Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Arthropods (Arthropoda)
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Chelicerates (Chelicerata)
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Horseshoe Crabs (Merostomata)
Class Merostomata - Horseshoe Crabs
Xiphosura
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Eurypterida
Order Xiphosura
Order Eurypterida