Wills Creek Formation
16 distinct taxa, from 22 fossil occurrences the Paleobiology Database records under this name, spanning 427–420 Mya.
West Virginia, Maryland, Pennsylvania · US
16 taxa · 22 fossils · 427–420 MyaMembers recorded: Landisburg Sandstone.
Macrostrat dates this rock 424–420 Ma. Macrostrat’s own record
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4 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.