VertebratesAnatomyAnatomy, ComparativeZebrafishMolecular Sequence DataAnatomy, ArtisticGene Expression Regulation, DevelopmentalEvolution, MolecularBiological EvolutionEmbryo, NonmammalianChordata, NonvertebrateAmino Acid SequenceZebrafish ProteinsFishesBody PatterningAnatomy, Cross-SectionalLampreysReptilesDissectionBase SequenceHagfishesSpecies SpecificityInvertebratesModels, AnatomicSequence Homology, Amino AcidIn Situ HybridizationXenopus ProteinsSequence AlignmentAmphibiansConserved SequenceHomeodomain ProteinsChickensChordataCiona intestinalisSharksOryziasFossilsMammalsTakifuguGene DuplicationGenomePetromyzonXenopusCadaverAnimals, Genetically ModifiedLizardsImaging, Three-DimensionalDrosophila ProteinsMorphogenesisChick EmbryoDrosophilaXenopus laevisBirdsTranscription FactorsGenes, HomeoboxUrochordataCloning, MolecularJawFish ProteinsPhotoreceptor Cells, VertebrateExtremitiesModels, BiologicalMedical IllustrationTetraodontiformesSyntenyMesodermSignal TransductionLarvaDNA, ComplementarySkullRhombencephalonNervous SystemDinosaursAvian ProteinsAnatomy, RegionalHeadBrainAlligators and CrocodilesGastrulaMutationDrosophila melanogasterEctodermEyeNeural CrestAnatomy, VeterinarySkates (Fish)Sequence Analysis, DNARetinaEmbryonic DevelopmentTurtlesRNA, MessengerDNA-Binding ProteinsNerve Tissue ProteinsEmbryonic InductionMagnetic Resonance ImagingTomography, X-Ray ComputedSequence Homology, Nucleic AcidImage Processing, Computer-AssistedWnt ProteinsProtein Structure, Tertiary