eurypterid

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noun eu·ryp·ter·id \yu̇-ˈrip-tə-rəd\

Definition of eurypterid

  1. :  any of an order (Eurypterida) of usually large aquatic Paleozoic arthropods resembling scorpions and related to the horseshoe crabs —called also sea scorpion

eurypterid

adjective

Illustration of eurypterid

Origin and Etymology of eurypterid

ultimately from Greek eury- + pteron wing — more at feather


First Known Use: 1871


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