Abstract
Abstract Arrangement and morphology of teeth in larval and metamorphic Triturus vulgaris meridionalis were studied at the scanning electron microscope and compared with adult and neothenic newts. Monocuspid larval teeth are monostichous on margin of jaws and polystichous on palatine and coronoid bone. They are substituted during metamorphosis by bicuspid teeth arranged in a single row on margin of the jaws and in a double row on the vomerine bones. Bicuspid teeth have initially the same shape but later are dimorphic, according to their distribution in the mouth. The variation of tooth morphology is discussed and correlated with feeding strategies.
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