Tyrannosaurus Rex vs Yutyrannus

A detailed side-by-side comparison of Tyrannosaurus Rex and Yutyrannus, covering size, diet, classification, geologic period, and discovery history.

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Side-by-Side Comparison

Property Tyrannosaurus Rex Yutyrannus
Scientific Name Tyrannosaurus rex Yutyrannus huali
Classification Tyrannosauridae Tyrannosauridae
Period Cretaceous Late Cretaceous Early
Diet Carnivore Carnivore
Length 12.3 m 9.0 m
Height 3.7 m 3.0 m
Weight 8.4 t 1.4 t
Discovery Year 1905 2012
Discovery Location Montana, USA Liaoning Province, China
Named By Henry Fairfield Osborn Xu Xing et al.
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Size Comparison

Tyrannosaurus Rex 12.3 m

about as long as 2 cars end-to-end

Yutyrannus 9.0 m

roughly the length of a large SUV

Weight Comparison

Tyrannosaurus Rex 8.4 t

about the weight of 1.4 elephants

Yutyrannus 1.4 t

comparable to 1.4 small cars

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Timeline Comparison

Tyrannosaurus Rex
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya
Yutyrannus
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya
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Diet Comparison

Tyrannosaurus Rex

Carnivore

Tyrannosaurus Rex was a meat-eating predator, hunting other animals for food.

Yutyrannus

Carnivore

Yutyrannus was a meat-eating predator, hunting other animals for food.

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Classification Comparison

Tyrannosaurus Rex

Clade: Theropoda

Group: Tyrannosauridae

(Tyrant lizards)

Yutyrannus

Clade: Theropoda

Group: Tyrannosauridae

(Tyrant lizards)

Both dinosaurs share a common ancestor within the Tyrannosauridae clade.

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Did You Know?

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Tyrannosaurus Rex weighed roughly 6x more than Yutyrannus.

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Both Tyrannosaurus Rex and Yutyrannus were carnivores.

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Tyrannosaurus Rex lived during the Cretaceous Late while Yutyrannus lived during the Cretaceous Early, separated by roughly 79 million years.

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Tyrannosaurus Rex was discovered 107 years earlier, in 1905.

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Both belong to the Tyrannosauridae clade, making them relatively close relatives.

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Compare With Other Dinosaurs

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