
1) Dutch musical trio 2) Maniraptor
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https://www.crosswordclues.com/clue/deinonychus

long-clawed carnivorous dinosaurs that flourished in western North America during the Early Cretaceous Period (99 million to 65 million years ago). A ... [3 related articles]
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http://www.britannica.com/eb/a-z/d/25

(pronounced die-NON-ni-kus) Deinonychus was a killer dinosaur, a dromaeosaurid , from the Cretaceous period , about 119 to 93 million years ago. This intelligent, bipedal, meat-eater was about 10 feet (3 m) long, weighed up to 175 pounds (80 kg), and had a 5 inch (13 cm) long, retractible, sickle-shaped claw on each middle toe. Its femur (thigh bon...
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Deinonychus was a carnivorous dinosaur of the Cretaceous period. Remains of Deinonychus were first discovered during the 1960's in southern Montana, USA. It was three metres long and 1.4 metres tall. A long tail aided balance as it ran. It had 12 cm long claws on its feet which were used for tearing flesh from its prey.
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http://www.probertencyclopaedia.com/browse/BD.HTM

[
n] - swift agile wolf-sized bipedal dinosaur having a large curved claw on each hind foot
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http://www.webdictionary.co.uk/definition.php?query=deinonychus
noun swift agile wolf-sized bipedal dinosaur having a large curved claw on each hind foot; of the Cretaceous
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https://www.encyclo.co.uk/local/20974

a small bipedal dinosaur, genus Deinonychus, of the Cretaceous Period, characterized by having a large, curved claw on each hind foot.
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https://www.infoplease.com/dictionary/deinonychus
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