In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

The Marsupial lion , Thylacoleo , is an extinct carnivorous marsupial which lived in Australia from 1,600,000 to 46,000 years ago .
The marsupial lion ( " Thylacoleo carnifex " ) is an extinct species of carnivorous marsupial mammal that lived in Australia from the early to the late Pleistocene ( 1,600,000 – 46,000 years ago ) .