Exact(30)
The rhinoceros Elasmotherium sibiricum, known as the 'Siberian unicorn', was believed to have gone extinct around 200,000 years ago well before the late Quaternary megafaunal extinction event.
For another, New World mastodons and other so-called megafauna went extinct around that time, too.
They were just one of dozens of large mammalian species that went extinct around 10,000 years ago.
It appears in the fossil record in the Early Pleistocene, as an immigrant from North America, and becomes extinct around the Pleistocene Holocene boundary.
They became extinct around the 16th 17th century, being assimilated by the Lithuanians in the north and the Slavs in the south.
Mastodons are the relatives of modern elephants and were widespread across North America from 125,000 years ago, going extinct around 10,000 years ago.
Similar(30)
In January this year, another paper in Current Biology showed that some of these tortoises are descended from those that once roamed the southerly island of Floreana, a species thought to have gone extinct in around 1850.
"Sea scorpions" are likely not a familiar ocean dweller to most due to the fact they have been extinct for around 250 million years, but these predatory and often enormous arthropods ruled the beds of shallow lakes and seas for over 200 million years.
But as to how the extinct "sthenurines" got around, scientists weren't quite sure until now.
The crocodiles became extinct probably around 65 million years ago, at the end of the Cretaceous.
But a new study of 245 endangered or recently extinct species around the world, everything from giant pandas to tiny mollusks, shows that this idea does not necessarily hold.
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