Ornithopoda

Ouranosaurus nigeriensis is an iconic African dinosaur taxon that has been described on the basis of two nearly complete… (More)

BACKGROUND Eolambia caroljonesa is the most abundant dinosaur in the lower Cenomanian Mussentuchit Member of the Cedar Mountain… (More)

A new styracosternan ornithopod genus and species is here described based on a partial postcranial skeleton and an associated… (More)

Predator confrontation or predator evasion frequently produces bone fractures in potential prey in the wild. Although there are… (More)

The Bajo Barreal Formation (Cenomanian, Late Cretaceous; central Patagonia, Argentina) preserves an important and rich fossil… (More)

 

The character diagnosis of Tenontosaurus tilletti has been revised and redefined into a more robust and quantifiable state… (More)

Palaeobiologists frequently attempt to identify examples of co-evolutionary interactions over extended geological timescales… (More)

Although the Ceratopsia and Pachycephalosauria, two major ornithischian groups, are united as the Marginocephalia, few… (More)

is sufficiently distinct from known fabrosaurids in detailed morphology to warrant a separate generic status. The fragments were… (More)