Rock Fossil Devil's Toenail Gryphaea arcuate Oyster Fossil Dorset County England

Description

Rock Fossil Devil's Toenail Gryphaea arcuate Oyster Fossil Dorset County,  England
Gryphaea arcuate fossil oyster, Blue Lias, Lower Jurassic;
Costal Cliffs near Lyme Regis,
far-western Dorset County, Southwest England
Gryphaea, common name devil's toenails, is a genus of extinct oysters, marine
bivalve mollusks
in the family Gryphaeidae. These fossils range from the Triassic period to the middle Paleogene period, but are mostly restricted to the Triassic and Jurassic. They are particularly common in many parts of Britain.