#NEXUS BEGIN DATA; DIMENSIONS NTAX=23 NCHAR=21; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Plesiosaurus_dolichodeirus 000000000000000000000 Muraenosaurus_leedsi 000000000000000011111 Cryptoclidus_eurymerus 000000000000000111111 Tricleidus_seeleyi 000000000000111111111 Kimmerosaurus_langhami 000000000001001111111 Edgarosaurus_muddi 000000000110111111111 Polycotylus_latipinnis 000000000010111111111 Dolichorhynchops_osborni 000000001110111111111 Trinacromerum_bentonianum 000000001110111111111 Brancasaurus_brancai 000000010000000000111 Tatenectes_laramiensis 000000000001011111111 Thalassiodracon_hawkinsi 000000000000000000001 Aristonectes_parvidens 000111110000000001111 Aristonectes_quiriquinensis 000111110000000001111 Callawayasaurus_columbiensis 011000110000000001111 Futabasaurus_suzukii 000001110000000001111 Kaiwhekea_katiki 000011110000000001111 Mauisaurus_haasti 011000110000000001111 Microcleidus_tournemirensis 000000000000000000011 SGO_PV_260 000111110000000001111 Styxosaurus_snowii 101000110000000001111 Thalassomedon_haningtoni 101000110000000001111 Tuarangisaurus_keyesi 011000110000000001111 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;