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      Question

      Which fossil species, discovered in Alberta, Canada,

      filled a 30-million-year gap in dragonfly evolution?
      A Odonata primitiva Correct Answer Incorrect Answer
      B Meganeura borealis Correct Answer Incorrect Answer
      C Cordualadensa acorni Correct Answer Incorrect Answer
      D Albertae libella Correct Answer Incorrect Answer
      E Draconia cretacea Correct Answer Incorrect Answer

      Solution

      The fossil Cordualadensa acorni, discovered in Dinosaur Provincial Park, Alberta, dates back 75 million years to the Cretaceous Period. It is the first dragonfly fossil found in dinosaur-era rock in Canada and represents a new species, named in honor of entomologist John Acorn.

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