50      () 50      ( -  1) 50      ( -  2) 50      ( -  3) 50      (  -  1) 50      (  -  2) 50      (  -  3) 50      (  -  4) 50      (  -  5) 50      (  -  6) 50      (   -  1) 50      (   -  2) 50      (   -  3) 50      (   -  4) 50      (Helix pomatia) 50      (Helix lutescens) 50      (Cepaea hortensis) 50      (Cepaea nemoralis) 50      (Cepaea vindobonensis) 50      (Fruticicola fruticum) 50      (Arianta arbustorum) 50      (Faustina faustina) 50      (Euomphalia strigella) 50      (Pseudotrichia rubiginosa) 50      (Trochulus hispidus) 50      (Plicuteria lubomirskii) 50      (Perforatella bidentata) 50      (Isognomostoma isognomostomum) 50      (Monacha cartusiana) 50      (Xerolenta obvia) 50      (Chondrula tridens) 50      (Brephulopsis cylindrica) 50      (Laciniaria plicata) 50      (Cochlodina laminata) 50      (Discus rotundatus) 50     50     50      (Zonitoides nitidus) 50      (Limax cinereoniger) 50      (Limax maximus) 50      (Bielzia coerulans) 50      (Arion lusitanicus) 50      (Arion subfuscus) 50      (Deroceras reticulatum) 50      (Krynickillus melanocephalus) 50      (Lymnaea stagnalis) 50      (Lymnaea palustris) 50      (Lymnaea corvus) 50      (Lymnaea auricularia) 50      (Lymnaea ampla) 50      (Lymnaea ovata) 50      (Lymnaea peregra) 50      (Lymnaea truncatula) 50      (Planorbarius corneus) 50      (Planorbis planorbis) 50      (Anisus vortex) 50      (Viviparus viviparus) 50      (Viviparus contectus) 50      (Bithynia tentaculata) 50      (Anodonta anatina) 50      (Unio pictorum) 50      (Unio tumidus) 50      (Sphaerium corneum) 50      (Musculium lacustre) 50      ( ) 50      (     ) 50      ( )