Ellobium durlstonense Arkell, 1941 † accepted as Juramarinula durlstonensis (Arkell, 1941) † (original description)
Hydrobia forbesi Arkell, 1941 † accepted as Proauriculastra dubisiensis (de Loriol, 1865) † (original description)
Lymnaea physoides de Loriol, 1865 † (basis of record)
Lymnaea websteri Arkell, 1941 † (original description)
Pachychilus (Pachychiloides) Wenz, 1939 accepted as Pachychiloides Wenz, 1939 † (basis of record)
Peverilia Arkell, 1941 † (original description)
Peverilia perisphincta Arkell, 1941 † (original description)
Physa wealdiana Coquand, 1856 † (additional source)
Planorbis fisheri Arkell, 1941 † accepted as Gyraulus loryi (Coquand, 1856) † (original description)
Theodoxus fisheri Arkell, 1941 † (original description)
Valvata helicoides de Loriol, 1865 † accepted as Provalvata helicelloides (Huckriede, 1967) † (additional source)
Viviparus inflatus (F. Sandberger, 1870) † (basis of record)