Ash Hollow Formation

342 distinct taxa, from 1,062 fossil occurrences the Paleobiology Database records under this name, spanning 16–4.7 Mya.

Nebraska, South Dakota, Wyoming · US

342 taxa · 1,062 fossils · 16–4.7 Mya

Filed under the Ogallala Group. Members recorded: Merritt Dam, Cap Rock, ? Cap Rock.

Macrostrat places this rock in the Ogallala Group, and dates it 12–6.8 Ma. Macrostrat’s own record

Ash Hollow Formation — 42.60°N, 98.00°WAsh Hollow Formation — 42.80°N, 100.80°WAsh Hollow Formation — 42.70°N, 100.87°WAsh Hollow Formation — 42.70°N, 100.00°WAsh Hollow Formation — 42.80°N, 99.70°WAsh Hollow Formation — 41.20°N, 101.80°WAsh Hollow Formation — 42.39°N, 98.10°WAsh Hollow Formation — 40.50°N, 100.50°WAsh Hollow Formation — 43.20°N, 100.70°WAsh Hollow Formation — 41.70°N, 103.10°WAsh Hollow Formation — 43.30°N, 102.50°WAsh Hollow Formation — 41.30°N, 105.10°WAsh Hollow Formation — 41.50°N, 103.80°WAsh Hollow Formation — 41.30°N, 101.89°WAsh Hollow Formation — 43.40°N, 100.60°WAsh Hollow Formation — 41.40°N, 102.40°WAsh Hollow Formation — 42.30°N, 98.00°WAsh Hollow Formation — 41.10°N, 103.00°WAsh Hollow Formation — 42.63°N, 100.05°WAsh Hollow Formation — 42.70°N, 102.50°WAsh Hollow Formation — 43.20°N, 99.80°WAsh Hollow Formation — 41.20°N, 98.80°WAsh Hollow Formation — 42.68°N, 102.68°WAsh Hollow Formation — 42.34°N, 98.24°W

Loading coastlines…

24 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 342.

What else lived thenRank the rock of a period

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