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The Triassic-Jurassic Essay title: The Triassic-Jurassic The Triassic-Jurassic Boundary Extinction There have been five major extinction events in geologic history. The largest of which was the Permian-Triassic extinction that occurred approximately 251 million years ago. During this extinction, 96% of marine species and 70% of terrestrial vertebrate species went extinct. Other extinction events include the.
Related Essay Topics:
Major Extinction EventsMarine SpeciesPermian-Triassic ExtinctionTriassic-Jurassic