McKay Formation

51 distinct taxa, from 52 fossil occurrences the Paleobiology Database records under this name, spanning 9.4–4.7 Mya.

Oregon · US

51 taxa · 52 fossils · 9.4–4.7 Mya

Macrostrat places this rock in the Dalles Group, and dates it 23–2.6 Ma. Macrostrat’s own record

McKay Formation — 45.50°N, 118.80°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

The 40 most often recorded, of 51.

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