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The original specimen was found in a block of mudstone and the pieces were a bit jumbled
the horns of Bison antiquus measured approximately 3 feet
Later about two dozen specimens were formally referred to the species
Coelophysis was first described by Cope in 1889 from the early Triassic from 208-200 MYA years ago
The ones still contain some animal matter
Ctenochasma elegans #4, (Pterodactylus) Pteranodon The original specimen was foundPterodactylus (pronounced ter oh DAK til us) and (meaning "wing finger") was a pterosaur with up to a 2. 5 foot wide wingspan. Its head contained long, narrow jaws and sharp teeth, but it had no head crest on top. It is known to have lived in what is now Tanzania, England, France, and Germany during the late Jurassic period. It was not a dinosaur, but type of extinct, flying reptile that lived during the late Jurassic period. It reproduced by laying
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