Introducing Ulughbegsaurus; which if the phylogenetic analysis is correct, is a Turonian age carcharodontosaurid, outside of Carcharodontosauridae proper, and in with the Neovenatorids.

https://t.co/YBj3MUN60j

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First of challenge - Acrocanthosaurus - known for characteristically high neural spines, part of the "shark-tooth" Carcharodontosauridae family. Suggested by

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