Chumma
Chumma is a genus of African tangled nest spiders first described by Rudy Jocqué in 2001. They are small, three-clawed spiders with a strong dorsal scutum. They have no fovea, and the posterior and median spinnerets are reduced. The males of "C. gastroperforata" have two pairs of abdominal pockets that play a role in mating. This genus was initially placed in the family Chummidae, but the World Spider Catalog places it in Amaurobiidae. Species. it contains nine species in South Africa and neighboring countries: