Ancylus orbicularis Held, 1837 accepted as Ancylus fluviatilis O. F. Müller, 1774 (original description)
Anguispira (Patula) Held, 1838 accepted as Discus Fitzinger, 1833 (original description)
Anodonta luxata Held, 1837 (original description)
Cepaea Held, 1838 (original description)
Cingulifera Held, 1838 accepted as Chilostoma (Cingulifera) Held, 1838 represented as Chilostoma Fitzinger, 1833 (original description)
Clausilia marginata Held, 1836 accepted as Cochlodina orthostoma (Menke, 1828) accepted as Paracochlodina orthostoma (Menke, 1828) (additional source)
Clausilia torquata Held, 1837 accepted as Cochlodina orthostoma (Menke, 1828) accepted as Paracochlodina orthostoma (Menke, 1828) (original description)
Coenatoria Held, 1838 accepted as Helix Linnaeus, 1758 (original description)
Corneola Held, 1838 (original description)
Fruticicola Held, 1838 (original description)
Gonodon Held, 1838 accepted as Chondrula H. Beck, 1837 (original description)
Gonostoma Held, 1838 accepted as Helicodonta A. Férussac, 1821 (original description)
Granaria Held, 1838 (original description)
Helix clara Held, 1838 accepted as Oxychilus clarus (Held, 1838) (original description)
Helix contorta Held, 1837 accepted as Vitrea diaphana (S. Studer, 1820) (original description)
Helix ichthyomma Held, 1837 (original description)
Helix lenticula Held, 1837 (original description)
Lenticula Held, 1838 accepted as Helicigona A. Férussac, 1821 (original description)
Limax fasciatus Held, 1837 (original description)
Limax limbatus Held, 1837 (original description)
Merdigera Held, 1838 (original description)
Orcula Held, 1838 (original description)
Paludina acicula Held, 1838 accepted as Bythiospeum acicula (Held, 1838) (original description)
Paludina solida Held, 1837 (original description)
Patula Held, 1838 accepted as Discus Fitzinger, 1833 (original description)
Planorbis charteus Held, 1837 (original description)
Planorbis numulus Held, 1837 (original description)
Polita Held, 1838 accepted as Oxychilus Fitzinger, 1833 (original description)
Torquatella Held, 1838 accepted as Pupilla J. Fleming, 1828 (original description)
Tragomma Held, 1838 accepted as Zonites Montfort, 1810 (original description)
Trochiscus Held, 1838 accepted as Perforatella Schlüter, 1838 (original description)
Unio arca Held, 1837 (original description)
Vertigo curta Held, 1837 accepted as Vertigo substriata (Jeffreys, 1833) (original description)
Vertigo hamata Held, 1837 accepted as Vertigo angustior Jeffreys, 1830 (original description)
Vertigo lepidula Held, 1837 accepted as Columella edentula (Draparnaud, 1805) (original description)
Vertigo monodon Held, 1837 accepted as Truncatellina monodon (Held, 1837) (original description)
Xerophila Held, 1838 accepted as Theba Risso, 1826 (original description)
Zebrina Held, 1838 (original description)