description Sthenurus Overview
Fossils of Sthenurus document an extinct genus of heavily built, short-faced kangaroos from Australia, including species known from the Pleistocene. It belongs to Sthenurinae, a subfamily within Macropodidae, rather than a separate family called Sthenuridae. Some species were large enough for body-mass estimates to exceed 100 kilograms, although size varied and estimates should not be treated as a single measurement for the entire genus. A reduced hind foot with one main weight-bearing toe distinguishes these animals from living kangaroos.
Studies of sthenurine anatomy have proposed upright, two-legged walking as an important form of movement, but this remains an interpretation of skeletal evidence rather than directly observed behavior. Sthenurus suits an interest in Australian megafauna and marsupial evolution, particularly how changes in body size and limb structure may have produced movement unlike familiar kangaroo hopping.
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What is Sthenurus?
Sthenurus is an extinct genus of large, short-faced kangaroo belonging to the family Sthenuridae. These marsupials lived throughout Pleistocene-era Australia.
How large were the extinct Sthenurus kangaroos?
These marsupials were heavily built, with estimates suggesting they weighed well over 100 kilograms. They were significantly larger and more robust than most modern kangaroos.
How does the Sthenurus differ from modern kangaroos?
Sthenurids are distinguished from modern kangaroos by their short faces and heavily built bodies. They also lacked the specialized hopping anatomy of modern macropods and likely walked upright on two legs.
Where did the Sthenurus live?
The Sthenurus lived throughout Australia during the Pleistocene epoch. Their fossils are commonly found in cave deposits and dry lake beds across the continent.
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