The Ooldea Dunnart is a small marsupial of arid mulga scrub and woodland. Its tail is reported to be slightly longer than its head and body.
A Western Australian survey guide reports a head-and-body length of 5.5–8 cm and a tail of 6–9.3 cm; the tail is a little longer.
A specialist Australian chapter suggests one litter per season for this species, with gestation of about three weeks and weaning at about 70 days.
An extinction-risk assessment has not been added yet.