rationalskepticism.org

I think you’ve been taken in by shitty reporting or you are simply willing to peddle bad info to suit your narrative. Let’s assume the former as the latter would characterize you as dishonest.

While all kangaroos are marsupials, not all marsupials are kangaroos. This was likely more rat-like, something akin to a possum.

Paper on its discovery, morphology and classification here.

http://palaeontologicalsociety.in/vol50_1/v11.pdf