Sibling Taxa
- Aenigmula
- Amnicolidae
- Anabathridae
- Assimineidae
- Bithyniidae
- Bythinellidae
- Caecidae
- Caledoniellidae
- Calopiidae
- Clenchiellidae
- Cochliopidae
- Elachisinidae
- Emmericiidae
- Epigridae
- Falsicingulidae
- Fontigentidae
- Helicostoidae
- Hydrobiidae
- Hydrococcidae
- Iravadiidae
- Lithoglyphidae
- Moitessieriidae
- Pomatiopsidae
- Spirostyliferinidae
- Stenothyridae
- Tateidae
- Teinostomatidae
- Tomichiidae
- Tornidae
- Truncatellidae
- Vitrinellidae