Uberon definition : Skeletal element within the mouth (or in some species, upper part of the digestive
tract) that is composed of dentine and is used in procuring or masticating food.;
Uberon Homology note : The ancestor of recent vertebrate teeth was a tooth-like structure on the outer body
surface of jawless fishes.[well established][VHOG];
Uberon Taxon note : absent in living platypus, present in toothed Miocene platypus Obduron dicksoni;
Skeletal element within the mouth (or in some species, upper part of the digestive
tract) that is composed of dentine and is used in procuring or masticating food.