Anchiornis vs Therizinosaurus

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

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Side-by-Side Comparison

Propriรฉtรฉ Anchiornis Therizinosaurus
Nom scientifique Anchiornis huxleyi Therizinosaurus cheloniformis
Classification Theropoda Theropoda
Pรฉriode Jurassic Late Cretaceous Late
Alimentation Insectivore Herbivore
Longueur 0.4 m 10.0 m
Height 0.2 m 4.0 m
Poids 0 kg 5.0 t
Annรฉe de dรฉcouverte 2009 1954
Lieu de dรฉcouverte Tiaojishan Formation, China Nemegt Formation, Mongolia
Nommรฉ par Xu Xing et al. Evgeny Maleev
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Size Comparison

Anchiornis 0.4 m

smaller than a human child

Therizinosaurus 10.0 m

about as long as 2 cars end-to-end

Weight Comparison

Anchiornis 0 kg

lighter than a human adult

Therizinosaurus 5.0 t

about the weight of 0.8 elephants

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Timeline Comparison

Anchiornis
161,5 Mya Jurassic Late (Mesozoic) 145,0 Mya
Therizinosaurus
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.

Therizinosaurus

Herbivore

Therizinosaurus 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)

Therizinosaurus

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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Therizinosaurus was about 25.0x longer than Anchiornis.

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Therizinosaurus weighed roughly 50000x more than Anchiornis.

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Anchiornis was a insectivore while Therizinosaurus was a herbivore.

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

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Therizinosaurus was discovered 55 years earlier, in 1954.

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

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