Tyrannosaurus rex

†Tyrannosaurus rex m (plural Tyrannosauri reges)

1. A taxonomic species within the family Tyrannosauridae – a large carnivorous dinosaur.

• (species): Dynamosaurus rex, Dynamosaurus imperiosus, Tyrannosaurus imperiosus

• (species): Saurischia - order; Tyrannosauridae - Family; Tyrannosaurinae - subfamily; Tyrannosaurini - tribe; Tyrannosaurus - genus

• Tyrannosaurus rex on Wikipedia.Wikipedia
• Tyrannosaurus rex on Wikispecies.Wikispecies
• Tyrannosaurus rex on Wikimedia Commons.Wikimedia Commons
• Tyrannosaurus rex at Paleobiology Database

• Tyrannosaurus Rex, tyrannosaurus rex

• IPA^(key): /taɪˌɹænəˈsɔːɹəs ˈɹɛks/, /təˌɹænəˈsɔːɹəs ˈɹɛks/

Tyrannosaurus rex (plural Tyrannosaurus rex or Tyrannosaurus rexes or Tyrannosauri reges)

1. A giant carnivorous theropod dinosaur from the Cretaceous period.
   • 1999, Fred Setterberg, America: True Stories of Life on the Road, →ISBN, page 244:

     Some of the most spectacular beasts in East Coast museums happen to be Tyrannosaurus rexes from Montana.

   • 2003, Donald J. Richgels, Going to Kindergarten: A Year with an Outstanding Teacher, →ISBN, page 222:

     "Now, Dr. Richgels, you picked a folder from the story box. Could you show us the one that you picked?" Mine shows two Tyrannosaurus rexes fighting […]

   • 2009, Allen A. Debus, Prehistoric Monsters: The Real and Imagined Creatures of the Past, →ISBN, page 251:

     So Lyell's view is not inconsistent with Dollo's Law of Irreversibility in that, under awful (i.e., evolutionary) changes, biological organisms would not follow the same unlikely path regenerating, say, DNA-exact Tyrannosaurus rexes from ancestral chicken stock in some future age.