↑O’Connnor, B.M. (1984) 1. Speciation and evolution in Acari. 1.2 Phylogenetic relationships among higher taxa in the Acariformes, with particular reference to the Astigmata. In Acarology 6 (1): 19-27, GRIFFITHS, D.A. y BOWMAN, C.E. (Eds), Ellis Horwood Limited, Chichester.
