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Need synonyms for eurypterid? Here's a list of similar words from our thesaurus that you can use instead.
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 Noun
 
A large, prehistoric, carnivorous arthropod, of the class †Eurypterida, thought to be one of the first animals to venture onto land 
      “A researcher at the University of Manchester has reported finding slit-like structures and book lungs on some eurypterid fossils.” 
  
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