Chelicerata Heymons, 1901
Count: 2c;12o; †6o;2f;23g
   Opiliones Sundevall, 1833 - harvestmen
  Count: [g†g] 49f;17g; †4f;22g [25 Jan 2021]
     Phalangida Bristowe, 1949
    Count: [g†g] 43f;16g; †4f;18g [25 Jan 2021]
       Suborder Laniatores Thorell, 1876 - armored harvestmen
      Count: [g†g] 29f;4g; †2g [25 Jan 2021]
         Infraorder Insidiatores Loman, 1900
        Count: [g†g] 5f; †1g [24 Jan 2021]
           Superfamily Triaenonychoidea Sørensen, 1886
          Count: [g] 2f [24 Jan 2021]
             Family Triaenonychidae Sørensen, 1886
            Count: -