The Pleistocene marsupial lion ( " Thylacoleo carnifex " ) had massive carnassial molars.
2.
Fully grown, " Thylacoleo carnifex " would have been close to the same size as a jaguar.
3.
Automatically, it was assumed that two explanations have occurred : marks were produced by prehistoric humans during butchering or by the teeth of " Thylacoleo carnifex ".
4.
They note that the " marsupial lion " ( " Thylacoleo carnifex " ) has been implicated with the butchery of very large Pleistocene mammals, while megalania has not.
5.
The monophyly of Diprotodontia is also well supported by molecular characters, and indicates that " Thylacoleo carnifex " may have shared ancestry with wombats and kangaroos, which are generally believed to have been herbivores.
6.
A 2016 episode of " Nature's Weirdest Events " theorized that the " drop bear " may have started as a long-persisting Australian native memory of encounters with " Thylacoleo carnifex ", the marsupial lion, including showing an old native rock painting that seems to show a " Thylacoleo " standing on a tree branch.
7.
In addition, they note that megalania fossils are extremely uncommon, in contrast to " Thylacoleo carnifex " with its wide distribution across Australian Pleistocene deposits . " Quinkana ", a genus of terrestrial crocodile that grew up to 6m and was present until around 40, 000 years ago, has also been marked as another apex predator of Australian megafauna.
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