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Taxonomy
Cardium schencki was named by Wiedey (1928). Its type specimen is USNM 165598, a valve, and it is a 3D body fossil.
It was recombined as Trachycardium schencki by Dickinson and Lowe (1966); it was recombined as Trachycardium (Trachycardium) schencki by Moore (2003).
It was recombined as Trachycardium schencki by Dickinson and Lowe (1966); it was recombined as Trachycardium (Trachycardium) schencki by Moore (2003).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Cardium schencki Wiedey pp. 143-144 figs. pl. 17, figs. 3, 4 |
| 1966 | Trachycardium schencki Dickinson and Lowe |
| 2003 | Trachycardium (Trachycardium) schencki Moore |
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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.
†Trachycardium (Trachycardium) schencki Wiedey 1928
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Sanchez Roig 1926, Todd 2001, Aberhan et al. 2004 | |||||
Age range: base of the Middle Miocene to the top of the Late/Upper Miocene or 15.97000 to 5.33300 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Miocene | USA (California) | Cardium schencki (220064) | |
| Late/Upper Miocene | USA (California) | Trachycardium schencki (94813) |