Thylacoleonidae is a family of extinct carnivorous diprotodontian marsupials from Australia, referred to as marsupial lions. The best known is Thylacoleo carnifex, also called the marsupial lion. The
Illustration of lower dentition of Thylacoleo reconstructed by Owen, 1877
Diprotodontia is the largest extant order of marsupials, with about 155 species, including the kangaroos, wallabies, possums, koala, wombats, and many others. Extinct diprotodonts include the hippopot
The prominent mandibular central incisors characteristic of the diprotodonts are evident in this Kangaroo Island western grey kangaroo (Macropus fuliginosus fuliginosus)