Pteranodon Pteranodon means 'winged and toothless', and it was a Late Cretaceous fish-eating pterosaur. This reptile had an elongated 6ft long head, with a long bony crest protruding rearwards from the skull. Pteranodon remains have been found in Kansas and Wyoming. Various suggestions have been made that the crest was used as a sexual characteristic, a rudder, or as a landing brake. Pteranodon had a 27ft wingspan, and was probably a glider rather than a true flyer.

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