This antshrike is known from Serra do Divisor in Acre, Brazil. Males are dusky grey; females are grey above and tawny-rufous below.
Males are dusky grey overall. Females are grey above with tawny to rufous underparts.
At the type locality, it was common inside low shrubby woodland on poor soils; birds forage near the ground for small arthropods among fern and bromeliad thickets.
An extinction-risk assessment has not been added yet.