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8 Cards in this Set
- Front
- Back
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Ornithopoda
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bipedal herbivores from early Jurassic to end of Cretaceous, the most successful dinosaurs, found on every continent
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features
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nutcracker teeth, low jaw joint, dental battery
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dryosaurids
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last group to have short arms, small, late Jurassic
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camptosaurids
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longer arms, quadrupedal locomotion was possible
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iguanodontids
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early Cretaceous, large mouth for food
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hadrosaurids
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the midst specialised, largest, quadrupedal when walking, bipedal when running, they have two groups, dental batteries.
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hadrosaurines
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hadrosaurids first group, non crested.
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lambeosaurines
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second group of hadrosaurids, crested, ranging from simple crowns to hollow projectiles. made out of the nasal cavity
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