IchthyostegaAcanthostegaAdelogyrinusAnthracosaurusArcheriaAriekanerpetonBalanerpetonBaphetesBruktererpetonCaerorhachisCasineriaChroniosaurusCrassigyrinusDendrerpetonDiscosauriscusEoherpetonEucrittaEusthenopteronGephyrostegusGreererpetonLoxommaMegalocephalusMicrobrachisPaleothyrisPederpesPholiderpetonProterogyrinusPtyoniusSaxonerpetonSeymouriaSilvanerpetonUtegeniaWestlothianaWhatcheeriaBystrowiellaOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Witzmann_et_Schoch_2018a