The species inhabits the FynbosBiome and constructs burrows with a turret of grass around the entrance.
Description
Both sexes of Spiroctenus validus are known to science. The inner side of tibia I bears a pair of distal tubercles each bearing 1-2 stoutspurs. Tibia I is also strongly incrassated at the apex and very thick. All tarsi are thickly and broadly scopulate. The spider is olivaceous in color with an infuscate carapace. The legs are more yellowish and the femora are not as dark. The tibiae and metatarsi are yellow brown. Large infuscate spots are present above the spinnerets on the ventralsurface. The total length is 16 millimeters for males and 25.5 millimeters for females.