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Pteranodon (/ t ə ˈ r æ n ə d ɒ n /; from Ancient Greek: πτερόν, romanized: pteron ' wing ' and ἀνόδων, anodon ' toothless ') [2] [better source needed] is a genus of pterosaur that included some of the largest known flying reptiles, with P. longiceps having a wingspan of over 6 m (20 ft).
Alexander Kellner, for example, named several additional species for specimens previously classified as Pteranodon, and placed P. sternbergi in a distinct genus, Geosternbergia. Kellner re-defined Pteranodontidae as the most recent common ancestor of Pteranodon longiceps , Geosternbergia sternbergi and Dawndraco kanzai , and all of its descendants.
The fossils of the animal looked similar to those of the species Pteranodon longiceps, but the crests were set upright and in a slightly different position. In 1958, Sternberg and paleontologist Myrl V. Walker published a study about this peculiar find. [1]
He also criticized the length of Pteranodon's crest in Marsh's 1884 reconstruction of the specimen YPM 1177 as being too speculative given the quality of its preservation. [67] Williston speculated that Pteranodon-like fossils would be one day discovered in Europe, and that in this case Pteranodon was probably a junior synonym of Ornithostoma. [68]
The name "Wyomingopteryx" appears in a painting of Morrison prehistoric animals by Robert Bakker. However, this binomen is a nomen nudum , and it is possible that Bakker may have intended to coin "Wyomingopteryx" for the Istiodactylus -like specimen TATE 5999 because that specimen is found in Wyoming.
The animals depicted in fiction and pop culture frequently represent either the Pteranodon or (non-pterodactyloid) Rhamphorhynchus, or a fictionalized hybrid of the two. [214] Many children's toys and cartoons feature "pterodactyls" with Pteranodon-like crests and long, Rhamphorhynchus-like tails and teeth, a combination that never existed in ...
Pteranodon [40] P. longiceps [40] Smoky Hill Chalk [40] 86–84.5 Ma ago [37] A large and very abundant pteranodontid ornithocheiroid. Geosternbergia [41] G. sternbergi: Smoky Hill Chalk 86–84.5 Ma ago A species of Pterosaur that is regarded by a few Paleontologists to be a species of Pteranodon, though most regard it as a distinct species.
Pterosaurs included the largest flying animals ever to have lived. They are a clade of prehistoric archosaurian reptiles closely related to dinosaurs.Species among pterosaurs occupied several types of environments, which ranged from aquatic to forested.