(e) idealised reconstruction of the skull and mandible as they would have appeared in life, showing distinctive reduction of infratemporal fenestra (blue arrow), and rearrangement of pterygoid musculature (orange line) compared to archetypal oviraptorid Citipati osmolskae (f). Dotted blue lines in (e, f) outline internal features obscured by overlying mandibles. mvp maxillovomeral process, mPTv pterygoideus ventralismuscle, pt pterygoid