Composed of 21 genera and 186 current species. Presenting, a wide distribution, however, some species are quite restricted. Characterized by the absence of eyes, the presence of eye-spots and the venom apparatus only in the fixed finger of the chela pedipalpal.
Photo subject to copyrigh by the author.
In Córdoba, the family is represented by Paratemnoides nidifcator (Balzan, 1888), a cooperatively social species of pseudoscorpions.