#NEXUS BEGIN DATA; DIMENSIONS NTAX=21 NCHAR=19; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Euparkeria 0000000000000000000 Proterochampsidae 0000000000000000001 Parasuchia 0000000000000000111 Ornithosuchidae 0000000000000111111 Stagonolepididae 0000000000000001111 Postosuchus 0000000000011111111 Crocodylomorpha 0000000000000011111 Pterosauria 0000000000100000011 Lagerpeton 0000000001100000011 Marasuchus 0000000011100000011 Gallimimus 0000111111100000011 Sauropodomorpha 0000001111100000011 Ornithischia 0000000111100000011 Effigia 1111000000001111111 Arizonasaurus 0001000000001111111 Shuvosaurus 1111000000001111111 Tyrannosaurus 0000111111100000011 Coelophysis 0000011111100000011 Lotosaurus 0011000000001111111 Saurosuchus 0000000000011111111 Sillosuchus 0111000000001111111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;