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Hippos are a geologically young group, which raises questions about their origin. The oldest cetaceans date back to the early Eocene (53 million years ago), whereas the oldest known hippopotamus dates back only to the Miocene (15 million years ago).
Hippo masks were also used in Nyau funerary rituals of the Chewa of Southern Africa. [101]: 120 According to Robert Baden-Powell, Zulu warriors referred to hippos in war chants. [112] The Behemoth from the Book of Job, 40:15–24 is thought to be based on the hippo. [113] Hippos have been the subjects of various African folktales.
The hippos split off from the anthracotheres some time during the Miocene. The oldest records of Hippopotamidae are from Afro-Arabia and date to the late Miocene, approximately 7.4 million years ago, expanding into Eurasia around 6 million years ago. [ 2 ]
Hippos are native to Africa and live mainly in sub-Saharan regions. They are semi-aquatic mammals and spend much of their time in slow-moving bodies of water like swamps, lakes, estuaries ...
The order Artiodactyla consists of 349 extant species belonging to 132 genera. This does not include hybrid species or extinct prehistoric species. Modern molecular studies indicate that the 132 genera can be grouped into 23 families; these families are grouped into named suborders and many are further grouped into named clades, and some of these families are subdivided into named subfamilies.
They belong to the Cervidae family, which includes giraffes, bison, hippos, pigs, camels, sheep, and cattle. However, all reindeer are not the same. However, all reindeer are not the same.
For a while their relationships with other ungulates were a mystery. Some paleontologists have even challenged the monophyly of Meridiungulata by suggesting that the pyrotheres may be more closely related to other mammals, such as Embrithopoda (an African order that were related to elephants) than to other South American ungulates. [35]
In 2022, Russian researchers found a young bison from over 8,000 years ago in Siberia. Now, they want to clone it. Scientists Are Thinking About Cloning an Extinct, Mummified Bison