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Common Names in English:

• Domain: Eukaryota ()
  • Kingdom: Protozoa () - (Goldfuss, 1818) R. Owen, 1858 - Protozoa
    • Subkingdom: Biciliata ()
      • Infrakingdom: Alveolata () - Cavalier-Smith, 1991
        • Phylum: Ciliophora () - (Doflein, 1901) Copeland, 1956 - Ciliates
          • Subphylum: Intramacronucleata () - Lynn, 1996
            • Class: Spirotrichea () - Bütschli, 1889
              • Subclass: Stichotrichia () - Small & Lynn, 1985
                • Order: Urostylida () - Jankowski, 1979
                  • Family: Pseudokeronopsidae () - Borror & Wicklow, 1983
                    • Genus: Thigmokeronopsis ()
                      • Specific descriptor: crystallis
                        • Scientific name: - Thigmokeronopsis crystallis