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Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Radiolaria (Radiolarians)
Polycystine (Polycystinea)
Nassellaria
Eucyrtidiacea
Theocotylidae
Thyrsocyrtis

Thyrsocyrtis tetracantha (21310745)