ANCESTORGeosaurus_vignaudiGeosaurus_giganteusGeosaurus_gracilisGeosaurus_suevicusMachimosaurus_hugiiMetriorhynchus_hastiferMetriorhynchus_leedsiMetriorhynchus_superciliosusPelagosaurus_typusPlatysuchus_multiscrobiculatusSteneosaurus_bollensisSteneosaurus_boutilieriSteneosaurus_breviorSteneosaurus_edwardsiSteneosaurus_gracilirostrisSteneosaurus_hebertiSteneosaurus_leedsiSteneosaurus_baroniSteneosaurus_priscusSteneosaurus_megarhinusSteneosaurus_pictaviensisTeleidosaurus_calvadosiTeleidosaurus_gaudryiTeleosaurus_cadomensisDakosaurus_maximusGracilisuchusProtosuchusDyrosaurusPholidosaurusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Mueller-Towe_2005a