Amynodontidae
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Amynodontidae is an extinct family of rhinocerotoids, known from the Eocene to Oligocene of North America, Europe, and Asia. They were among the dominant groups of herbivorous mammals in the Northern
Amynodon avenus skeleton AMNH
Metamynodon skeleton
Skull of Zaisanamynodon
Heptodon posticus
Amynodon
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Amynodon is an extinct genus of amynodont that lived in North America during the Middle Eocene, from the late Bridgerian to the late Uintan land mammal age. Several species of Amynodon have been named
Amynodontidae
…lifestyle but the other group of derived amynodonts, the cadurcodontines, were more lightly built and terrestrial, probably similar to modern tapirs. Amynodon, not placed in either tribe, has been interpreted as a terrestrial browser that lived in open forest-savanna habitats, though isotope analyses of its…
Later North American amynodonts, such as Metamynodon (pictured), may not have been descended from Amynodon, since their closest known relatives are known from outside North America
Early Uintan river landscape painted by Charles R. Knight, with Orohippus (left) and Uintatherium (right)