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