Hexamastix
Tricercomitus
Free-living
Trichonymphidae
Eucomonymphidae
Hypotrichomonas
Trichomitus
Spirotrichonymphidae +
Holomastigotoididae
Calonymphidae +
Devescovinidae
Dientamoeba +
Histomonas
Tritrichomonadinae
Monocercomonas sp.
Trichomonadinae
Monocercomonas
ruminantium
Phylogenetic scheme II.
 life strategy