Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Radiolaria (Radiolarians)
Polycystine (Polycystinea)
Nassellaria
Acanthodesmiacea
Pterocorythidae
Children (2 direct children, 2 direct and indirect children):
Theocorythium vetulum
Theocorythium trachelium