 Hadziella deminuta HYDROBIIDAE |
 Hadziella ephippiostoma HYDROBIIDAE |
 Hauffenia subpiscinalis HYDROBIIDAE |
 Hauffenia tellinii HYDROBIIDAE |
 Heleobia aponensis HYDROBIIDAE |
 Heleobia foxianensis HYDROBIIDAE |
 Heleobia spinellii HYDROBIIDAE |
 Heleobia stagnorum HYDROBIIDAE |
 Helicigona lapicida HELICIDAE |
 Helicodiscus riparbellii HELICODISCIDAE |
 Helicodiscus singleyanus HELICODISCIDAE |
 Helicodonta angigyra HYGROMIIDAE |
 Helicodonta obvoluta HYGROMIIDAE |
 Helicotricha carusoi HYGROMIIDAE |
 Helisoma duryi PLANORBIDAE |
 Helix cincta HELICIDAE |
 Helix delpretiana HELICIDAE |
 Helix ligata HELICIDAE |
 Helix lucorum HELICIDAE |
 Helix melanostoma HELICIDAE |
 Helix mileti HELICIDAE |
 Helix pomatia HELICIDAE |
 Hippeutis complanatus PLANORBIDAE |
 Hohenwartiana aradasiana FERUSSACIIDAE |
 Hohenwartiana hohenwarti FERUSSACIIDAE |
 Hydrobia acuta HYDROBIIDAE |
 Hydrobia ventrosa HYDROBIIDAE |
 Hygromia cinctella HYGROMIIDAE |
 Hypnophila bisacchii COCHLICOPIDAE |
 Hypnophila cylindracea COCHLICOPIDAE |
 Hypnophila dohrni COCHLICOPIDAE |
 Hypnophila emiliana COCHLICOPIDAE |
 Hypnophila girottii COCHLICOPIDAE |
 Hypnophila incerta COCHLICOPIDAE |
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