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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Leptonysson orthius
Taxonomy
Leptonysson orthius was named by Secord (2008). Its type specimen is YPM-PU 20601, a mandible (Left dentary with p4-m3), and it is a 3D body fossil. Its type locality is Cedar Point Quarry, which is in a Tiffanian fluvial-lacustrine siliciclastic in the Fort Union Formation of Wyoming.
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Leptonysson orthius Secord p. 59 fig. 23 |
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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.
†Leptonysson orthius Secord 2008
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Carroll 1988, Ji et al. 2002, Hendy et al. 2009 | |||||
Age range: base of the Late/Upper Paleocene to the top of the Tiffanian or 58.70000 to 56.80000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tiffanian | USA (Wyoming) | Leptonysson orthius (type locality: 15017) | |
| Late/Upper Paleocene | USA (Wyoming) | Leptonysson orthius (15024) |