Giraffe
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Giraffes are large African hoofed mammals. They are the tallest living terrestrial animals and the largest ruminants on Earth. They are classified under the family Giraffidae, along with their closest
The extinct giraffid Samotherium (middle) in comparison with the okapi (below) and giraffe. The anatomy of Samotherium appears to have shown a transition to a giraffe-like neck.
Giraffe skeleton on display at the Museum of Osteology, Oklahoma City
Closeup of the head of a Southern giraffe
Artiodactyla
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Artiodactyla is an order of placental mammals. Typically, they are ungulates which bear weight equally on two of their five toes. The other three toes are either present, absent, vestigial, or pointin
Entelodonts were stocky animals with a large head, and were characterized by bony bumps on the lower jaw.
Sivatherium was a relative of giraffes with deer-like forehead ossicones.
Molecular and morphological studies confirmed that cetaceans are the closest living relatives of hippopotamuses.