Mammal Orders
Major placental mammal orders with approximate branch ages (Mya).
Make it your own.
(((Afrotheria:80,Xenarthra:80):5,((Euarchontoglires:75,Laurasiatheria:75):5,((Marsupialia:160,Monotremata:180):40,Reptilia:300):20):5):20,Outgroup:350);