article: Mammaliaformes
links: Convergent evolution Allotheria Repenomamus Castorocauda Multituberculate Fruitafossor Lower Cretaceous Megazostrodon Mesozoic Clade Morganucodon Middle Jurassic Docodonta Monotremata Mammalia Marsupialia Spiny mouse Lactation Extinction Upper Jurassic Eocene Adelobasileus Placentalia Triassic