Tritylodontidae

Tritheledontidae

Adelobasileus

Sinoconodon

Dinnetherium

Morganucodon

Megazostrodon

Haldandon

Ornithorhynchus

Tachyglossidae

Multituberculata

Clov_triconodonts

Triconodon

Trioracodon

Priacodon

Khoobur_petrosal_2

Khoobur_petrosal_1

Vincelestes

Placentalia

Marsupialia