The Ankylosauria is a group of herbivorous, quadrupedal, armoured dinosaurs subdivided
into at least two major clades, the Ankylosauridae and the Nodosauridae. The most derived …

Interbasinal stratigraphic correlation provides the foundation for all consequent continental-
scale geological and paleontological analyses. Correlation requires synthesis of …

The Late Cretaceous (∼ 95–66 million years ago) western North American landmass of
Laramidia displayed heightened non-marine vertebrate diversity and intracontinental …

Snakes and lizards (Squamata) represent a third of terrestrial vertebrates and exhibit
spectacular innovations in locomotion, feeding, and sensory processing. However, the …

Dynamic topography of Earth's surface occurs in response to hydrodynamic stresses due to
mantle flow beneath a flexible lithosphere. Here, we compare the predicted dynamic …

The 100 m thick stratigraphic section exposed at Dinosaur Provincial Park (DPP; southern
Alberta) contains bentonites that have been used for more than 30 years to date DPP's rocks …

Over the past 30 years, exploration of the terrestrial Mesozoic section in Utah has resulted in
a more than five-fold increase in the known species of dinosaurs. A highly resolved temporal …

The tube-crested hadrosaurid dinosaur Parasaurolophus is remarkable for its unusual
cranial ornamentation, but little is known about its growth and development, particularly …

This study reports on a new ceratopsid, Spiclypeus shipporum gen et sp. nov., from the
lower Coal Ridge Member of the Judith River Formation in Montana, USA, which dates to …

A new fossil leaf mine ichnogenus and species, Leucopteropsa spiralae gen. et sp.
nov.(Lepidoptera: Lyonetiidae), from the Upper Cretaceous Kaiparowits Formation …