Clambidae

Tiny beetles (< 2 mm long) that live in leaf litter. Adults have the ability to roll into a ball by folding the head against the sternum. Two genera (one introduced) and three species are known from southern Africa but there are a number of species in museum collections awaiting description. 

Eucenetidae

Small beetles (1.5 - 3 mm long) that as adults have hindlegs adapted for jumping. They are associated with fungi in decaying wood and leaf litter. There are no named species from southern Africa but there are a few in museum collections that are awaiting description. 

Helodidae

Small to medium-sized beetles (2 - 10 mm long) found in damp habitats on plants and in leaf litter. There are about seven species known from southern Africa and a number of others in museum collections awaiting description.