2 Free Images of Plesiosaurus Skull Illustrations

the osteology of the reptilesplesiosauria fossil illustrations (20th century)samuel wendell williston
Plesiosaur skulls: Elasmosaurus, Plesiosaurus, and Trinacromerum, all from side, Samuel Wendell Williston, 1925
the osteology of the reptilesstyxosaurus
Sauropterygian skulls: Peloneustes, Plesiosaurus, Muraenosaurus, Samuel Wendell Williston, 1925
the osteology of the reptilespeloneustes skulls
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