ディノニクス　Deinonychus　オーストラリア恐竜大陸

Deinonychus

 

 

 

 

 

 

 

 

 

 

 

 

 

 

和名：ディノニクス

世界共通発音：ダイノナイカス　die-noh-nye-kus

命名意味：Terrible Claw

分類所属：

Sourischia / Theropoda / Tetanurae / Eumanuraptora / Deinonychosauria

/ Family: Dromaeosauridae

First Discrived: 1964 / Found: North America：USA / Length 3m / Weight: 50kg

/ Food:Meat / Young: Eggs / Lived: Early Cretaceous: 124－110 mya

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恐竜説明：

Fossils of 'Terrrible Claw' have been found in the western states of the United States. The remains of nine skeletons have been unearthed from the Morrison Formation of Montana, Oklahoma and Utah. There is doubt about finds from Maryland, and one from Korea is now thought more likely to be a Velociraptor. Deinonychus and Velociroptor are very closely related and seem to be found in what were the same sorts of environments

in North America and Asia. In the United States, Deinonychus has been found with freshwater turtles, crocodiles and plant‑eating sauropods. Forest glades bordered small lakes, and the herds of sauropods provided many opportu­ities as food for this near perfect predator.

Deinonychus was fairly small, with a large head, short neck and stiffened tail. The arms were strong, with three long‑clawed fingers for slashing and tearing at its prey. The hind limbs were also potential     weapons of destruction with a huge 13cm movable claw on the second toe of each. While this fearsome dinosaur was running, the claw was held off the ground, but in attack it would be rotated downwards and viciously driven home as the predator lunged or jumped at the terrified victim.

大きさ比較：

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