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

The systematic relationships of taxa traditionally referred to as 'basal ornithopods' or
'hypsilophodontids' remain poorly resolved since it was discovered that these taxa are not a …

Prior studies of Mesozoic biodiversity document a diversity peak for dinosaur species in the
Campanian stage of the Late Cretaceous, yet have failed to provide explicit causal …

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 Wapiti Formation of northwest Alberta and northeast British Columbia, Canada,
preserves an Upper Cretaceous terrestrial vertebrate fauna that is latitudinally situated …

For nearly 60 years, skulls of Parasaurolophus species have been differentiated primarily on
the basis of crest shape rather than on unique morphologic characters of other cranial …

Brachylophosaurini is a clade of hadrosaurid dinosaurs from the Campanian of western
North America. Although well-known from northern localities in Montana and Alberta …

Though the dinosaur Thescelosaurus neglectus was first described in 1913 and is known
from the relatively fossiliferous Lance and Hell Creek formations in the Western Interior …

We describe a previously unrecognized genus and species of basally-branching
hadrosaurid dinosaur, Malefica deckerti, from the middle-to upper Campanian upper shale …

Paleopathology, or the study of ancient injuries and diseases, can enable the ecology and
life history of extinct taxa to be deciphered. Large‐bodied ornithopods are the dinosaurs with …