Twenty-two fossil specimens of the ground sloth Megalonyx jeffersonii collected from 10 localities in the Old Crow Basin, Yukon. The specimens are relatively small, suggesting a geological age earlier than Wisconsinan, likely Sangamonian. The dataset is provided by the Government of Yukon.
Use Cases
- Analyze morphological features of Megalonyx jeffersonii based on distinctive upper and lower caniniform teeth.
- Study the paleogeographic distribution of North American megafauna based on specimens from Alaska, Yukon, and Northwest Territories.
- Investigate correlations between specimen size and geological age based on the Sangamonian warm phase inference.
- Map fossil specimen localities within the Old Crow Basin for spatial analysis.
Strengths
- 22 specimens collected from 10 distinct localities.
- Specimens are identified as Megalonyx jeffersonii based on distinctive dental morphology.
- Data is associated with a specific geological inference (likely Sangamonian).
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data may reflect geographic bias inherent to the Old Crow Basin collection area.
Provenance
- Source
- Government of Yukon
- Time Range
- Pleistocene, likely Sangamonian
- Freshness
- Last updated 2026-04-17 16:02:57.649524; freshness should be verified.
- Geography
- Old Crow Basin, Yukon, Canada; also references Alaska and Northwest Territories