Hank Sharpeさんのイラストまとめ

Thought experiment: a mountain-adapted hadrosaur scaling near-vertical cliffs like modern goats and sheep disturbs a nesting pterosaur

banana horse

Histology continues on ze big Edmontosaurus cheekbone #FossilFriday

Gigantoraptor

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!

In bipedal animals, one femur has to support the entire weight of the animal during locomotion. Because of that, the width of the femur can predict the animal's mass.
This was extended to bipedal dinos in Campione et al. 2014 (great paper btw, link: https://t.co/9WygG7XuF4)

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).

spinosaurinae indet. (FSAC-KK 11888)
1-hour warmup sketch

A Triceratops disturbs a a softshell turtle, a eutherian (left), and a Didelphodon (right) while monching cycads

Painted for García-Girón et al. 2022

I then posed 2 virtual Zuuls to see how they may have fought. Amazingly, there was only one position that allowed them to mutually strike each other with the same injury patterns seen on the fossil!

I rendered 3 different compositions based on this, and sent them to the authors