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.
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.
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.
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.