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  • Brontotheriidae - Wikipedia
    Brontotheriidae (or Titanotheriidae), is a family of extinct mammals belonging to the order Perissodactyla, the order that includes horses, rhinoceroses, and tapirs from the Eocene epoch
  • Brontothere: Large beasts of the Badlands - U. S. National Park Service
    What is a Brontothere? A brontothere is an ancient mammal which roamed the area of Badlands National Park about 38-34 million years ago Badlands brontotheres are also known as Megacerops coloradensis in scientific literature
  • Brontotheriidae | Perissodactyl
    The earliest brontothere, Eotitanops, was small and hornless and not much different from other early perissodactyls, but more specialized species of brontotheres quickly evolved
  • The Brontotheres - The Thunder Beasts of North America
    The very first mammal fossil described from the Western United states is also a Brontothere This discovery sparked a frenzy of fossil expeditions well before the "Bone Wars" of the 1870's
  • Brontothere | Eocene Epoch, Hoofed Mammal Prehistoric | Britannica
    Brontothere, member of an extinct genus (Brontotherium) of large, hoofed, herbivorous mammals found as fossils in North American deposits of the Oligocene Epoch (36 6 to 23 7 million years ago)
  • Brontotheres Evolved Their Enormous Sizes as Way to Survive in . . .
    In new research, a team of scientists in Spain looked at the record of body size in brontotheres (thunder beasts), an extinct lineage of large herbivorous rhinoceros-like mammals (though more closely related to horses) from the Eocene epoch that experienced orders of magnitude changes in size
  • About the Animals: Brontotheres | Nebraska Public Media
    Brontotheres appeared 54 million years ago and evolved in North America and in Asia An ancestor that came to be known as the “Thunder Horse” was small (dog-sized) and hornless But it went on to much bigger things, such as Dolichorhinus, which had an elongated skull
  • ‘Thunder beast’ fossils show how some mammals might have gotten big
    Species of extinct, hefty, rhinoceros-like creatures called brontotheres evolved into both bigger and smaller forms over their 22-million-year run, researchers report in the May 12 Science
  • The Nat | Brontothere - sdnhm. org
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  • Brontotheriidae
    Brontotheres are an early diverging clade within Perissodactyla Although historically suggested to be closely related to horses, phylogenetic analyses have recovered them to lie outside the clade containing chalicotheres, rhinoceroses, tapirs and horses,[9] or more closely related to chalicotheres, rhinoceroses and tapirs than to horses [10]





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