Oviraptoridae is a group of bird-like, herbivorous and omnivorous maniraptoran dinosaurs. Oviraptorids are characterized by their toothless, parrot-like...

that Oviraptor was distinct enough to warrant a separate family, the Oviraptoridae. When first described, Oviraptor was interpreted as an egg-thief, egg-eating...

and its first digit was reduced. Heyuannia was assigned by Lü to the Oviraptoridae in 2002. Its exact placement within this group is uncertain. Later analyses...

constructed as in the Asian Oviraptoridae. Other differences from its Asian cousins include size – the Asian Oviraptoridae were smaller – as well as thicker...

them into two primary sub-groups, the Caenagnathidae and the Oviraptoridae. The Oviraptoridae is further divided into the small, short-armed, and crestless...

Asia. They are a member of the Oviraptorosauria, and relatives of the Oviraptoridae. Like other oviraptorosaurs, caenagnathids had specialized beaks, long...

representatives of three different oviraptorid clades. Below is a family tree of Oviraptoridae based on Lü et al., 2017 (bolded species inhabited South China): The...

Oviraptoridae Caenagnathidae...

†Caenagnathidae (toothless oviraptorosaurs known from North America and Asia) †Oviraptoridae (characterized by two bony projections at the back of the mouth; exclusive...

Caenagnathus collinsi) Caenagnathidae (C. collinsi > O. philoceratops) Oviraptoridae (O. philoceratops > C. collinsi) Oviraptorinae (O. philoceratops + Citipati...