Paleo Profile: Lepidus praecisio

Relatively little of Lepidus has been found. But, compared to other dinosaur fossils that are little more than a piece of limb bone, it’s one of the best specimens to come out from its particular place and time. Dinosaurs are rarely found in this part of the Triassic in Texas, and Lepidus establishes that a particular subset of the “beast footed” dinosaurs – the neotheropods – were present in the Triassic tropics of North America before 223 million years ago. They were part of a meek dinosaurian community that mixed the archaic and the novel – older forms that more closely resembled some of the earliest dinosaurs as well as derived animals that better fit the sleek and slender profile

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