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    DeBellm's Avatar
    DeBellm Posts: 1, Reputation: 1
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    #1

    Jul 7, 2015, 05:15 PM
    Therapod mouth morphology
    I often see depictions of the larger therapod dinosaurs such as T Rex, Allosarus and such with the upper teeth extending over the lower lip and exposed. But I have noticed in photos that there seems to be holes running along the upper edge of the lower jaws. I was woundering if they might have had a lower lip that covered the upper teeth when the mouth was fully closed as in modern lizards. I like to draw animals, including dinosaurs, as accruately as possible.
    tickle's Avatar
    tickle Posts: 23,801, Reputation: 2674
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    #2

    Jul 8, 2015, 11:17 AM
    Theropods were eating machines. Their teeth and jaw structure were designed for optimum ripping and tearing, therefore the tremendous over bite of steak-knife teeth. Bottom lips would hinder. Draw them as they are depicted which amounts to years of study coming to the conclusion that they were made that way for a purpose.

    You might take note of crocodiles with their overbite and this animal hasn't changed much in a million years.

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