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Eurypterid chelicera: Pterygotus anglicus Agassiz
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Eurypterid chelicera: Pterygotus anglicus Agassiz. Devonian. Atholville, New Brunswick. Collector: R.F. Miller, 1996. New Brunswick Museum (NBMG 10239). Image width 18 cm. Sea scorpions had claws on the end of a pair of long legs. They were active swimmers and may have used the claws to grasp prey like small fish.
