Belden Shale
21 distinct taxa, from 21 fossil occurrences the Paleobiology Database records under this name, spanning 323–319 Mya.
Colorado · US
21 taxa · 21 fossils · 323–319 MyaMacrostrat dates this rock 323–312 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.
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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.