The upper body is greyish-brown,  There is very little difference about this species and the six other species of petrogales found in this region; the difference were made only by genetic studies (it has 20 chromosomes). It is the smallest of the genus and one of the rarest.
The upper body is greyish-brown,  There is very little distinction between this species and the six other petrogales species found in this region; the differences were established only by genetic research (it has 20 chromosomes). It is the smallest of the genus and one of the rarest.