Shirgesht Formation
19 distinct taxa, from 31 fossil occurrences the Paleobiology Database records under this name, spanning 487–458 Mya.
Recorded under country code IR
19 taxa · 31 fossils · 487–458 MyaMembers recorded: Second, Middle Carbonate, B5, Lower Shale.
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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.