Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Ciliophora (Ciliates)
Oligohymenophorea
Philasterida
Cinetochilidae
Children (2 direct children, 2 direct and indirect children):
Sathrophilus holtae
Sathrophilus marinum