Collier Shale

40 distinct taxa, from 176 fossil occurrences the Paleobiology Database records under this name, spanning 497–487 Mya.

Arkansas, Oklahoma · US

40 taxa · 176 fossils · 497–487 Mya

Members recorded: Unit 4.

Macrostrat dates this rock 494–480 Ma. Macrostrat’s own record

Collier Shale — 35.00°N, 93.00°WCollier Shale — 34.67°N, 93.23°WCollier Shale — 34.71°N, 92.98°WCollier Shale — 34.68°N, 93.08°W

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4 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.