Pseudopygmephorus atypoides Rack, new species (Acari: Pygmephoridae) associated with the fossorial mygalomorph spider Atypoides riversi O. P.-Cambridge (Araneae: Antrodiaetidae) in California. Pan-Pacific Entomologist, 58(3) 1983: 216-22. 218 [Zoological Record Volume 120]