Happy Deinonychus Day! UAlberta student @MarkPowersJ’s thesis outlined a new, short-snouted skull shape for Deinonychus - turns out what was thought to be part of the maxilla was actually the premaxilla!
Think Spinosaurus' legs look kinda wimpy for its size? They are. Let's dive in (pun intended) to why the current model of Spinosaurus as a bipedal fisher might be taking on water (look at these puns, holy ass).
Here's a little anatomical dive into the art I produced for Wang et al. (2023)'s paper on uncinate processes in tyrannosaurs: This paper doesn't change much in terms of muscle recons of dinosaurs, besides adding one muscle: the mm. appendicocostales
T. rex breathed like a bird! New research out by Yan-yin Wang et al. found evidence of uncinate processes in most dinosaur clades. I was commissioned to show this condition in a pair of snuggling albertosaurs