| 11. | Eusauropoda are herbivorous, quadrupedal, and have long necks.
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| 12. | A few birds use quadrupedal movement in some circumstances.
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| 13. | Quadrupedal primate walking can be done on the palms.
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| 14. | The trackmaker of " Atreipus " prints was a quadrupedal ornithischian.
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| 15. | His dream is to advance bipedal and quadrupedal robotics to a supernatural state.
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| 16. | "Charassognathus " was a quadrupedal predator.
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| 17. | Phalangeriformes are quadrupedal diprotodont marsupials with long tails.
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| 18. | The mountain gorilla is primarily terrestrial and quadrupedal.
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| 19. | Ornithopods this basal were incapable of quadrupedal movement.
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| 20. | The bipedal mode of walking is fifty percent more efficient than quadrupedal ape locomotion.
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