La Laja Formation
13 distinct taxa, from 15 fossil occurrences the Paleobiology Database records under this name, spanning 539–487 Mya.
San Juan · AR
13 taxa · 15 fossils · 539–487 MyaMembers recorded: Soldano, Juan Pobre, Rivadavia.
Macrostrat dates this rock 531–501 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.