Ruminant
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Ruminants are herbivorous grazing or browsing artiodactyls belonging to the suborder Ruminantia that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior
Food digestion in the simple stomach of nonruminant animals versus ruminants
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.