Radiolaria - Nassellaria - Sethocapsidae

Parent taxon: Sethocapsidae according to L. O'Dogherty et al. 2006

Sister taxa: Archicapsa, Gongylothorax, Heliocryptocapsa, Homoeoarchicorys, Kilinora, Plicaforacapsa, Sethocapsa, Stylocapsa, Yaocapsa

Subtaxa: Arcanicapsa adrianae

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Ecology: passively mobile planktonic omnivore