A redescription of Halacarellus affinis (Halacaridae, Acari)
  Halacarellus coecus (Trouessart) and Halacarellus princeps (Trouessart) (Halacaridae, Acari), redescriptions
  Contribution to Halacaridae fauna (Halacaridae, Acari) of the Brittany coast. Description of five species of the sand Lucke System
  On the presence of Halacarellus subterraneus Schulz, 1933 and Halacarellus phreaticus n. sp. (Halacaridae, Acari) in Bulgaria