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Techniques for Collectors
The structure of its shoulders and hip joints suggest that Lystrosaurus moved with a semi-sprawling gait
The term "dinosaur" is restricted to just those reptiles descended from the last common ancestor of the groups Saurischia and Ornithischia (clade Dinosauria
placing them directly in the human evolutionary tree
The ribs on the shell show a fimbriation (a fringing of the ribs that lends to its characteristic shell pattern)
Pterodactylus kochi, specimen #7 Ankylosaurus Techniques for CollectorsPterodactylus is a Pterosaur characterized by a long, thin head, small body, fairly long legs and a very wide wingspan. Pterodactylus kochi is a small Pterosaur with a wingspan of only about 18 inches. It was a toothed flying reptile with very short teeth located only on the front part of the jaws; it probably fed on small fish and insects. At least 27 specimens have been found primarily in the Solnhofen limestone of Bavaria, Germany, dated to the