Hypothetical_ancestorAsioryctes_nemegtensisBatodon_tenuisBarunlestes_butleriCimolestes_sppGypsonictops_sppKennalestes_gobiensisParanyctoides_maleficusOtlestes_meimanSailestes_quadransZalambdalestes_lecheiPurgatorius_unioTribosphenomys_minutusProtungulatum_donnaeAlostera_saskatchewanensisAvitotherium_utahensisAspanlestes_aptapZhelestes_temirkazykParazheletes_robustusParazheletes_minorEoungulatum_kudukensisOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Nessov_etal_1998a