Researchers report three distinct tanystropheid taxa from the upper Blue Mesa Member of the Chinle Formation in the Petrified Forest National Park in Arizona, including a new genus and species, ...
The Triassic is a geologic period of the Mesozoic Era spanning approximately 252 to 201 million years ago, immediately following the Permian–Triassic mass extinction and preceding the Jurassic. It is ...
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