They are characterized by their small, often cylindrical, ovate, or elongate shells.

The aperture often has denticles (teeth) or lamellae, which may play roles in predator deterrence or structural support.

The margin of the aperture often features a well-defined peristome, sometimes thickened or reflected.

Species in this superfamily are cosmopolitan, found on every continent except Antarctica.

They can be found in dry and arid regions to temperate forests and even tropical zones.