Lamar River Formation

25 distinct taxa, from 28 fossil occurrences the Paleobiology Database records under this name, spanning 48–38 Mya.

Wyoming · US

25 taxa · 28 fossils · 48–38 Mya

Macrostrat places this rock in the Washburn Group, in the Absaroka Volcanic Supergroup, and dates it 51–42 Ma. Macrostrat’s own record

Lamar River Formation — 44.00°N, 110.00°W

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1 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.

When

What has been found

Counts are of occurrence records, which measure the rock and the fieldwork together.