Anchiornis vs Plateosaurus

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

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

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

Timeline Comparison

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

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.

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.

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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