Edmontosaurus vs Parasaurolophus

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

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属性 Edmontosaurus Parasaurolophus
学名 Edmontosaurus regalis Parasaurolophus walkeri
分类 Hadrosauridae Hadrosauridae
时代 Cretaceous Late Cretaceous Late
食性 Herbivore Herbivore
体长 12.0 m 9.5 m
体重 3.4 m 2.8 m
体重 4.0 t 2.5 t
发现年份 1917 1922
发现地点 Edmonton, Alberta, Canada Sand Creek, Alberta, Canada
命名者 Lawrence Lambe William Parks
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Edmontosaurus 12.0 m

about as long as 2 cars end-to-end

Parasaurolophus 9.5 m

roughly the length of a large SUV

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Edmontosaurus 4.0 t

comparable to 4.0 small cars

Parasaurolophus 2.5 t

comparable to 2.5 small cars

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Edmontosaurus
100.5 百万年前 Cretaceous Late (Mesozoic) 66.0 百万年前
Parasaurolophus
100.5 百万年前 Cretaceous Late (Mesozoic) 66.0 百万年前

Edmontosaurus 和 Parasaurolophus 都生活在 Cretaceous Late 纪，可能共享相同的栖息地。

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Edmontosaurus

Herbivore

Edmontosaurus 是草食性恐龙，以蕨类植物、针叶树和苏铁等植被为食。

Parasaurolophus

Herbivore

Parasaurolophus 是草食性恐龙，以蕨类植物、针叶树和苏铁等植被为食。

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分类

Edmontosaurus

演化支： Ornithischia

类群： Hadrosauridae

(鸭嘴恐龙)

Parasaurolophus

演化支： Ornithischia

类群： Hadrosauridae

(鸭嘴恐龙)

两只恐龙在 Hadrosauridae 演化支内拥有共同祖先。

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主要差异

  • Edmontosaurus (12 m, ~4,000 kg) was larger and heavier than Parasaurolophus (9.5 m, ~2,500 kg).
  • Parasaurolophus had a dramatic hollow cranial crest for vocalization; Edmontosaurus had a low soft-tissue crest or comb with no hollow resonating structure.
  • Edmontosaurus had one of the largest dental batteries of any dinosaur — hundreds of teeth for grinding tough vegetation.
  • Both were Late Cretaceous hadrosaurs that lived alongside T. rex and were likely among its prey.
  • Mummified Edmontosaurus specimens preserve detailed skin impressions; Parasaurolophus skin is less well-known.
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你知道吗？

💡

Both Edmontosaurus and Parasaurolophus were herbivores.

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Both dinosaurs lived during the Cretaceous Late period and may have coexisted.

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Edmontosaurus was discovered 5 years earlier, in 1917.

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

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比较恐龙

Edmontosaurus

Edmontosaurus regalis

12.0m long, 3.4m tall, 4.0t · Cretaceous Late

Parasaurolophus

Parasaurolophus walkeri

9.5m long, 2.8m tall, 2.5t · Cretaceous Late

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