The taxonomic structure of the macrozoobenthos 11 springs Grodno region has been established. There were identified 53 lower definable taxon (LDT) belonging to 4 types aquatic invertebrates: Platyhelminthes – 1 LDT, Mollusca 10, Annelida 5, Arthropoda 37 LDT. Among animals, 23 species first noted for region. fauna studied invertebrates represented by rare and protected animals not only in Belar...