These bones were located inside plesiosaur flippers, towards the flipper tips. They relate to our finger and toe bones. Fine structural details have been preserved, including pore patterns. 

Plesiosaur

Common Name

Plesiosaur

Scientific Name

Type

Reptiles > Plesiosaurs

Strata

Kimmeridge Clay Formation

Time Period

Upper Jurassic

Age

150 million years

Where Found

Kimmeridge Bay

Found By

J B Delair in 1973

Museum

Dorest County

Accession Number

DCM.G.02656