Round 1: Tossup 3

This class includes the subfamily Anguinae, whose members like the slow worm can be distinguished from similar organisms by the presence of external ear openings. This (-5[1])class contains the most prevalent (0[1])animals with parietal (“puh-RYE-uh-tul”) third eyes, including a “living fossil” species called the tuatara. (-5[1])This non-mammalian class contains the animal with the strongest measured (*) bite force. An extinct order in this class that was the first (-5[2])group of vertebrates to evolve powered flight was the pterosaurs (“TAIR-uh-sores”). For 10 points, name this class of vertebrates that includes crocodilians, snakes, and lizards. (10[1])■END■ (10[3])

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