Small puffballs found on soil, with a distinct cellular sterile base, plus a distinct skin-like membrane (diaphragm) separating the spore mass from the base.

There is a single species reported from New Zealand.

More or less globose fruiting body with a sterile, stalk-like base, opening through a regularly-shaped pore. Internal tissue white when young, powdery brown when mature. Distinguished from Lycoperdon by the well-developed membrane layer between the spores and the base. Mostly found in grassy places.

A single, exotic species recorded from New Zealand.