dignathic
heterodont tooth morphology, differing in shape in the upper and lower jaws

Dictionary of ichthyology. 2009.

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  • heterodont — more than one type of teeth within the same fish, e.g. Anarhichadidae, Heterodontus. Dignathic heterodonty has teeth differing in the upper and lower jaws, monognathic heterodonty within one jaw …   Dictionary of ichthyology

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