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North meme

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Baby tyrannosaurid bones and teeth from the Late Cretaceous of western North America  Source Gregory F. Funston et al. Baby tyrannosaurid bones and teeth from the Late Cretaceous of western North America, Canadian Journal of Earth Sciences 2021 Artist's impression of juvenile tyrannosaur. Credit Julius Csotonyi The first fossils of tyrannosaur embryos have been found and they have given insight on the early development of the animals. The embryonic dentary belonging to possibly a Daspletosaurus from the Two Medicine Formation of Montana, measuring just 3 cm long, already exhibits distinctive tyrannosaurine characters like al chin and a deep Meckelian groove, and reveals the earliest stages of tooth development. nets Not much was known about the earliest developmental stages of tyrannosaurs
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