A taxonomic group or classification for animals having two sets of teeth; an older name for diphyodonts.
Latin neuter plural of 'duplicidentatus', combining 'dupli-' (double) and 'dentatus' (toothed). This is a formal scientific classification term from zoological nomenclature.
Before modern phylogenetics, scientists grouped animals by their tooth patterns—'Duplicidentata' was once used to classify all mammals that had baby and adult teeth, showing how classification systems evolve.
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