#NEXUS BEGIN DATA; DIMENSIONS NTAX=24 NCHAR=21; FORMAT SYMBOLS= " 0 1" MISSING=? GAP=- ; MATRIX Echinorhinus 000000000000000000000 Etmopterus 000000000000111111111 Centroscymnus 000000001111000001111 Scymnodon 000000001111000001111 Scymnodalatias 000000000111000001111 Somniosus 000000010001000001111 Oxynotus 000000000011000001111 Dalatias 000011100000011111111 Isistius 000011100000011111111 Euprotomicrus 000101100000011111111 Squaliolus 000101100000011111111 Euprotomicroides 000000100000011111111 Centrophorus 000000000000000000111 Deania 000000000000000000111 Squalus 001000000000000000011 Cretascymnus 000000010001000001111 Palaeomicroides 000000000000000011111 Microetmopterus 000000000000001111111 Proetmopterus 000000000000000111111 Eoetmopterus 000000000000111111111 Protosqualus 001000000000000000011 Protospinax 110000000000000000001 Squatina 010000000000000000001 Pristiophorus 110000000000000000001 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;