Historically, the scarcity of non-adult Triceratops fossils collected from Upper Cretaceous
sediments of North America limited our understanding and promoted controversy with …

Ceratopsids (“horned dinosaurs”) are known from western North America and Asia, a
distribution reflecting an inferred subaerial link between the two landmasses during the Late …

The partial skull and skeleton of Avaceratops lammersi, an unusual ceratopsid from the
Judith River Formation of central Montana, are described. Avaceratops has several …

The ceratopsid Styracosaurus albertensis is an important component of the herbivorous
dinosaur fauna preserved in the Campanian-aged Dinosaur Park Formation in Alberta …

Centrosaurus brinkmani (sp. nov) is distinguished from Centrosaurus apertus by key
features of its cranial ornamentation, including the shape and orientation of the postorbital …

Neuquensuchus universitas is an enigmatic crocodyliform known by a single, incomplete
postcranial skeleton collected in the Upper Cretaceous (Santonian) Bajo de la Carpa …

The Cretaceous rocks of the Prince Creek Formation contain the richest record of polar
dinosaurs found anywhere in the world. Here we describe a new species of horned …

In 2008, a new basal neoceratopsian was discovered in the Tando beds (Albian) of Tando
Basin in South Korea. It represents the first ceratopsian dinosaur in the Korean peninsula …

Elasmosaur cervical vertebrae are common fossils, but their taxonomic utility is limited due
to a lack of understanding concerning their shape within and among taxa. In this paper, we …

Ceratopsia is a diverse dinosaur clade from the Middle Jurassic to Late Cretaceous with
early diversification in East Asia. However, the phylogeny of basal ceratopsians remains …