The fossils indicate the existence of a complex community of marsupials, birds and crocodiles, including the greatest variety of species of Diprotodontidae that has ever been described.
2.
The "'Diprotodontidae "'are an extinct family of large marsupials, endemic to what would be Australia, during the Oligocene through Pleistocene periods from 28.4 million to 11, 000 years ago.
3.
Among the extinct families are the Diprotodontidae, which includes " Diprotodon ", believed by many to be the inspiration for the bunyip . " Vombatiformes " is neo-Latin for " wombat-shaped things ", and took its name from its type family.
4.
It was a herbivore which browsed on soft plant matter such as leaves and stems and lived in an environment that largely consisted of tropical rainforest . " Silvabestius " is in the family Diprotodontidae and is therefore related to the extinct giant marsupial " Diprotodon " as well as to living koalas and wombats.