Orinda Formation

9 distinct taxa, from 12 fossil occurrences the Paleobiology Database records under this name, spanning 23–5.3 Mya.

California · US

9 taxa · 12 fossils · 23–5.3 Mya

Macrostrat places this rock in the Contra Costa Group, and dates it 12–11 Ma. Macrostrat’s own record

Orinda Formation — 37.90°N, 122.10°WOrinda Formation — 37.80°N, 122.03°WOrinda Formation — 37.87°N, 122.22°WOrinda Formation — 37.83°N, 122.08°WOrinda Formation — 37.94°N, 122.29°W

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5 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.