Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Ciliophora (Ciliates)
Oligohymenophorea
Apostomatia
Astomatophorida
Opalinopsidae
Chromidina

Chromidina coronata (62001774)