4 Free Artworks of Plesiosauria Vertebrae

the osteology of the reptilessamuel wendell williston
Atlas, axis, and ribs (from various groups of reptiles), Samuel Wendell Williston, 1925
trinacromerum fossil illustrationsthe osteology of the reptiles
Plesiosaurus constrictus, James Erxleben, 1850
elasmosauridae fossilsjames erxleben
Plesiosaur vertebrae: Polycotylus, Samuel Wendell Williston, 1925
the osteology of the reptilespolycotylus fossils
Crymocetus, George Johann Scharf, 1850
george johann scharfcrymocetus
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