Balantidium

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Superregnum: Eukaryota
Regnum: Chromista
Subregnum: Harosa
Infraregnum: Alveolata
Phylum: Ciliophora
Subphylum: Intramacronucleata
Infraphylum: Rhabdophora
Classis: Litostomatea
Subclassis: Trichostomatia
Ordo: Vestibuliferida
Familia: Balantidiidae
Genus: Balantidium
Species:
B. coli –
B. sigani