Anchiornis vs Pachycephalosaurus

Anchiornis 与 Pachycephalosaurus 的详细并排对比，涵盖体型、食性、分类、地质时期和发现历史。

属性	Anchiornis	Pachycephalosaurus
学名	Anchiornis huxleyi	Pachycephalosaurus wyomingensis
分类	Theropoda	Pachycephalosauria
时代	Jurassic Late	Cretaceous Late
食性	Insectivore	Herbivore
体长	0.4 m	4.5 m
体重	0.2 m	1.8 m
体重	0 kg	450 kg
发现年份	2009	1943
发现地点	Tiaojishan Formation, China	Montana, USA
命名者	Xu Xing et al.	Barnum Brown & Erich Schlaikjer

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Anchiornis was a insectivore while Pachycephalosaurus was a herbivore.

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

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Pachycephalosaurus was discovered 66 years earlier, in 1943.

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Anchiornis belonged to Theropoda while Pachycephalosaurus belonged to Pachycephalosauria.

比较恐龙

Anchiornis huxleyi

0.4m long, 0.2m tall, 0.1kg · Jurassic Late

Pachycephalosaurus wyomingensis

4.5m long, 1.8m tall, 450.0kg · Cretaceous Late

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