Achatina sandbergeri Thomä, 1845 † accepted as Pseudoleacina sandbergeri (Thomä, 1845) † (original description)
Achatina subsulcosa Thomä, 1845 † accepted as Pseudoleacina subsulcosa (Thomä, 1845) † (original description)
Bulimus gracilis Thomä, 1845 † accepted as Palaeomastus gracilis (Thomä, 1845) † (original description)
Clausilia bulimoides A. Braun, 1843 † accepted as Eualopia bulimoides (A. Braun, 1843) † (redescription)
Cyclostoma dolium Thomä, 1845 † accepted as Ventriculus pupa (M. Braun, 1838) † (original description)
Cyclostoma labellum Thomä, 1845 † accepted as Cochlostoma labellum (Thomä, 1845) † (original description)
Helix affinis Thomä, 1845 † accepted as Cyrtochilus expansilabris (F. Sandberger, 1858) † (original description)
Helix alloiodes Thomä, 1845 † accepted as Palaeotachea alloiodes (Thomä, 1845) † (original description)
Helix arnoldii Thomä, 1845 † accepted as Tropidomphalus arnoldii (Thomä, 1845) † (original description)
Helix braunii Thomä, 1845 † accepted as Galactochiloides braunii (Thomä, 1845) † (original description)
Helix deplanata Thomä, 1845 † accepted as Oxychilus deplanatus (Thomä, 1845) † (original description)
Helix discus Thomä, 1845 † accepted as Archaegopis discus (Thomä, 1845) † (original description)
Helix goldfussii Thomä, 1845 † accepted as Omphalosagda goldfussii (Thomä, 1845) † (original description)
Helix hortulana Thomä, 1845 † accepted as Palaeotachea hortulana (Thomä, 1845) † (original description)
Helix increscens Thomä, 1845 † accepted as Archaeozonites increscens (Thomä, 1845) † (original description)
Helix involuta Thomä, 1845 † accepted as Protodrepanostoma involutum (Thomä, 1845) † (original description)
Helix lapicidella Thomä, 1845 † accepted as Pachycarocollina bouilletii (de Boissy, 1840) † (original description)
Helix lapidaria Thomä, 1845 † accepted as Archaeoplecta lapidaria (Thomä, 1845) † (original description)
Helix lunula Thomä, 1845 † accepted as Discus lunula (Thomä, 1845) † (original description)
Helix multicostata Thomä, 1845 † accepted as Discus multicostatus (Thomä, 1845) † (original description)
Helix noae Thomä, 1845 † accepted as Cepaea alloiodes (Thomä, 1845) † accepted as Palaeotachea alloiodes (Thomä, 1845) † (original description)
Helix osculum Thomä, 1845 † accepted as Klikia osculum (Thomä, 1845) † (original description)
Helix oxystoma Thomä, 1845 † accepted as Parachloraea oxystoma (Thomä, 1845) † (original description)
Helix phacodes Thomä, 1845 † accepted as Praeoestophorella phacodes (Thomä, 1845) † (original description)
Helix punctigera Thomä, 1845 † accepted as Pseudomonacha punctigera (Thomä, 1845) † (original description)
Helix rahtii Thomä, 1845 † accepted as Metacampylaea rahtii (Thomä, 1845) † (original description)
Helix similis Thomä, 1845 † accepted as Leucochroopsis leptoloma (F. Sandberger, 1858) † (original description)
Helix subcarinata Thomä, 1845 † accepted as Palaeotachea thomaeana H. Nordsieck, 2014 † (original description)
Helix subcellaria Thomä, 1845 † accepted as Retinella (Lyrodiscus) subcellaria (Thomä, 1845) † represented as Retinella subcellaria (Thomä, 1845) † (original description)
Helix subsulcosa Thomä, 1845 † accepted as Palaeotachea subsulcosa (Thomä, 1845) † (original description)
Helix verticilloides Thomä, 1845 † accepted as Archaeozonites verticilloides (Thomä, 1845) † (original description)
Helix villosella Thomä, 1845 † accepted as Klikia villosella (Thomä, 1845) † (original description)
Limnaeus cretaceus Thomä, 1845 † accepted as Lymnaea cretacea Thomä, 1845 † (original description)
Limnaeus minor Thomä, 1845 † accepted as Galba minor (Thomä, 1845) † (original description)
Limnaeus pachygaster Thomä, 1845 † accepted as Stagnicola pachygaster (Thomä, 1845) † (original description)
Limnaeus subpalustris Thomä, 1845 † accepted as Stagnicola subpalustris (Thomä, 1845) † (original description)
Melanopsis fritzei Thomä, 1845 † (original description)
Nerita rhenana Thomä, 1845 † (original description)
Neritina gregaria Thomä, 1845 † accepted as Theodoxus (Theodoxus) gregarius (Thomä, 1845) † represented as Theodoxus gregarius (Thomä, 1845) † (original description)
Planorbis applanatus Thomä, 1845 † accepted as Gyraulus applanatus (Thomä, 1845) † (original description)
Planorbis solidus Thomä, 1845 † accepted as Planorbarius solidus (Thomä, 1845) † (original description)
Pupa selecta Thomä, 1845 † accepted as Pupilla selecta (Thomä, 1845) † (original description)
Succinea spectabilis Thomä, 1845 † accepted as Palaeoglandina gracilis (Zieten, 1832) † (original description)