31. "Pteranodon sternbergi " is the only known species of " Pteranodon " with an upright crest. 32. "Pteranodon sternbergi " is the only known species of " Pteranodon " with an upright crest. 33. "Pteranodon longiceps " would have shared the sky with the giant-crested pterosaur " Nyctosaurus ". 34. They match the photo with a drawing of a Pteranodon , an ancient reptile thought to be extinct millions of years earlier. 35. Shigeru confirms that the creature he saw did indeed resemble a pteranodon , and that it had eaten all of the Meganulon. 36. Samuel Wendell Williston in 1893 independently also considered " Ornithostoma " a synonym of " Pteranodon ingens ". 37. Williston published a redescription of the skull of Pteranodon based on a more recently discovered and better preserved specimen, KUVP 2212. 38. Nonetheless, " Pteranodon " are frequently featured in dinosaur media and are strongly associated with dinosaurs by the general public. 39. Although the evidence seems to point to the Pteranodon as the culprit, the theory is dismissed as being too far-fetched. 40. Williston also found a coprolite containing tiny, indeterminate bone fragments preserved in one " Pteranodon "'s pelvic area.
