1. Cross, E.A. (1965) The generic relationships of the family Pyemotidae (Acarina, Trombidiformes). The University of Kansas Science Bulletin, 45, 29–215.
2. Cross, E.A. & Moser, J.C. (1971) Taxonomy and biology of some Pyemotidae (Acarina: Tarsonemoidea) inhabiting bark beetle galleries in North American conifers. Acarologia, 13, 47–64.
3. Dastych, H. & Rack, G. (1993) Spatulaphorus gen. n. and three new species of pygmephorid mites associated with scarab beetles in Botswana and Vietnam (Acari: Heterostigmata). Mitteilungen Hamburgisches Zoologisches Museum und Institut, 90, 265–84.
4. Dastych, H., Rack, G. & Camerik, A.M. (1997) A new species of the genus Spatulaphorus Rack (Acari: Heterostigmata, Pygmephoridae) associated with scarab beetles in South Africa. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut, 94, 145–151.
5. Grandjean, F. (1944) Observations sur les Acariens de la famille des Stigmaeidae. Archives des Sciences Physiques et Naturelles, 26, 103–131.