Kwonkan silvestris is a species of mygalomorph spider in the Anamidae family. It is endemic to Australia. It was described in 1983 by Australian arachnologist Barbara York Main.[1]
The species occurs in southern Western Australia in woodland and low scrub habitats. The type locality is Juranda, near Balladonia. It also occurs in the Fraser Range.[1]
The spiders are fossorial predators.[1]