Tyrannosauroidea is a well-studied group of carnivorous dinosaurs known mainly from the
Late Cretaceous of the Northern Hemisphere. Specimens from Australia (Timimus hermani …

A partial ankylosaurid skeleton from the upper Campanian Kaiparowits Formation of
southern Utah is recognized as a new taxon, Akainacephalus johnsoni, gen. et sp. nov. The …

ABSTRACT The Cenomanian to Maastrichtian of the Late Cretaceous saw the flooding of
the interior of North America by the Western Interior Seaway, which created the eastern …

1. October 13, 2018: Minor Correction: In the Acknowledgements, Eric Gutierrez is credited
as the sole discoverer of UMNH VP 28348, the holotype of Dynamoterror dynastes. We …

Despite a global fossil record, Metatheria are now largely restricted to Australasia and South
America. Most metatherian paleodiversity studies to date are limited to particular subclades …

Anthony Fiorillo has been exploring the Arctic since 1998. For him, like many others, the
Arctic holds the romance of uncharted territory, extreme conditions, and the inevitable epic …

Dinosaur community composition data for eleven fossil localities in the Late Cretaceous
Nemegt Basin of Mongolia are compiled from field observations and records in the literature …

The Cretaceous landmass of Appalachia has preserved an understudied but nevertheless
important record of dinosaurs that has recently come under some attention. In the past few …

Natural history museums'(NHMs) primary missions are to collect, curate, and research
natural history objects (life, earth, human cultures, and other specimens), and to use them for …

Tyrannosauridae is a diverse clade of Late Cretaceous theropod dinosaurs that exhibit
significant changes in skull morphology through ontogeny. Whereas mature individuals of …