Scientific Classification
Kingdom Animalia
Phylum Chordata
Class Reptilia
Order Saurischia
Family Dromaeosauridae
Genus Deinonychus
Deinonychus antirrhopus by patriatyrannus

An artist's wiew of Deinonychus

Deinonychus is a genus of carnivorous Dromaeosaurids that lived in the Cretaceous period 115–108 million years ago. Only species that has been described is D. antirrhopus.

Characteristics                    Edit

Deinonychus most probably had feathers as many other Dromaeosarids; geologically older microraptor and very closely related,  geologically younger Velociraptor mongoliensis -- are known to have had feathers. Even its anatomy was extremely birdlike and there has even been speculation that Dromaeosaurids evolved from tree-dwelling, small dinosaurs -- a group that also branched to become birds. 

It grew to around 3.4 metres (11 ft. 2 in.) long, and would weigh around 73 kilograms.


The skull of Deinonychus is broader than that of some other Dromaeosaurids, suggesting that it used its jaws to hunt, rather than its 12cm hooked claw. It is tought that it was higly social animal that hunted in packs, making it able to bring down large prey like Tenantosaurus.

A pack of Deinonychus hunting Tenantosaurus - a species that has been found near Deinonychus remains.

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