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Skull and beak of specimen AMNH 7515. Unlike earlier pterosaurs, such as Rhamphorhynchus and Pterodactylus, Pteranodon had toothless beaks, similar to those of birds. Pteranodon beaks were made of solid, bony margins that projected from the base of the jaws. The beaks were long, slender, and ended in thin, sharp points.
Ornithomimids were long-legged, bipedal, ostrich-like dinosaurs with toothless beaks. The type species , Struthiomimus altus , is one of the more common, smaller dinosaurs found in Dinosaur Provincial Park ; their overall abundance—in addition to their toothless beak—suggests that these animals were mainly herbivorous or (more likely ...
Members of the group possessed a horny, typically toothless beak, unique amongst all synapsids. Dicynodonts first appeared in Southern Pangaea during the mid-Permian , ca. 270–260 million years ago, and became globally distributed and the dominant herbivorous animals in the Late Permian , ca. 260–252 Mya.
Ornithomimus was a swift, bipedal dinosaur which fossil evidence indicates was covered in feathers and equipped with a small toothless beak that may indicate an omnivorous diet. It is usually classified into two species: the type species , Ornithomimus velox , and a referred species, Ornithomimus edmontonicus .
When initially described in 1924 Oviraptor itself was thought to be a member of the Ornithomimidae, popularly known as the "ostrich" dinosaurs, because both taxa share toothless beaks. [1] Early caenagnathid oviraptorosaur discoveries like Caenagnathus itself were also incorrectly classified at the time, having been misidentified as birds. [1]
Pteranodon skeleton. A toothless Late Cretaceous pterosaur, it was similar to Pelagornis in size and proportions and possibly in feeding habits.. Unlike the true teeth of Mesozoic stem-birds like Archaeopteryx or Ichthyornis, the pseudoteeth of the pelagornithids do not seem to have had serrated or otherwise specialized cutting edges, and were useful to hold prey for swallowing whole rather ...
Oviraptoridae is a group of bird-like, herbivorous and omnivorous maniraptoran dinosaurs.Oviraptorids are characterized by their toothless, parrot-like beaks and, in some cases, elaborate crests.
Unlike the earlier pterosaurs, such as the rhamphorhynchids and the pterodactylids, P. sternbergi had a toothless beak that was made of solid, bony margins that projected from the base of the jaws, similar to modern-day birds. The structure of the beaks were long, slender, and ended in thin, sharp points.