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Taxonomy
Ethmocardium was named by White (1880) [Sepkoski's age data: K Camp-l K Maes]. It is not extant.
It was reranked as Cardium (Ethmocardium) by Russell and Landes (1937); it was reranked as Granocardium (Ethmocardium) by Speden (1970).
It was assigned to Cardium by Russell and Landes (1937); to Granocardium by Speden (1970); to Cardiinae by Vokes (1980); and to Veneroida by Sepkoski (2002).
It was reranked as Cardium (Ethmocardium) by Russell and Landes (1937); it was reranked as Granocardium (Ethmocardium) by Speden (1970).
It was assigned to Cardium by Russell and Landes (1937); to Granocardium by Speden (1970); to Cardiinae by Vokes (1980); and to Veneroida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1880 | Ethmocardium White |
| 1937 | Cardium (Ethmocardium) Russell and Landes p. 156 |
| 1970 | Granocardium (Ethmocardium) Speden p. 115 |
| 1980 | Ethmocardium Vokes p. 126 |
| 2002 | Ethmocardium Sepkoski |
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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. †Ethmocardium White 1880
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†Cardium (Ethmocardium) ursaniense Russell and Landes 1937
†Granocardium (Ethmocardium) whitei Dall 1900
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Todd 2001 | |||||
Age range: base of the Early/Lower Campanian to the top of the Early/Lower Maastrichtian or 83.60000 to 66.00000 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian | Canada (Alberta) | Cardium ursaniense (82650 82654 82668 82670 82677 82678) | |
| Late/Upper Campanian | Mexico (Coahuila) | E. sp. (79607) | |
| Late/Upper Campanian | USA (Texas) | E. welleri (7472 7481 7482 7499 7500 7504 7507 7510) | |
| Middle Campanian | USA (Texas) | E. welleri (7466 7467 7468 7469 7470) | |
| Early/Lower Maastrichtian | USA (Alabama) | Granocardium sp. (4242) | |
| Late/Upper Maastrichtian | USA (South Dakota) | Granocardium whitei (88511) | |
| Maastrichtian | USA (South Dakota) | E. welleri (1320) | |
| Maastrichtian | USA (Texas) | E. welleri (1296 1392 1393 7480 7494 7495 7550 7564) | |
| Maastrichtian | Mexico | E. welleri (1356) | |
| Maastrichtian | USA (North Dakota) | E. whitei (1339) | |
| Maastrichtian | New Zealand | E. woodsi (1341) |