Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Apicomplexa (Sporozoan)
Sporozoa
Conoidasida
Gregarinasina (Gregarines)
Eugregarinorida
Aseptatorina
Lecudinidae

Difficilina (18606194)

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

Difficilina tubulani

Difficilina cerebratuli

Difficilina paranemertis