Tyrannosaurus: Why There Is Only One… For Now.

Earlier this year, a little paper came out in March 2022 that kind of threw the vertebrate paleontology community (specifically the theropod dinosaur community) into a bit of a tizzy: “The Tyrant Lizard King, Queen and Emperor: Multiple Lines of Morphological and Stratigraphic Evidence Support Subtle Evolution and Probable Speciation Within the North American Genus Tyrannosaurus” …

Nanotyrannus: The Fossil That Was… and Then Wasn’t . (Or How Scientists Tell a Story and Reach a Consensus).

Why all the fuss about Nanotyrannus? How does our changing understanding of this enigmatic dinosaur reflect the process of science?

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