Hydrachnidia Krantz, 1978 - water mites
Count: [g] 56f;487g [20 Oct 2023]
   Superfamily Arrenuroidea Thor, 1900
  Count: [g] 19f;83g [20 Oct 2023]
     Family Chappuisididae Motaş & Tanasachi, 1946
    Count: [g] 5g [20 Oct 2023]
       Subfamily Uchidastygacarinae Imamura, 1956 [monotypic]
      Count: [g] 1g [20 Oct 2023]
         Genus Uchidastygacarus Imamura, 1956
        Count: -
           1 Subgenus Uchidastygacarus (Uchidastygacarus) Imamura, 1956
          Count: -
           2 Subgenus Uchidastygacarus (Imamurastygacarus) Cook, 1974
          Count: -