A new opilioacarid species (Parasitiformes: Opilioacarida) from Crete (Greece) with notes on its karyotype
  A new species of the genus Opilioacarus With, 1902 (Acari: Opilioacarida) for the Iberian Peninsula
  The family Opilioacaridae (Acari: Parasitiformes) in North and Central America, with description of four new species
  The legs of acarina compared to those of scorpions. A contribution on comparative anatomy of mites
  Primitive segmentation of mites