NematodaDracunculoideaSpirurida InfectionsStrongylidaAscaridida InfectionsAscaridoideaOxyuroideaAir SacsAnguillaSpiruroideaAscarididaHelminthiasis, AnimalOxyuriasisAnisakisNematode InfectionsAngiostrongylus cantonensisPhylogenyMetastrongyloideaTylenchidaAnisakiasisPaleopathologyAtelidaeDNA, HelminthRhabditidaRiversGenome, HelminthOesophagostomumMansonelliasisSetariasisCestodaSetaria NematodeMurinaeMermithoideaFish DiseasesEnoplida InfectionsMansonellaAscaridiaTrichostrongyloideaTardigradaOesophagostomiasisStrongylida InfectionsFilarioideaArgentinaInvertebratesSequence Analysis, DNAFishesBiological EvolutionLarvaSpecies SpecificityMuscle, StriatedTrichostrongylusHeligmosomatoideaBrazilRodent DiseasesDNA, Ribosomal SpacerGnathostomaFossilsEvolution, MolecularParasitesTrichinella spiralisGenome, MitochondrialFresh WaterCrustaceaCyprinidaeAntinematodal AgentsAscaris suumMolecular Sequence DataBiodiversityCaenorhabditisHost-Parasite InteractionsMicroscopy, Electron, ScanningNematospiroides dubiusDNA, RibosomalDinosaursRNA, Ribosomal, 16SHelminth ProteinsPaleontologyEcosystemGeographyBase SequenceArthropodsSeasonsExtinction, BiologicalDNA Barcoding, TaxonomicBacteriaGenetic VariationAngiospermsBirdsLikelihood FunctionsRNA, Ribosomal, 18SDNA, BacterialGenes, rRNARNA, Ribosomal, 28SOceans and SeasTreesAnatomy, ComparativeBayes TheoremDNA, ChloroplastMetagenomeModels, Genetic