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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having molars with multiple rows of cusps
  • n. Any of a small group of rodent-like mammals, of the order Multituberculata, from the Cretaceous and Paleocene periods

from The Century Dictionary and Cyclopedia

  • Having many tubercles, as teeth.
  • n. A member of the mammalian order Multituberculata.


multi- +‎ tuberculate (Wiktionary)


  • More accurately, an ancient rodent-like mammal called a multituberculate, somewhere between the size of a large squirrel and an opossum, that likely chewed on scavenged bones to obtain nutrients in the manner of modern day rodents.

    Scientific American

  • And the animal champing at the deceased champsosaurus is believed to have been a member of the extinct multituberculate order of mammals, a diverse group of rodent-like critters that disappeared from the fossil record about 35 million years ago. Top Stories

  • He shared the findings with Longrich, and the two teamed up to document a number of such specimens and determined that an unknown species of multituberculate possibly the furry, squirrel-sized ptilodus dug its teeth into the dead dinosaurs bones to extract calcium for its own bones. Top Stories


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