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| a semiaquatic reptile of Central and South America that resembles an alligator but has a more heavily armored belly | |||
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| large voracious aquatic reptile having a long snout with massive jaws and sharp teeth and a body covered with bony plates; of sluggish tropical waters | |||
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| extant archosaurian reptile | |||
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| either of two amphibious reptiles related to crocodiles but with shorter broader snouts |