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Biomechanics in Teeth of Predatory Dinosaurs


Troodon

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Theropod dinosaur teeth are usually ziphodont, but the morphology of the denticles varies between species and clades. Gorgosaurus (a tyrannosaurid) and Dromaeosaurus (a dromaeosaurid) both have rectangular denticles despite differences in body size and shape and tooth size. Saurornitholestes (a dromaeosaurid) has pointed denticles that, over time, can wear down to resemble those of Dromaeosaurus. Troodontids (like Troodon) have unique hooked denticles that differ significantly from those of dromaeosaurids.  Paper looks at the biomechanics of these different morphologies, not for everyone but interesting.

 

https://www.cell.com/current-biology/fulltext/S0960-9822(18)30371-3

 

 

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Thanks for this this is super useful when analysing the serration shapes through a magnifying glass or magnification lense!

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