Anchiornis vs Carnotaurus

A detailed side-by-side comparison of Anchiornis and Carnotaurus, covering size, diet, classification, geologic period, and discovery history.

Side-by-Side Comparison

Property Anchiornis Carnotaurus
Scientific Name Anchiornis huxleyi Carnotaurus sastrei
Classification Theropoda Theropoda
Period Jurassic Late Cretaceous Late
Diet Insectivore Carnivore
Length 0.4 m 7.5 m
Height 0.2 m 2.5 m
Weight 0 kg 1.4 t
Discovery Year 2009 1985
Discovery Location Tiaojishan Formation, China Chubut Province, Argentina
Named By Xu Xing et al. Jose Bonaparte

Size Comparison

Anchiornis 0.4 m

smaller than a human child

Carnotaurus 7.5 m

roughly the length of a large SUV

Weight Comparison

Anchiornis 0 kg

lighter than a human adult

Carnotaurus 1.4 t

comparable to 1.4 small cars

Timeline Comparison

Anchiornis
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
Carnotaurus
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya

Diet Comparison

Anchiornis

Insectivore

Anchiornis primarily fed on insects and other small invertebrates.

Carnotaurus

Carnivore

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

Classification Comparison

Anchiornis

Clade: Saurischia

Group: Theropoda

(Beast feet)

Carnotaurus

Clade: Saurischia

Group: Theropoda

(Beast feet)

Both dinosaurs share a common ancestor within the Theropoda clade.

Did You Know?

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Carnotaurus was about 18.8x longer than Anchiornis.

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Carnotaurus weighed roughly 13500x more than Anchiornis.

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Anchiornis was a insectivore while Carnotaurus was a carnivore.

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Anchiornis lived during the Jurassic Late while Carnotaurus lived during the Cretaceous Late, separated by roughly 44 million years.

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Carnotaurus was discovered 24 years earlier, in 1985.

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

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