Anodonta praedemissa Ludwig, 1865 † accepted as Unio praedemissus (Ludwig, 1865) † (original description)
Bithynia almerodensis Ludwig, 1865 † accepted as Pseudamnicola almerodensis (Ludwig, 1865) † (original description)
Bithynia inflexa Ludwig, 1865 † accepted as Viviparus inflexus (Ludwig, 1865) † (original description)
Bithynia mediocris Ludwig, 1865 † accepted as Nematurella mediocris (Ludwig, 1865) † (original description)
Cyrena (Corbicula) concentrica F. Sandberger, 1862 † (additional source)
Cyrena distorta Ludwig, 1865 † accepted as Polymesoda distorta (Ludwig, 1865) † (original description)
Litorinella compressa Ludwig, 1865 † accepted as Tournoueria compressa (Ludwig, 1865) † (original description)
Litorinella obtusa var. tenuimarginata Ludwig, 1865 † accepted as Hydrobia tenuimarginata (Ludwig, 1865) † (original description)
Litorinella subrotunda Ludwig, 1865 † accepted as Hydrobia subrotunda (Ludwig, 1865) † (original description)
Melania spina var. trimargaritifera Ludwig, 1865 † accepted as Tarebia trimargaritifera (Ludwig, 1865) † (original description)
Melanopsis costata Ludwig, 1865 † accepted as Melanopsis ludwigi Speyer, 1870 † (original description)
Melanopsis pyramidalis Pallary, 1920 † accepted as Melanopsis hassiaca F. Sandberger, 1873 † (additional source)
Nematura elongata Ludwig, 1865 † accepted as Stenothyropsis elongata (Ludwig, 1865) † (original description)
Paludina splendida Ludwig, 1865 † accepted as Viviparus lentus splendidus (Ludwig, 1865) † (original description)
Planorbis quadruus Ludwig, 1865 † accepted as Planorbarius cornu (Brongniart, 1810) † (original description)
Planorbis symmetrus Ludwig, 1865 † accepted as Valvata (Valvata) symmetra (Ludwig, 1865) † represented as Valvata symmetra (Ludwig, 1865) † (original description)
Planorbis virgatus Ludwig, 1865 † accepted as Gyraulus (Gyraulus) virgatus (Ludwig, 1865) † represented as Gyraulus virgatus (Ludwig, 1865) † (original description)