• Phylum Sarcomastigophora
  • Subphylum Mastigophora
    • Class Zoomastigophorea
      • Order Choanoglagellida
      • Order Kinetoplastida
      • Order Protermonadida
      • Order Retortamonidida
      • Order Diplomonadida
      • Order Oxymonadida
      • Order Trichomonadida
      • Order Hypermastigida

  • Subphylum Opalinata
  • Subphylum Sarcodina
    • Superclass Rhizopoda
      • Class Lobosea
        • Subclass Gymnamoebia
          • Order Amoebida
          • Order Schizopyrenida
          • Order Pelobiontida

        • Subclass Testacealobosia
          • Order Arcellinida
          • Order Trichosida

      • Class Acarpomyxea
      • Class Filosea
      • Class Granuloreticulosea
        • Order Formaminiferida

      • Class xenophyophorea

    • Superclass Actinopoda
      • Class Acantharea
      • Class Polycystinea
      • Class Phaeodarea
      • Class Heliozoea

• Phylum Labyrinthomorpha
• Phylum Apicomplexa
  • Class Perkinsea
  • Class Sporozoea
    • Subclass Gregarinia
    • Subclass Coccidia
    • Subclass Piroplasmia

• Phylum Microspora
  • Class Rudimicrosporea
  • Class Microsporea

• Phylum Ascetospora
  • Class Stellatosporea
  • Class Paramyxea

• Phylum Myxozoa
  • Class Myxosporea
  • Class Actinosporea

• Phylum Ciliophora
  • Class Kinetofragminophorea
    • Subclass Gymnostomatia
    • Subclass Vestibuliferia
    • Subclass Hypostomatia
    • Subclass Suctoria

  • Class Oligohymenophorea
    • Subclass Hymenostomatia
      • Order Hymenostomatida
      • Order Scuticocilatida
      • Order Astomatida

  • Subclass Pertrichia
    • Order Peritrichida

  • Class Polymenophorea
    • Subclass Spirotrichia
      • Order Heterotrichida
      • Order Odontostomatida
      • Order Oligotrichida
      • Order Hypotrichida

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