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megatherium in Science
Plural megatheriums or megatheria
A large, extinct ground sloth of the genus Megatherium that lived from the Miocene through the Pleistocene Epochs, primarily in South America. It was as large as an elephant, had long curved claws and teeth only in the sides of its jaws, and ate plants. The megatherium was more closely related to the modern two-toed sloth than to the three-toed sloth.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Examples from the Web for megatherium
Historical Examples
  • I at first thought it belonged either to the Megalonyx or megatherium (4/1).

  • "And to the megatherium sitting on the man—" said Jack, laughing.

    The Merryweathers Laura E. Richards
  • To the geologist man is just as much and just as little as a trilobite or a megatherium.

    Modern Skepticism C. J. Ellicott
  • The feet also are different from those of megatherium (see Fig. 50).

    Extinct Monsters H. N. Hutchinson
  • Is there not the megatherium for the literary, and the Munchausen for the travelled?

    General Bounce

    G. J. Whyte-Melville
  • In short, the megatherium exceeded in dimensions all existing Edentates.

  • Smaller than the megatherium, it differed from it chiefly in the form of the teeth.

  • It looked like a keepsake the megatherium had hoped to save from the usurpers of its lair.

    The Thing in the Attic James Benjamin Blish
  • But when the priest of the megatherium cried: "Who will have this stranger for a god?"

    Tales From Jkai Mr Jkai
  • When Huysmans and Paul and myself are dead, it will be as impossible to write a naturalistic novel as to revive the megatherium.

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