Location: 34°26’20.0″N 119°05’01.4″W
Fossil: Turritella Snail Shells, Oyster Drill Snail Shells, and Fossil Bivalves from Santa Paula Creek flood plain downstream from “Punchbowls” waterfalls. – I was told the Bivalves could be any of or a mix of Cucullaea, Glycymeris, and Glycymerita. – Unknown Eras.
Submitted: May 31, 2019
Submitted: January 11, 2020
Fossil: Turritella Snails and Bivalves in Chivo Canyon creek bed. – Eocene Era
Location: 34°18’13.3″N 118°41’33.5″W
Fossil: Limestone with compressed shell bed fossils falling out of cliffs.
Location: 34°36’55.1″N 119°19’43.6″W
Submitted: April 26, 2020
Submitted: April 4, 2019
Fossils: Brachiopods (Discinisca C. D. Lamllose), unknown Nacitid Gastropod, and Scallop called Paci-Pectin Discus.
Location: Monterey Formation on Arroyo Seco Road – Miocene Era
Location: Matilija Creek Bed
Submitted: April 29, 2020
Fossil: Calamite Horsetail Plant in Sandstone in Matilija Creek Bed. Possible fossil “driftwood” since this area was a marine area at the time.
Location: 34°13’38.9″N 119°15’44.3″W
Submitted: May 15, 2020.
Fossil: “Weathered gastropod found in cobble pile”
More information on this find can be found at Surfer’s Knoll.
Directions:
From Arcata, North on Hwy. 101, take the Trinidad exit.
Geology of the Area:
Around 500,000 years ago (Pleistocene Epoch), this area was an intertidal zone with tidepools and serge channels.
Paleontology of the Area:
“trace fossils”, which are hundreds of holes made by pholads or boring clams, along with mussels, dogwinkles and worm tubes.
Other Fossil Sites Nearby:
Scotia Bluffs: link
Centerville Beach: link
All information cited from:
“5 Top Fossil Sites Around Humboldt Bay”, https://www.theredwoodriverwalk.com/blog/2020/09/5-top-fossil-sites-around-humboldt-bay-ca.htm
Summary: Small beach with a wide array of mineralized aquatic fossils. Be careful as it is a dangerous area as well with lots of erosion.
Resource 1: link here
Access by: You can access Yuha Basin at the Dunaway Road Exit, (Dunaway Staging Area for Limited Use Off-Highway Vehicle (OHV) Recreation), about 10 miles west of El Centro, California.
Fossils: Oyster shells.
Resource 2:
Fossils: Scallops and Oysters.
California Fossil Sites 