Edmontosaurus vs Parasaurolophus
Edmontosaurus と Parasaurolophus のサイズ、食性、分類、地質時代、発見の歴史を詳しく並べて比較します。
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| 属性 | Edmontosaurus | Parasaurolophus |
|---|---|---|
| 学名 | Edmontosaurus regalis | Parasaurolophus walkeri |
| 分類 | Hadrosauridae | Hadrosauridae |
| 時代 | Cretaceous Late | Cretaceous Late |
| 食性 | Herbivore | Herbivore |
| 全長 | 12.0 m | 9.5 m |
| 体重 | 3.4 m | 2.8 m |
| 体重 | 4.0 t | 2.5 t |
| 発見年 | 1917 | 1922 |
| 発見場所 | Edmonton, Alberta, Canada | Sand Creek, Alberta, Canada |
| 命名者 | Lawrence Lambe | William Parks |
さらに比較
Edmontosaurus
12.0 m
about as long as 2 cars end-to-end
Parasaurolophus
9.5 m
roughly the length of a large SUV
さらに比較
Edmontosaurus
4.0 t
comparable to 4.0 small cars
Parasaurolophus
2.5 t
comparable to 2.5 small cars
さらに比較
Edmontosaurus
Parasaurolophus
Edmontosaurus と Parasaurolophus はともに Cretaceous Late 紀に生息しており、同じ生息地を共有していた可能性があります。
さらに比較
Edmontosaurus
HerbivoreEdmontosaurus はシダ、針葉樹、ソテツなどの植物を食べる草食恐竜でした。
Parasaurolophus
HerbivoreParasaurolophus はシダ、針葉樹、ソテツなどの植物を食べる草食恐竜でした。
分類
Edmontosaurus
Parasaurolophus
両恐竜は Hadrosauridae クレード内に共通の祖先を持っています。
主な相違点
- 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.
ご存知でしたか？
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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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