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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Calamagras primus was named by Hecht (1959). Its type specimen is AMNH 3828 (nearly complete anterior mid-thoracic vertebra) and is a 3D body fossil. Its type locality is Hyopsodus Hill, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Calamagras primus Hecht |
| 1984 | Calamagras primus Rage p. 24 |
| 2000 | Calamagras primus Zonneveld et al. |
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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.
†Calamagras primus Hecht 1959
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, superf = superfamily, subp = subphylum, p = phylum | |||||
| References: Greene 1997, Carroll 1988, Kiessling 2004, Behler and King 1979 | |||||
Age range: base of the Wasatchian to the top of the Bridgerian or 54.90000 to 46.20000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wasatchian | USA (New Mexico) | Calamagras primus (186898) | |
| Bridgerian | USA (Wyoming) | Calamagras primus (15837 type locality: 16244 16273) |