Palpigradi (Microwhip Scorpions) is an order of arachnids. There are 109 species of Microwhip Scorpions, in 6 genera and 2 families. This order has been around since the upper cretaceous epoch.
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry