum [synonym]
Diagnosis
No diagnoses are available