#NEXUS BEGIN DATA; DIMENSIONS NTAX=20 NCHAR=18; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Herrerasaurus_ischigualastensis 000000000000000000 Coelophysis_bauri 100000000000000000 Allosauroidea 110000000000000000 Tyrannosauridae 111000000000000000 Ornithomimosauria 111100000000000000 Dromaeosauridae 111111000000000000 Troodontidae 111111000000000000 Alvarezsauridae 111101100000000000 Therizinosauria 111101110000000000 Archaeopteryx_lithographica 111101111000000000 Confuciusornis_sanctus 111101111100000000 Avimimus_portentosus 111101111110000000 Caudipteryx_zoui 111101111111000000 Chirostenotes_pergracilis 111101111111110000 Nomingia_gobiensis 111101111111110000 Microvenator_celer 111101111111011100 Oviraptor_mongoliensis 111101111111011100 Oviraptor_philoceratops 111101111111010110 Conchoraptor_gracilis 111101111111010111 Ingenia_yanshini 111101111111010111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;