Oviraptoriformes
(Oviraptor > Passer) sensu Sereno, 2005

Class Aves
.....Clade Oviraptoriformes
.........Order Oviraptorosauria
.............Family Caudipteridae
.................Caudipteryx (C.zoui)
.............Caenagnathasia (C.martinsonii)
.............Superfamily Caenagnathoidea
....................Family Oviraptoridae (profiles)
.........................Subfamily Oviraptorinae
................................Oviraptor (O.philoceratops)
................................Citipati (C.osmolskae | C.sp)
.........................Subfamily Ingeniinae
................................Heyuannia (H.huangi)
................................Khaan (K.mckennai)
.........Order Segnosaurischa
.............Superfamily Therizinosauroidea
....................Family Therizinosauridae
.........................Subfamily Therizinosaurinae
................................Erlikosaurus (E.andrewsi)