Tags: Arachnid.
The kimura-gumo or kimura spider (Heptathela kimurai) is an Old World spider found primarily in Japan and named after Arika Kimura who discovered it in 1920. It belongs to the sub-order Mesothelae (primitive burrowing spiders) and can reach up to 3 cm in length. Its burrows are covered by a camouflaged pill box flap.The ancestral traits of the Kimura-gumo include central spinnerets and signs of segmentation on the abdomen.