#NEXUS BEGIN DATA; DIMENSIONS NTAX=20 NCHAR=28 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Notorhizodon 0000000000000000000000000000 Barameda 1100000000000000000000000000 Screbinodus 1110000000000000000000000000 Rhizodus 1111000000000000000000000000 Strepsodus 1111000000000000000000000000 Koharalepis 1000111111000000000000000000 Beelarongia 1000111110000000000000000000 Canowindra 1000111000000000000000000000 Thysanolepis 1000110101111111111000000000 Vorobjevaia 1000110101111111111000000000 Megistolepis 1000100000111111000111111000 Mahalalepis 1000100000111111100111111000 Ectosteorhachis 1000100000111111010111111100 Megalichthys 1000100000111111010111111100 OSTEOLEPIDS 1000100000100000000100000000 Marsdenichthys 1000100000110000000110000010 Platycephalichthys 1000100000111000000111000011 Eusthenopteron 1000100000111000000111000011 PANDERICHTHYIDS 1000100000111110000111110000 TETRAPODS 1000100000111100000111100000 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;