InvertebratesGangliaRetinal Ganglion CellsGanglia, SpinalBasal GangliaGanglia, SympatheticGanglia, AutonomicTrigeminal GanglionGanglia, ParasympatheticPhylogenyGanglia, SensoryGanglia, InvertebrateStellate GanglionMolecular Sequence DataVertebratesSpiral GanglionNodose GanglionAnnelidaCnidariaEchinodermataRNA, Ribosomal, 16SPoriferaMolluscaBacteroidetesSuperior Cervical GanglionBacteriaChordata, NonvertebrateEvolution, MolecularArthropodsNeuronsSequence Analysis, DNACrustaceaDNA, RibosomalBasal Ganglia DiseasesUrochordataAmino Acid SequenceAquatic OrganismsPlatyhelminthsBiodiversityRetinaBiological EvolutionSpecies SpecificityHydrozoaPolychaetaGeniculate GanglionBivalviaAxonsBase SequenceCiona intestinalisGastropodaSequence AlignmentSequence Homology, Amino AcidNeurons, AfferentEcosystemMarine BiologyLeechesChordataBryozoaMetagenomeChloroflexiDNA, BacterialSeawaterInsectsPhotoreceptor Cells, InvertebrateGenes, rRNAOligochaetaBrachyuraAmphipodaSea CucumbersAction PotentialsApicomplexaGene Expression Regulation, DevelopmentalLarvaLymnaeaDrosophila melanogasterInvertebrate HormonesProteobacteriaGeologic SedimentsRotiferaEukaryotaBase CompositionSea AnemonesOptic NerveCtenophoraIn Situ HybridizationDrosophila ProteinsNematodaBiotaSnailsNephropidaeDrosophilaConserved SequenceOceans and SeasAutonomic Fibers, PreganglionicSensory Receptor CellsEmbryo, NonmammalianCytophagaOctopamineNerve Tissue ProteinsHemocytes