Therizinosaurs
stood out thanks to their unusually goofy appearance, with feathers,
pot bellies, gangly limbs and long, and sickle like claws on their front
hands. Even more bizarrely, these dinosaurs seem to have pursued a
herbivorous diet in sharp contrast to their
strictly meat-eating cousins.
Therizinosaurus had a small head with a beaked mouth, atop a
long neck. It was bipedal and had a large, heavy, deep body, as
evidenced by the wide pelvis, 8 foot long arms and legs that
ended in four toes (three of which supported the animal's weight),
which were tipped by short, curved claws. The most distinctive feature
of the animal was the presence of three gigantic claws on its front
limbs. Each of the three digits of its hand bore these claws, which
reached nearly 2-3 feet in length. The largest
claw was on the first digit.
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