Phylum Nematoda Gegenbaur, 1859 - round worms
Count: -
   Class Secernentea Von Linstow, 1905
  Count: -
     Subclass Tylenchia (Thorne, 1949) Inglis, 1983
    Count: -
       Order Tylenchida G. Thorne, 1949
      Count: [g] 27f210g
         Suborder Hoplolaimina Chizhov & Berezina, 1988
        Count: [g] 9f76g
           Superfamily Hoplolaimoidea (Filipjev, 1934) Paramonov, 1967 see Superfamily Tylenchoidea Örley, 1880
          Count: [g] 5f46g
             1 Family Hoplolaimidae Filipjev, 1934
            Count: [g] 11g
             2 Family Rotylenchulidae Husain & Khan, 1967
            Count: [g] 5g
             3 Family Pratylenchidae Thorne, 1949
            Count: [g] 11g
             4 Family Meloidogynidae Skarbilovich, 1959
            Count: [g] 4g
             5 Family Heteroderidae Filipjev & Schuurmans Stekhoven, 1941
            Count: [g] 15g