Polacanthus ("many thorns") is a genus of ankylosaurian dinosaur.
In the books[]
Dinotopia: A Land Apart from Time[]
Arthur and Will Denison saw a Polacanthus near the Polongo River.[1]
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Polacanthus ("many thorns") is a genus of ankylosaurian dinosaur.
Arthur and Will Denison saw a Polacanthus near the Polongo River.[1]