Tacket Formation
17 distinct taxa, from 41 fossil occurrences the Paleobiology Database records under this name, spanning 313–306 Mya.
Kansas · US
17 taxa · 41 fossils · 313–306 MyaMacrostrat places this rock in the Pleasanton Group, and dates it 307–299 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.