Taxa included

Waterlot, G. (1953). Classe des Arachnides (Arachnida Cuvier 1812). In: Piveteau, J. (ed.) Traité de paléontologie Masson, Paris 3: 555–584.

Taxon
Palpigradi Thorell, 1888 575, (as Palpigrades), Palpigradi