A member of the living marsupial crown group, including all descendants of its last common ancestor. marsupials include several independently specialized feeding and locomotor lineages.
An extinct predatory marsupial. Its superficial resemblance to canids illustrates convergent evolution, not membership in Carnivora.
A member of the kangaroo and wallaby lineage, many of which combine specialized grinding teeth with foregut fermentation.
An early Eocene Australian marsupial whose ankle material informs the early history of Australidelphia. [ref]
Australia's Oldest Marsupial Fossils and their Biogeographical Implications by Robin M. D. Beck and others. PLoS ONE 3, e1858; Djarthia tarsals and australidelphian relationships