Anchiornis vs Plateosaurus

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

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Side-by-Side Comparison

Property Anchiornis Plateosaurus
Scientific Name Anchiornis huxleyi Plateosaurus trossingensis
Classification Theropoda Sauropodomorpha
Period Jurassic Late Triassic Late
Diet Insectivore Herbivore
Length 0.4 m 8.0 m
Height 0.2 m 2.5 m
Weight 0 kg 700 kg
Discovery Year 2009 1837
Discovery Location Tiaojishan Formation, China Trossingen, Germany
Named By Xu Xing et al. Hermann von Meyer
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Size Comparison

Anchiornis 0.4 m

smaller than a human child

Plateosaurus 8.0 m

roughly the length of a large SUV

Weight Comparison

Anchiornis 0 kg

lighter than a human adult

Plateosaurus 700 kg

about 10 adult humans

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Timeline Comparison

Anchiornis
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
Plateosaurus
237.0 Mya Triassic Late (Mesozoic) 201.4 Mya
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Diet Comparison

Anchiornis

Insectivore

Anchiornis primarily fed on insects and other small invertebrates.

Plateosaurus

Herbivore

Plateosaurus was a plant-eater, feeding on vegetation like ferns, conifers, and cycads.

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Classification Comparison

Anchiornis

Clade: Saurischia

Group: Theropoda

(Beast feet)

Plateosaurus

Clade: Saurischia

Group: Sauropodomorpha

(Lizard-footed forms)

Both dinosaurs share a common ancestor within the Saurischia clade.

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Did You Know?

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Plateosaurus was about 20.0x longer than Anchiornis.

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Plateosaurus weighed roughly 7000x more than Anchiornis.

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Anchiornis was a insectivore while Plateosaurus was a herbivore.

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Anchiornis lived during the Jurassic Late while Plateosaurus lived during the Triassic Late, separated by roughly 92 million years.

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Plateosaurus was discovered 172 years earlier, in 1837.

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Anchiornis belonged to Theropoda while Plateosaurus belonged to Sauropodomorpha.

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