McKenzie Hill Formation
2 distinct taxa, from 2 fossil occurrences the Paleobiology Database records under this name, spanning 487–477 Mya.
Oaklahoma · US
2 taxa · 2 fossils · 487–477 MyaFiled under the Arbuckle Group. Members recorded: Chapman Ranch.
Macrostrat places this rock in the Arbuckle Group, and dates it 484–480 Ma. Macrostrat’s own record
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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
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.