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Taxonomy
Cardium (Trachycardium) thalassium was named by Maury (1925). Its type locality is Rio Pirabas (Maury coll.), which is in a Miocene shallow subtidal limestone/limestone in the Pirabas Formation of Brazil.
It was recombined as Agnocardia thalassium by Schneider (2002).
It was recombined as Agnocardia thalassium by Schneider (2002).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Cardium (Trachycardium) thalassium Maury |
| 2002 | Agnocardia thalassium Schneider p. 358 figs. Table 8 |
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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.
†Agnocardia thalassium Maury 1925
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Todd 2001, Sanchez Roig 1926, Aberhan et al. 2004 | |||||
Age range: Early/Lower Miocene or 23.04000 to 15.98000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Miocene | Brazil (Para) | Cardium thalassium (type locality: 60979) |