EN
Species composition and structure of the malacocoenosis of the park in Obrzycko are described. Thirty species of terrestrial snails were identified, with Arianta arbustorum as superdominant, and eudominants represented by Succinea putris and Helix pomatia. The dominants included Clausilia bidentata, Arion subfuscus, Trichia hispida and Cochlicopa lubrica. The malacocoenosis is polymictic; the indices of species diversity (H’=3.11) and equitability (J’=0.63) are high. Synanthropic and euryoecious species prevail; biogeographically European and Holarctic species are the most numerous.