North-south provinciality among Campanian and/or Maastrichtian vertebrates, especially
dinosaurs, in the Western Interior basin of North America (specifically, between West Texas …

The Kaiparowits Formation is an unusually thick package of Upper Cretaceous (late
Campanian) strata exposed in Grand Staircase-Escalante National Monument of southern …

Background Troodontids are a predominantly small-bodied group of feathered theropod
dinosaurs notable for their close evolutionary relationship with Avialae. Despite a diverse …

The Kirtlandian land-vertebrate “age”(LVA) is equivalent to 2.2 million years of Campanian
time and fills a long-standing biochronologic gap between the Judithian and Edmontonian …

A new species of the hadrosaurine hadrosaurid Gryposaurus was discovered in the late
Campanian Kaiparowits Formation of southern Utah. Gryposaurus monumentensis, sp. nov …

The horned dinosaur clade Ceratopsidae represents a monophyletic radiation of Late
Cretaceous megaherbivores. Evidence of the 20 million year ceratopsid radiation is …

Beta diversity is an important component of large-scale patterns of biodiversity, but its
explicit examination is more difficult than that of alpha diversity. Only recently have data sets …

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 …

The skull and associated postcrania of Nasutoceratops titusi, a basal centrosaurine
ceratopsid from the Upper Cretaceous (Campanian) Kaiparowits Formation of Grand …

Recent interest in Upper Cretaceous formations of southern Utah including intense
collection efforts by the Kaiparowits Basin Project–a joint collaboration between the Utah …