Hypothetical_ancestor

Tachyglosseus_aculeatus

Ornithorhynchus_anatinus

Lestoros_inca

Dasyurus_viverrinus

Isoodon_obesulus

Sminthopsis_murina

Didelphis_virginiana

Vombatus_ursinus

Macropus_eugenii

Trichosurus_vulpecula

Pseudocheirus_peregrinus

Procavia_capensis

Phoca_vitulina

Callorhinus_ursinus

Procyon_lotor

Felis_catus

Canis_familiaris

Ovis_aries

Lama_glama

Tayassu_tajacu

Sus_scrofa

Equus_burchelli

Trichechus_manatus

Tursiops_truncatus

Rattus_norvegicus

Sciurus_carolinensis

Castor_canadensis

Erethizon_dorsatum

Dasyprocta_leporina

Cavia_porcellus

Pteropus_giganteus

Myotis_lucifugus

Cynocephalus_volans

Pan_troglodytes

Macaca_mulatta

Aotus_trivirgatus

Saimiri_sciureus

Galago_senegalensis

Tupaia_glis

Hemicentetes_hemispinosus

Erinaceus_europaeus

Scalopus_aquaticus

Blarina_brevicauda

Elephantulus_rufescens

Oryctolagus_cuniculus

Dasypus_novemcinctus

Choloepus_hoffmanni

Myrmecophaga_tridactyla

Tamandua_tetradactyla