Tyrannosaurids facts for kids

Quick facts for kids Tyrannosaurids Temporal range: Late Cretaceous, 81–66Ma PreЄ Є O S D C P T J K Pg N
Tyrannosaurus skeletal mount, Carnegie Museum of Natural History
Gorgosaurus skeletal mount, Royal Tyrrell Museum of Palaeontology
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	Theropoda
Superfamily:	†Tyrannosauroidea
Clade:	†Pantyrannosauria
Clade:	†Eutyrannosauria
Family:	†Tyrannosauridae Osborn, 1906
Type species
†Tyrannosaurus rex Osborn, 1905
Subgroups
†Albertosaurinae †Albertosaurus †Gorgosaurus †Tyrannosaurinae †Dynamoterror †Lythronax †Nanuqsaurus †Teratophoneus †Alioramini †Alioramus †Qianzhousaurus †Daspletosaurini †Daspletosaurus †Thanatotheristes †Tyrannosaurini †Tarbosaurus †Tyrannosaurus †Zhuchengtyrannus
Synonyms
Deinodontidae Cope, 1866 Aublysodontidae Nopcsa, 1928 Shanshanosauridae Dong, 1977

Tyrannosauridae is a taxonomic family of theropods. These dinosaurs from the Upper Cretaceous have been found only in North America and Asia. They lived in the later part of the period, 88 to 65 million years ago.

Classification

• Family Tyrannosauridae
  • Subfamily Albertosaurinae
    • Albertosaurus
    • Gorgosaurus
  • Subfamily Tyrannosaurinae
    • Alioramus
    • Daspletosaurus
    • Nanotyrannus
  • Subfamily Tarbosaurinae
    • Alioramus?
    • Alectrosaurus?
    • Tarbosaurus
    • Tarbosaurus
    • Tyrannosaurus

Images for kids

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  Tyrannosaurid (T. rex) and allosauroid (Allosaurus fragilis) skulls. Note the forward-facing eye sockets of T. rex.

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  Diagram showing the differences between a generalised Tarbosaurus (A) and Tyrannosaurus (B) skull

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  Cast of the skeleton of Jane, a juvenile tyrannosaurid in the Burpee Museum of Natural History in Rockford

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  Gorgosaurus restoration with speculative plumage, a trait inferred by phylogenetic bracketing

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  Albertosaurus sculpture from Royal Tyrrell Museum depicted with featherless skin

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  The eye-sockets of T. rex faced mainly forwards, giving it good binocular vision

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  Deinodon teeth, the earliest known tyrannosaurid remains

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  Teeth that have been assigned to Aublysodon at various times

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  The skull of Alioramus with distinct nasal bumps

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  Skeleton of Daspletosaurus (specimen FMNH PR308) at the Field Museum in Chicago

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  Full size model diorama of a group of Albertosaurus, Royal Tyrrell Museum

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  Skeleton cast of Tarbosaurus bataar, a tyrannosaurid from Asia

See also

In Spanish: Tiranosáuridos para niños