12 166 Gratis bilder av Fossil

Nyctosaurus (Pterosauria), skeleton, Samuel Wendell Williston, 1925
Walcott Cambrian Geology and Paleontology II plate 04
PSM V32 D811 Genuine alga from the silurian Buthotrephis grantii
Theromorph vertebrae: Dimetrodon and Sphenacodon, Samuel Wendell Williston, 1925
Pectoral girdle (in part) and front paddles of Elasmosaurus (Plesiosauria), Samuel Wendell Williston, 1925
Limbs of Varanops and Casea, Samuel Wendell Williston, 1925
Dimetrodon occipital complex; Eryops and Cacops sections through parasphenoidal rostrum, Samuel Wendell Williston, 1925
Dolichosaurus
Fossils, Fig. 1-4 LCCN2003656254
Polyptychodon
Palaeontographica 04 T02
Streptospondylus major
Toxodon-Schaedel, 1838
Anterior dorsal and cervical vertebrae, Samuel Wendell Williston, 1925
Rhamphorhynchus (Pterosauria), skeleton, Samuel Wendell Williston, 1925
Thaumatosaurus (Plesiosauria), skeleton, Samuel Wendell Williston, 1925
Pterodactylus (Pterosauria), skeleton from side, Samuel Wendell Williston, 1925
Pectoral girdle of Trinacromerum (Plesiosauria), from above, Samuel Wendell Williston, 1925
Megalosaurus fossils, James Erxleben, 1800s
Goniopholis simus skull
Origin of Vertebrates Fig 011
Fric fossil fish
Plesiosaur skulls: Elasmosaurus, Plesiosaurus, and Trinacromerum, all from side, Samuel Wendell Williston, 1925
Dimetrodon incivus Cope. mandible; Labidosaurus hamatus Cope. mandible, Samuel Wendell Williston, 1925
Sauropterygian skulls: Peloneustes, Plesiosaurus, Muraenosaurus, Samuel Wendell Williston, 1925
Cetiosaurus brevis
Plesiosaurus constrictus
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