#NEXUS BEGIN DATA; DIMENSIONS NTAX=23 NCHAR=42; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Seymouriidae 000000000000000000000000000000000000000000 Synapsida 000000000000000000000000000000000000000001 Parareptilia 000000000000000000000000000000000000000111 Captorhinidae 000000000000000000000000000000000000001011 Araeoscelidia 000000000000000000000000000000000000011111 Rhynchocephalia 000000000000000000011111111111111111111111 Squamata 000000000000000000100111111111111111111111 Prolacerta 000000000001111111000000000000111111111111 Tanystropheus 000000000010000111000000000001011111111111 Trilophosaurus 000000011100011111000000000000111111111111 Rhynchosauria 000000101100111111000000000000111111111111 Archosauriformes 000000100101111111000000000000111111111111 Choristodera 000001010000001001000000000110101111111111 Eosauropterygia 011111000000000001100000111111111111111111 Placodontia 011111000000000001100000111111111111111111 Claudiosaurus 000000000000000000000000000000000011111111 Thalattosaurifor 100011000010000011000000000011011111111111 Testudines 000100000000000000100001111111111111111111 Coelurosauravus 000000000000000000011000011001010111111111 Younginiformes 000000000000000000000000000000000001111111 Apsisaurus 000000000000000000000000000000000000111111 Ichthyopterygia 101011000010000011000000000011011111111111 Kuehneosauridae 000000000000000000001011101111111111111111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;