Despite dominating biodiversity in the Mesozoic, dinosaurs were not speciose. Oviparity
constrained even gigantic dinosaurs to less than 15 kg at birth; growth through multiple …

This chapter will cover clade definitions, the relationships within clades as well as the
occasional controversial relationships between different clades. Phylogenies arising from a …

Abstract The Cretaceous paleocommunities of North America preserve a rich record of
biodiversity that suggests many species occupied narrow biogeographic ranges in …

The Dinosaur Park Formation (DPF) of Alberta, Canada, has produced one of the most
diverse dinosaur faunas, with the record favouring large-bodied taxa, in terms of number …

The teeth of putatively carnivorous dinosaurs are often blade-shaped with well-defined
serrated cutting edges (Figure 1). These ziphodont teeth are often easily differentiated …

Tooth attachment and replacement play significant roles in the feeding ecology of
polyphyodont vertebrates, yet these aspects have remained largely unexplored in non …

Since the beginning of the 1990s, palaeontologists have been interested in understanding
biological processes recorded within the bone microstructure of deinonychosaurian …

Eudromaeosauria is a clade of derived dromaeosaurids that typifies the common perception
of 'raptor'dinosaurs. The evolutionary history of this clade has been controversial due to …

An unabated surge of new and important discoveries continues to transform knowledge of
pennaraptoran biology and evolution amassed over the last 150+ years.! is chapter …

ABSTRACT A well-preserved paravian manus was described from the Jehol Biota of
western Liaoning, China. This specimen was inferred as an early-diverging troodontid and …