Abstract The Late Cretaceous was a time of tremendous global change, as the final stages
of the Age of Dinosaurs were shaped by climate and sea level fluctuations and witness to …

The well-sampled Late Cretaceous fossil record of North America remains the only high-
resolution dataset for evaluating patterns of dinosaur diversity leading up to the terminal …

Background A dinosaur census recorded during the Hell Creek Project (1999–2009)
incorporates multiple lines of evidence from geography, taphohistory, stratigraphy …

Two new specimens of the oviraptorid theropod Nemegtomaia barsboldi from the Nemegt
Basin of southern Mongolia are described. Specimen MPC-D 107/15 was collected from the …

The terrestrial Judith River Formation of northern Montana was deposited over an
approximately 4 Myr interval during the Campanian (Late Cretaceous). Despite having been …

ABSTRACT An articulated, 1.5 m long skeleton of a juvenile Chasmosaurus, lacking only the
front limbs, pectoral girdles, and terminal caudal vertebrae, was collected from the Dinosaur …

A new genus and species of non-hadrosaurid hadrosauroid, Gobihadros mongoliensis, is
described from a virtually complete and undeformed skull and postcranial skeleton, as well …

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 …

Convergent morphologies are thought to indicate functional similarity, arising because of a
limited number of evolutionary or developmental pathways. Extant taxa displaying …

The fossil record of centrosaurine ceratopsids is largely restricted to the northern region of
western North America (Alberta, Montana and Alaska). Exceptions consist of single taxa …