Eukaryota

   Metazoa

     Chordata

     Echinodermata

     Hemichordata

     Ecdysozoa

       Arthropoda

         Altocrustacea

         Chelicerata

           Arachnida

             Acari

               Parasitiformes

                 Ixodida

                   Ixodoidea

                     Ixodidae

                     Argasidae

                       Ornithodorinae

                         Ornithodoros

                 Mesostigmata

               Acariformes

             Scorpiones

             Araneae

           Merostomata

       Tardigrada

       Nematoda

     Spiralia

     Cnidaria

     Placozoa

     Porifera

   Viridiplantae

   Rhodophyta

   Fungi

   Choanoflagellata

   Amoebozoa

   Sar

   Discoba

   Metamonada

   Haptista

   Cryptophyceae

 Bacteria

 Archaea