Anchiornis vs Triceratops

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

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Side-by-Side Comparison

Property Anchiornis Triceratops
Scientific Name Anchiornis huxleyi Triceratops horridus
Classification Theropoda Ceratopsia
Period Jurassic Late Cretaceous Late
Diet Insectivore Herbivore
Length 0.4 m 9.0 m
Height 0.2 m 3.0 m
Weight 0 kg 6.8 t
Discovery Year 2009 1889
Discovery Location Tiaojishan Formation, China Denver, Colorado, USA
Named By Xu Xing et al. Othniel Charles Marsh
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Size Comparison

Anchiornis 0.4 m

smaller than a human child

Triceratops 9.0 m

roughly the length of a large SUV

Weight Comparison

Anchiornis 0 kg

lighter than a human adult

Triceratops 6.8 t

about the weight of 1.1 elephants

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Timeline Comparison

Anchiornis
161.5 Mya Jurassic Late (Mesozoic) 145.0 Mya
Triceratops
100.5 Mya Cretaceous Late (Mesozoic) 66.0 Mya
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Diet Comparison

Anchiornis

Insectivore

Anchiornis primarily fed on insects and other small invertebrates.

Triceratops

Herbivore

Triceratops 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)

Triceratops

Clade: Ornithischia

Group: Ceratopsia

(Horned faces)

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Did You Know?

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Triceratops was about 22.5x longer than Anchiornis.

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Triceratops weighed roughly 68000x more than Anchiornis.

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Anchiornis was a insectivore while Triceratops was a herbivore.

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

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Triceratops was discovered 120 years earlier, in 1889.

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Anchiornis belonged to Theropoda while Triceratops belonged to Ceratopsia.

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