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Taxonomy
Oreosaurus gracilis was named by Marsh (1872). Its type specimen is USNM 16529, an osteoderm (four keeled, elongated osteoscutes), and it is a 3D body fossil. Its type locality is Henry's Fork, which is in an Eocene terrestrial horizon in the Bridger Formation of Wyoming.
It was recombined as Xestops gracilis by Marsh (1872), Hay (1902) and Hay (1930); it was considered a nomen dubium by Meszoely (1970).
It was recombined as Xestops gracilis by Marsh (1872), Hay (1902) and Hay (1930); it was considered a nomen dubium by Meszoely (1970).
Synonymy list
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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.
†Oreosaurus gracilis Marsh 1872
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subf = subfamily, f = family, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Head 2005, Behler and King 1979, Carroll 1988 | |||||
Age range: Middle Eocene or 47.80000 to 37.71000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Eocene | USA (Wyoming) | Oreosaurus gracilis (type locality: 81455) |