Sheffield Formation
1 distinct taxa, from 1 fossil occurrences the Paleobiology Database records under this name, spanning 372–359 Mya.
Iowa · US
1 taxa · 1 fossils · 372–359 MyaFiled under the Yellow Springs Group.
Macrostrat places this rock in the Yellow Spring Group, and dates it 372–363 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.