Pteranodon
Pteranodon (; from Greek πτερόν ( pteron, "wing") and ἀνόδων (anodon, "toothless") is a genus of pterosaur that included some of the largest known flying reptiles, with wingspans over 8 meters (26 feet). They lived during the late Cretaceous geological period of North America in present-day Kansas, Alabama, Nebraska, Wyoming, and South Dakota. More fossil specimens of "Pteranodon" have been found than any other pterosaur, with about 1,200 specimens known to science, many of them well preserved with nearly complete skulls and articulated skeletons. It was an important part of the animal community in the Western Interior Seaway.
Patagosaurus
"Patagosaurus" is a sauropod that possessed a general and unspecialized bauplan of being quadrupedal, having an elongate neck, a small head, and a very long tail. Therefore, it is similar to "Cetiosaurus" and other related genera, who possessed the same morphology. It has been estimated that it was about long and weighed about . An earlier estimate by John S. McIntosh and his colleagues in 1997, found that "Patagosaurus" was approximately long, and also in weight, similar to the later estimates by Holtz. A 2006 study by Donald M. Henderson calculated the weight of "Patagosaurus" to be , a smaller estimate than McIntosh's.