#NEXUS BEGIN DATA; DIMENSIONS NTAX=21 NCHAR=22; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Captorhinomorpha 0000000000000000000000 Petrolacosaurus 0000000000000000000001 Younginiformes 0000000000000000000011 Claudiosaurus 0000000000000000000111 Pachypleurosaurus 0000000000000011111111 Neusticosaurus 0000000000000011111111 Serpianosaurus 0000000000000000111111 Anarosaurus 0000000000000101011111 Dactylosaurus 0000000000001101011111 Keichousaurus 0000000000001101011111 Placodontia 0000000001110000001111 Simosaurus 0000001110110000001111 Corosaurus 0000000011010000001111 Ceresiosaurus 0001111110110000001111 Lariosaurus 0001111110110000001111 Cymatosaurus 0000011110110000001111 Nothosaurus 0010111110110000001111 Paranothosaurus 0010111110110000001111 Pistosaurus 0100000110110000001111 Plesiosauroidea 1100000110110000001111 Piiosauroidea 1100000110110000001111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;