Therizinosaurus
Order: Saurischia · Suborder: Theropoda · Family: Therizinosauridae
Fragmentary remains of Therizinosaurus were discovered in southern Mongolia. A late Cretaceous dinosaur, its skeletal structure (other than an arm) remains a mystery. This dinosaur had sickle-shaped claws over 2 feet (0.6 meters) long. It may have used this formidable weapon for attacking and butchering its prey, or digging up huge ant nests.
Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.
Frequently asked questions
What does Therizinosaurus mean?
The name Therizinosaurus means “Scythe Lizard”. It is pronounced thair-uh-ZEEN-uh-SAWR-us.
Was Therizinosaurus a carnivore or a herbivore?
Therizinosaurus was a herbivore.
How big was Therizinosaurus?
Therizinosaurus was about 36 feet (11 meters) long, around 15 feet (4.6 meters) tall.
Related dinosaurs
Other dinosaurs from the Therizinosauridae family.
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