Museum Grade Starfish Fossils from California

Astropecten matilijaensis

Phylum Echinodermata, Class Asteroidea (starfish or seastars)

Geological Time: Upper Eocene

Size: Each starfish measures about 75 mm

Fossil Site: Cozy Dell Formation, Upper Sespe Creek, Ventura County, California

This is a truly exquisite fossil seastar plate from the famous Cozy Dell Formation, not too far inland in Ventura County California. The plate contains five complete and one near complete specimen, all superbly preserved. You will look for a long time to find a comparable fossil from this interesting Eocene site.

Generally, starfish are relatively uncommon in the fossil record owing to the fragility of the creature’s body. Starfish are already difficult to find at Cozy Dell, and specimens with this state of detailed preservation are indeed rare.

click fossil pictures to enlarge



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