Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Ciliophora (Ciliates)
Oligohymenophorea
Hymenostome (Hymenostomatia)
Tetrahymenida
Glaucomidae

Glaucoma (3771922)

Children (2 direct children, 2 direct and indirect children):

Glaucoma scintillans

Glaucoma vorax