See text Tetrablemma is a widespread genus of armored spiders first described by Octavius Pickard-Cambridge in 1873.

[6][7] The eyes are large and unequal in size, closely grouped around the center of the cephalothorax, with the eye group tending to be set further back in males.

[8] They have four closely positioned spinnerets enclosed in a corneous casing.

[3] Lehtinen divided the genus into three subgenera in 1981: Kumaonia, Indonops, and Tetrablemma, although this subgeneric arrangement is not always followed by subsequent authors.

[9] As of November 2024[update], the World Spider Catalog accepted the following species:[1]