Truncatelloidea is een superfamilie van weekdieren uit de klasse van de Gastropoda (slakken).

Families 
 Amnicolidae Tryon, 1863
 Anabathridae Keen, 1971
 Assimineidae H. Adams & A. Adams, 1856
 Bithyniidae Gray, 1857
 Bythinellidae Locard, 1893
 Caecidae Gray, 1850
 Calopiidae Ponder, 1999
 Clenchiellidae D. W. Taylor, 1966
 Cochliopidae Tryon, 1866
 Elachisinidae Ponder, 1985
 Emmericiidae Brusina, 1870
 Epigridae Ponder, 1985
 Falsicingulidae Slavoshevskaya, 1975
 Helicostoidae Pruvot-Fol, 1937
 Hydrobiidae Stimpson, 1865
 Hydrococcidae Thiele, 1928
 Iravadiidae Thiele, 1928
 Lithoglyphidae Tryon, 1866
 Lithoglyphulidae Radoman, 1973
 Moitessieriidae Bourguignat, 1863
 Pomatiopsidae Stimpson, 1865
 Stenothyridae Tryon, 1866
 Tateidae Thiele, 1925
 Tomichiidae Wenz, 1938
 Tornidae Sacco, 1896 (1884)
 Truncatellidae Gray, 1840
 Vitrinellidae Bush, 1897

Littorinimorpha