McCann Hill Chert
17 distinct taxa, from 20 fossil occurrences the Paleobiology Database records under this name, spanning 413–393 Mya.
Alaska · US
17 taxa · 20 fossils · 413–393 MyaMacrostrat dates this rock 398–360 Ma. Macrostrat’s own record
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2 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.