#NEXUS BEGIN DATA; DIMENSIONS NTAX=19 NCHAR=16 ; FORMAT DATATYPE=STANDARD SYMBOLS=" 0 1" MISSING=? GAP=- ; MATRIX Marmorerpeton 0000000000000000 Liaoxitriton 1110000000000000 Jeholotriton 1101000000000000 Chunerpeton 1110111100000000 Valdotriton 1110110011111000 Iridotriton 1110110011111000 Pangerpeton 1101000000000000 Sirenidae 1110110010000110 Living_Hynobiidae 1110100000000000 Cryptobranchidae 1110111100000000 Ambystomatidae 1110110011110000 Salamandra 1110110011000000 Dicamptodon 1110110011111001 Plethodontidae 1110110011100000 Rhyacotriton 1110110011111001 Karaurus 1000000000000000 Amphiumidae 1110110010000100 Proteidae 1110110010000110 Regalerpeton 1110111000000000 ; END; BEGIN ASSUMPTIONS; OPTIONS DEFTYPE=unord PolyTcount=MINSTEPS ; END;