Siesta Formation

30 distinct taxa, from 39 fossil occurrences the Paleobiology Database records under this name, spanning 23–2.6 Mya.

California · US

30 taxa · 39 fossils · 23–2.6 Mya

Members recorded: Lower Mulholland.

Macrostrat places this rock in the Contra Costa Group, and dates it 10–8.7 Ma. Macrostrat’s own record

Siesta Formation — 37.89°N, 122.23°WSiesta Formation — 37.85°N, 122.11°WSiesta Formation — 37.87°N, 122.12°W

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3 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

Counts are of occurrence records, which measure the rock and the fieldwork together.