Reposted by Heath Caldwell
A new study by Varricchio and @heathcaldwell.bsky.social describes the pelvic and hindlimb anatomy and growth of a North American troodontid dinosaur. The largely consistent anatomy across growth stages constrains intraspecific variation and suggests low developmental plasticity.
buff.ly/yVpCNB4
plos.io
Pelvic and hindlimb osteology and ontogeny of a troodontid from the upper member of the Two Medicine Formation (Cretaceous) of Montana
Troodontid theropod dinosaurs from the Campanian of western North America have historically been known from fragmentary remains. This limited material has made understanding the biology and taxonomy…