Because well-preserved Pteranodon skull fossils are extremely rare, researchers use stratigraphy i.
Sternberg in 1958 from Gove County.
Systematic Paleontology Order Pterosauria Suborder Pterodactyloidea Superfamily Ornithocheiroidea Family Pteranodontidae Genus Pteranodon Marsh 1876 Type Species Pteranodon longiceps Marsh 1876 During the summer and fall of collected fossils from as far west as Wyoming and Utah.