Details on Finding Oyster Fossils: here
Geologic Period: Pleistocene Period, around 83-49 ka
More on the geology and vertebrate fossils found in the area: (scientific paper)
Category: San Luis Obispo
Finding Fossils at Shell Creek
Geology of the Area:
The area contains Cenezoic marine strata, which is part of the Temblor Formation.
The Fossils:
In the cliffside just off the road are clams, sand dollars, and Oysters, likely dating to the Miocene or Pliocene epoch.
