#NEXUS BEGIN DATA; DIMENSIONS NTAX=22 NCHAR=19 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Temnodontosaurus_sp 0000000000000000000 Ichthyosaurus_communis 1100000000000000000 Stenopterygius_quadriscissus 1010000000000000000 Ophthalmosaurus_icenicus 1011111111000000000 Brachypterygius_extremus 1011111000110000000 Maiaspondylus_lindoi 1011111000111000000 Undorosaurus_gorodischensis 1011110000000000000 Arthropterygius_chrisorum 1011100000000000000 Mollesaurus_periallus 1011111100000100000 Acamptonectes_densus 1011111110000000000 Caypullisaurus_bonapartei 1011111000100011000 Aegirosaurus_leptospondylus 1011111000111000100 Platypterygius_australis 1011111000100011000 Platypterygius_hercynicus 1011111000100010000 Athabascasaurus_bitumineus 1011111100000100010 Malawania_anachronus 1100000000000000000 Leninia_stellans 1011111111000000000 Sveltonectes_insolitus 1011111000111000100 Palvennia_hoybergeti 1011111100000100011 Cryopterygius_kristiansenae 1011111100000100011 Janusaurus_lundi 1011111100000100011 Keilhauia_nui 1011000000000000000 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;