Robertson Formation
26 distinct taxa, from 28 fossil occurrences the Paleobiology Database records under this name, spanning 201–175 Mya.
Oregon · US
26 taxa · 28 fossils · 201–175 MyaFiled under the Mowich Group.
Macrostrat places this rock in the Mowich Group, and dates it 193–187 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.
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.