New Trachyes species (Anactinotrichida: Uropodina: Trachytidae) from Canada
  New Holothyrina (Arachnida, Anactinotrichida) from New-Guinea and South-America
  Life cycle evolution in mites and other groups of Arachnids
  The legs of acarina compared to those of scorpions. A contribution on comparative anatomy of mites
  Phylogeny of opilioacarids and their affinity with the other mites
