Abstract. Mesozoic ecosystems differed from the present in the abundance of large-bodied herbivores that grew through several feeding envelopes, raising th

A juvenile iguanodontian from the Lower Cretaceous of China preserves both spikes and scales in its skin that are different from integumentary structures in either non-avian dinosaurs or extant squama...

The Dinosaur Park Formation (DPF) of western Canada is well known for its diverse fossil assemblage, preserving over a dozen species of large-bodied herbivorous dinosaurs. The high density of large herbivores has raised questions of how these animals were ...

Nature - The ankylosaurian dinosaur Spicomellus afer possessed a tail weapon and uniquely elaborate dermal armour.

A new instrument called the Dinosaur Choir uses CT scans and 3D modeling to recreate actual the sounds of a Corythosaurus.

Phylogenetic analyses of Hadrosauroidea are generally well-resolved, but finer resolution within Hadrosauromorpha remains contentious. This lack of resolution is due in part to the inability of dis...