#NEXUS BEGIN DATA; DIMENSIONS NTAX=27 NCHAR=30; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Panderichthys 000000000000000000000000000000 Elginerpeton 000000000000000000000000000011 Obruchevichthys 000000000000000000000000000011 Ichthyostega 000000000000000000000000001101 Ventastega 000000000000000000000000001101 Metaxygnathus 000000000000000000000000010101 Acanthostega 000000000000000000000000110101 Whatcheeria 000000000000000000000001110101 Tulerpeton 000000000000000000000011110101 Crassigyrinus 000000000000000000000111110101 Greererpeton 000000000000000000001111110101 Megalocephalus 000000000000000000011111110101 Pholiderpeton 000000000000111111111111110101 Cochleosaurus 000000000011000011111111110101 Phonerpeton 000000000111000111111111110101 Eoherpeton 000000001000001111111111110101 Proterogyrinus 000000000000111111111111110101 Gephyrostegus 000000000000011111111111110101 Balanerpeton 000000010111000001111111110101 Platyrhinops 000000010111000001111111110101 Microbrachis 000001100001000000111111110101 Discosauriscus 000011100001000000111111110101 Eocaptorhinus 011110100001000000111111110101 Diploceraspis 100110100001000000111111110101 Sauropleura 101110100001000000111111110101 Ophiacodon 011110100001000000111111110101 Caerorhachis 000000001000001111111111110101 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;