Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Ciliophora (Ciliates)
Litostomatea
Haptoria
Haptorida
Tracheliidae
Children (3 direct children, 3 direct and indirect children):
Trachelius trachelioides
Trachelius gutta
Trachelius ovum