Johnson Shale

19 distinct taxa, from 23 fossil occurrences the Paleobiology Database records under this name, spanning 277–265 Mya.

Kansas · US

19 taxa · 23 fossils · 277–265 Mya

Filed under the Council Grove Group.

Macrostrat places this rock in the Vanoss Group, and dates it 299–274 Ma. Macrostrat’s own record

Johnson Shale — 37.53°N, 96.48°WJohnson Shale — 37.25°N, 96.53°W

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2 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.