EusthenopteronAcanthostegaAdelogyrinusBalanerpetonBaphetesCaerorhachisCrassigyrinusDendrerpetonEoherpetonEucrittaGephyrostegusGreererpetonIchthyostegaMegalocephalusMicrobrachisPholiderpetonProterogyrinusPtyoniusSaxonerpetonSeymouriaWestlothianaWhatcheeriaOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Clack_et_Finney_2005aa