Iguanodontians lacked teeth on their premaxillaries, yet the rest of their teeth are clearly adapted for tearing and chewing plant mater-ial.
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Iguanodontians lacked teeth on their premaxillaries, yet the rest of their teeth are clearly adapted for tearing

and chewing plant mater-ial. Assuming an iguanodontian pulled plant material into its mouth using teeth from the dentary but none on the premaxillary, what might their toothmarks on the plants have looked like, especially in com-parison to herbivores that have incisors for shearing on both upper and lower jawbones? What modern animals have a similar adapta-tion to feeding and what do their toothmarks on plants look like?

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