Dinosaurs first appearedin the triassic period of time about 230 million years ago. One of the dinosaurs in that period is the Lystrosaurus, whose skeleton is seen here. Before Jurassic World, there was Triassic. en.wikipedia.org/wiki/Triassic
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Triassic Period Lystrosaurus free icon was designed by jonphillips for icons Png and presented to its users.
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2/26/2018