12 answers, 2:30 on the clock. One clue at a time; tap the matching tile in the bank below. Solve as many as you can; time is the tiebreak.
These prehistoric giants each roamed during one of three great geological periods.
About this quiz
These prehistoric giants each roamed during one of three great geological periods.
A matching game: one prompt at a time, with every answer laid out in a bank below it.
Filed under Science & Nature with 12 answers to get and 2:30 on the clock. Free to play, no sign up needed, and your score goes on the leaderboard.
Source: Natural History Museum / Smithsonian
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