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• Domain: Eukaryota () - Whittaker & Margulis,1978
  • Kingdom: Protozoa () - (Goldfuss, 1818) R. Owen, 1858 - Protozoa
    • Phylum: Protozoa () - Protozoa
      • Class: Heliozoa ()
        • Order: Centrohelida ()
          • Family: Acanthocistidae ()
            • Genus: Acanthocystis ()
              • Specific descriptor: longiseta - Penard
                • Scientific name: - Acanthocystis longiseta Penard