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Related to tyrannosaurid: Tyrannosaurus rex


 (tĭ-răn′ə-sôr′ĭd, tī-)
Any of various theropod dinosaurs of the family Tyrannosauridae of the Cretaceous Period, characterized by short deep jaws with large teeth, long hind limbs, and short forelimbs, and including T. rex. Also called tyrannosaur.

[From New Latin Tyrannosauridae, family name, from Tyrannosaurus, type genus; see tyrannosaurus.]

ty·ran′no·sau′rid adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
(2005): An unusual multiindividual tyrannosaurid bonebed in the Two Medicine Formation (Late Cretaceous, Campanian) of Montana (USA).
(1998): Possible evidence of gregarious behavior in tyrannosaurids. GAIA, 15: 271-277.
Previously, paleontologists thought this type of wide-skulled tyrannosaurid only appeared 70 million years ago, whereas Lythronax shows it had evolved at least 10 million years earlier.
This study also indicates that tyrannosaurid dinosaurs (the group of tyrannosaurs that includes T.
It was the largest carnivore in its ecosystem and is the earliest known member of the tyrannosaurid group from Laramidia.
They studied the skull, teeth, nose, spine, shoulders, forearms, pelvis and hind legs of the new fossil, and compared the features to larger evolutionary versions of Tyrannosaurid dinosaurs.
The serrated teeth of tyrannosaurid dinosaurs, and biting structures in other animals.
The newest evidence in this scientific debate evolved from several years of study of the nasal bones and structure of dinosaurs -- in this particular project, those of a duckbill, a tyrannosaurid, and an ostrich-like creature.
U of A paleontologist Miriam Reichel analyzed the teeth of the entire tyrannosaurid family of meat eating dinosaurs and found T.
Other large-bodied Chinese theropods are larger than this supposed Szechuanosaurus specimen, with femoral lengths comparable to some individuals of the tyrannosaurid Tarbosaurus (Table 1).
"I have not seen anything to justify the shadow of doubt," said Thomas Carr, who works on tyrannosaurid dinosaurs at Carthage College in Kenosha, Wisconsin.
This led the scientists to deduce that a protozoan parasite was to blame for the diseased jawbones seen in many tyrannosaurid fossils.