Related how?

Biota (Life)
Eukaryote (Eukarya)
Protozoa (Protozoans)
Eozoa
Excavata
Metamonad (Metamonada)
Parabasalid (Parabasalia)

Trichomonadea (18606021)

Children (3 direct children, 9 direct and indirect children):

Spirotrichonymphida

Lophomonadida (tree size 2)

Honigbergiellida (tree size 4)