(Captorhinus,((Diadectes,(Limnoscelis,Eothyris)),((Casea_halselli,(Varanops,(Ophiacodon,(Dimetrodon,Sphenacodon)))),((Ruthenosaurus_russellorum,(Angelosaurus_greeni,(Edaphosaurus,Trichasaurus_texensis))),(Oromycter_dolesorum,((Angelosaurus_dolani,(Casea_broilii,Euromycter_rutenus)),(Caseoides_sanangeloensis,(Casea_nicholsi,(Cotylorhynchus_hancocki,((Caseopsis_agilis,(Cotylorhynchus_romeri,Ennatosaurus_tecton)),(Cotylorhynchus_bransoni,Angelosaurus_romeri)))))))))));