Modern megaherbivore community richness is limited by bottom-up controls, such as
resource limitation and resultant dietary competition. However, the extent to which these …

Abstract The Western Interior of North America preserves one of the most complete
successions of Upper Cretaceous marine and non-marine strata in the world; among these …

This work provides a review of the taxonomic diversity, phylogenetic relationships, and
historical biogeography of the seven described hadrosauroids from Mexico. Their …

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 …

The histological features of Dinosauria and its relatives (Pan-Aves, the stem-group for birds,
comprising also pterosaurs and a variety of other basal avemetatarsalians) are surprisingly …

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 …

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

The geographic ranges in which species live is a function of many factors underlying
ecological and evolutionary contingencies. Observing the geographic range of an individual …

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 …