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Tyrannosauridae (or tyrannosaurids, meaning "tyrant lizards") is a family of coelurosaurian theropod 
Tyrannosaurs rule the earth

Tyrannosaurus and Tarbosaurus

dinosaurs which comprises two subfamilies containing up to eleven genera, including the eponymous Tyrannosaurus. The exact number of genera is controversial, with some experts recognizing as few as three. All of these animals lived near the end of the Cretaceous period and their fossils have been found only in North America and Asia, with primitive Tyrannsauroids being found on the same continents and Europe.


FactsEdit

Although descended from smaller ancestors (which resemble halfway evolutionary forms from Coelurosaurs to Tyrannosaurids), tyrannosaurids were almost always the largest predators in their respective ecosystems, putting them at the apex of the food chain. The largest species was Tyrannosaurus rex, one of the largest known land predators, which measured up to 12 meters (40 ft) in length and up to 10,000 kilograms (11.1 short tons) in weight. Other members are TarbosaurusAlbertosaurusGorgosaurus, and Lythronax.

2013 dinosaur 2 base

Gorgon the Gorgosaurus

Tyrannosaurids were bipedal carnivores with massive skulls filled with large teeth. Despite their large size, their legs were long and proportioned for fast movement. In contrast, their arms were very small, bearing only two functional digits.

212px-Gorgon

Gorgosaurus

Unlike most other groups of dinosaurs, very complete remains have been discovered for most known tyrannosaurids. This has allowed a variety of research into their biology. Scientific studies have focused on their ontogeny, biomechanics and ecology, among other subjects. Soft tissue, both fossilized and intact, has been reported from one specimen of Tyrannosaurus rex.
  • T-rexGo to Tyrannosaurus
  • GorgosaurusGo to Gorgosaurus
  • TarbosaurusGo to The Asian Cousin of T-rex

In Walking With... seriesEdit

Walking with DinosaursEdit

Death of a DynastyEdit

This episode is centered around a female tyrannosaurus and her attempts to raise a family. The episode  begins with a Didelphodon getting eaten by the dinosaur  in a failed attempt to rob the nest, but the eggs inside are already dead and the female goes calling out for a new mate. The male arrives, bearing a dead Triceratops and the female accepts him. After three days she drives the male away and starts a new nest. Only three chicks hatch and one of them is driven away or killed by its siblings soon afterwards.

Eventually, the female tyrannosaurus dies after fighting an Ankylosaurus and the last two chicks are killed in
180px-Wwdimpact-1-

Tyrannosaurus rex

the K-T extinction proper. Making the Mesozoic come to an abrupt end.

Sea MonstersEdit

In the last episode there is a cameo of a Tyrannosaurus roaring out to sea.

Chased by DinosaursEdit

The Giant ClawEdit

Nigel Marven encounters a Tarbosaurus during the second day of his search. He encounters another one at the end of the episode when the dinosaur confronts a male Therizinosaurus and is driven away by him.

Walking with Dinosaurs 3DEdit

Gorgosaurus was the main antagonist in this film.

Tarbosaurus2d-1-

Tarbosaurus

In Related MediaEdit

Prehistoric ParkEdit

Read more at the Prehistoric Park Wiki

A relative of Gorgosaurus known as Albertosaurus appears in the last episode rivaling Deinosuchus as the top predator and fighting over a carcass with it.

Tyrannosaurus is also seen in the series, and two have become residents in the park.

PrimevalEdit

Read more at the Anomaly Research Center

A Tyrannosaurus rex comes through a time anomaly in Season 5. Matt Anderson shoots it down before anyone gets hurt.

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