KINGDOM Protista

PHYLUM Chlorophyta

ORDER Volvocida

PHYLUM Retortamonada

CLASS Diplomonadea

PHYLUM Axostylata

CLASS Parabasalea

CLASS Trichomonada

PHYLUM Euglenozoa

SUBPHYLUM Euglenida

CLASS Euglenoidea

SUBPHYLUM Kinetoplasta

CLASS Trypanosomatidea

PHYLUM Apicomplexa

CLASS Gregarinea

CLASS Coccidea

PHYLUM Ciliophora

CLASS Heterotrichea

CLASS Spirotrichea

CLASS Litostomatea

CLASS Oligohymenophorea

CLASS Phyllopharyngea

PHYLUM Dinoflagellida

AMEBAS

Rhizopodans

Granuloreticulosans

Actinopodans

PHYLUM Opalinata