Anchiornis vs Sinosauropteryx

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

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Side-by-Side Comparison

Property Anchiornis Sinosauropteryx
Scientific Name Anchiornis huxleyi Sinosauropteryx prima
Classification Theropoda Theropoda
Period Jurassic Late Cretaceous Early
Diet Insectivore Carnivore
Length 0.4 m 1.0 m
Height 0.2 m 0.3 m
Weight 0 kg 1 kg
Discovery Year 2009 1996
Discovery Location Tiaojishan Formation, China Liaoning Province, China
Named By Xu Xing et al. Ji Qiang & Ji Shu-An
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Size Comparison

Anchiornis 0.4 m

smaller than a human child

Sinosauropteryx 1.0 m

smaller than a human child

Weight Comparison

Anchiornis 0 kg

lighter than a human adult

Sinosauropteryx 1 kg

lighter than a human adult

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Timeline Comparison

Anchiornis
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
Sinosauropteryx
145.0 Mya Cretaceous Early (Mesozoic) 100.5 Mya
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Diet Comparison

Anchiornis

Insectivore

Anchiornis primarily fed on insects and other small invertebrates.

Sinosauropteryx

Carnivore

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

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Classification Comparison

Anchiornis

Clade: Saurischia

Group: Theropoda

(Beast feet)

Sinosauropteryx

Clade: Saurischia

Group: Theropoda

(Beast feet)

Both dinosaurs share a common ancestor within the Theropoda clade.

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Did You Know?

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Sinosauropteryx was about 2.5x longer than Anchiornis.

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Sinosauropteryx weighed roughly 6x more than Anchiornis.

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Anchiornis was a insectivore while Sinosauropteryx was a carnivore.

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Anchiornis lived during the Jurassic Late while Sinosauropteryx lived during the Cretaceous Early, separated by roughly 0 million years.

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Sinosauropteryx was discovered 13 years earlier, in 1996.

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

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Compare With Other Dinosaurs

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