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The Cretaceous World

The Cretaceous World

The Cretaceous World

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Uenlagia (“half-bird”)<br />

Several features of Unenlagia<br />

(originally described from<br />

Upper <strong>Cretaceous</strong> of<br />

Argentina) are more birdlike<br />

than in any other non-avian<br />

theropod so far discovered.<br />

<strong>The</strong> evidence suggests that it<br />

could flap its arm, although<br />

Unenlagia was much too heavy<br />

to fly with such a short wing.

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