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Fossil Find Reveals Purgatorius' Southern Range, Origins

3/4/2026

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Summary

Story summary

A fossil discovery in Colorado extends the known range of Purgatorius further south than Montana and Canada finds.
The fossils date to about 66 million years ago and show Purgatorius lived with dinosaurs.
A peer-reviewed study suggests early primates originated in the north and spread south after the mass extinction.
National Science Foundation funded the work with a $3 million grant to encourage more fossil searches.

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Story summary

A fossil discovery in Colorado extends the known range of Purgatorius further south than Montana and Canada finds.
The fossils date to about 66 million years ago and show Purgatorius lived with dinosaurs.
A peer-reviewed study suggests early primates originated in the north and spread south after the mass extinction.
National Science Foundation funded the work with a $3 million grant to encourage more fossil searches.