article: Metatheria
links: Neogene Eutheria Cretaceous–Tertiary extinction event Cretaceous Sinodelphys Lower Cretaceous Sparassodont Lycopsis Notoryctemorphia Paucituberculata Thomas Henry Huxley Didelphimorphia Peramelemorphia Ancient Greek Sparassodonta Chordate Holocene Diprotodontia Mammalia Theria Marsupialia Mammal Order (biology) China Microbiotheria Australidelphia 1880 Dasyuromorphia Yalkaparidontia