A crocodylian-style cloaca in a non-avialan dinosaur
P. R. Bell, M. Pittman, T. G. Kaye, C. Hendrickx
This study describes the cloaca of a non-avialan dinosaur, finding it most similar to crocodylians and highlighting the importance of exceptional specimens for understanding dinosaur biology.
bioRxiv · Oct 11, 2020 · PreprintPaleontology