MolluscaGastropodaBivalviaSnailsPolyplacophoraNautilusOctopodiformesBiomphalariaPernaAnnelidaInvertebratesPhylogenyAtlantic OceanEchinodermataMolluscacidesRNA, Ribosomal, 18SLymnaeaGenome, MitochondrialGene OrderDisease VectorsDNA, MitochondrialRiversSchistosoma mansoniBrazilEvolution, MolecularMolecular Sequence DataSequence Analysis, DNABiological EvolutionPopulation DensityRNA, TransferBase SequenceSpecies SpecificityDNA, RibosomalNucleic Acid ConformationMagnetic Resonance ImagingPrecancerous Conditions