Icthyosaurs and plesiosaurs are both known from Triassic strata. Crinoids were common then, but their history spans more than just the Triassic. Coelophysis appeared in the middle of the Triassic. Phytosaurs and aetosaurs did not survive past the end of the Triassic. Lystrosaurus was a Triassic dicynodont, about the size of a sheep, which has been found on every continent (including Antarctica).
Podocarps and other gymnosperms (plants) survived beyond the Triassic period.
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