Acritohippus_stylodontusPliohippus_pernixAstrohippus_stockiBoreohippidion_galushaiDinohippus_interpolatusDinohippus_leardiDinohippus_leidyanusDinohippus_mexicanusEquus_conversidensEquus_ferusEquus_hemionusEquus_idahoensisEquus_mexicanusEquus_neogeusEquus_occidentalisEquus_quaggaEquus_simplicidensEquus_stenonisHaringtonhippus_francisciHippidion_principaleHippidion_saldiasiOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Barron-Ortiz_etal_2019a