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A more approachable description would be that a dinosaur is any one of the,
usually large, land-living reptiles that were so abundant during the Mesozoic era;
that era of geological time encompassing the Triassic, Jurassic and Cretaceous ...
The prosauropods died out at the end of the Triassic, but their descendants - the
heavy long-necked plant-eating saurischians, or 'sauropods', became abundant
in the Jurassic period, but only existed in the late Cretaceous period in places ...
During the Triassic and early Jurassic periods there was only one zoogeographic
realm. The land areas of the world were united as part of the supercontinent of
Pangaea and the same assemblage of animals was found everywhere.
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The new dinosaurs: an alternative evolutionUser Review - Not Available - Book Verdict
Many sf writers have created worlds where dinosaurs still walk the earth, but Dixon's new book pursues the premise in the most realistic way yet. In After Man: A Zoology of the Future (LJ 10/15/81 ... Read full review
the new tree of life
the new dinosaurs
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