Marsupial lion Temporal range: 1.6–0.046 Ma PreЄ Є O S D C P T J K Pg N ↓ Early – Late Pleistocene Artist's impression Scientific classification Kingdom: Animalia Phylum: Chordata Class: Mammalia Infraclass: Marsupialia Order: Diprotodontia Family: †Thylacoleonidae Genus: †Thylacoleo Species: †T. carnifex Binomial name †Thylacoleo carnifex Owen, 1859