Tomography, X-RayFossilsVertebratesPaleontologyFossil FuelsBiological EvolutionAmberHominidaeDinosaursExtinction, BiologicalPaleodontologyEvolution, MolecularReptilesZebrafishPhylogenyMolecular Sequence DataInvertebratesGeologyFishesGeological PhenomenaHistory, AncientSkullGene Expression Regulation, DevelopmentalDentitionMammalsToothEmbryo, NonmammalianAmino Acid SequenceBirdsSpecies SpecificityChordata, NonvertebrateZebrafish ProteinsBody PatterningHagfishesBase SequenceLampreys