Related how?
Biota
(Life)
Eukaryote
(Eukarya)
Chromista
Harosa
Halvaria
Alveolate
(Alveolata)
Ciliophora
(Ciliates)
Oligohymenophorea
Hymenostome
(Hymenostomatia)
Tetrahymenina
Didiniidae
Didinium
Didinium nasutum (
62001076
)