(Parahippus_leonensis,(Merychippus_primus,(Merychippus_insignis,(Cormohipparion_goorisi,(Cormohipparion_quinni,(Cormohipparion_johnsoni,(Cormohipparion_merriami,(Cormohipparion_fricki,Cormohipparion_skinneri,(Cormohipparion_matthewi,(LACM_150080,(Cormohipparion_occidentale,Hippotherium_primigenium)))))))))));