Sethocapsa Haeckel 1881 (radiolarian)
Radiolaria - Nassellaria - Sethocapsidae
Parent taxon: Sethocapsidae according to P. De Wever et al. 2001
Sister taxa: Arcanicapsa, Archicapsa, Gongylothorax, Heliocryptocapsa, Homoeoarchicorys, Kilinora, Plicaforacapsa, Stylocapsa, Yaocapsa
Subtaxa: Sethocapsa accincta, Sethocapsa cometa, Sethocapsa dorysphaeroides, Sethocapsa fabii, Sethocapsa hexagona, Sethocapsa kaminogoensis, Sethocapsa leiostraca, Sethocapsa nakaensis, Sethocapsa pseudouterculus, Sethocapsa simplex, Sethocapsa sphaerica, Sethocapsa subcrassitestata, Sethocapsa taukhaensis, Sethocapsa trachyostraca, Sethocapsa uterculus, Sethocapsa zinckeni, Sethocapsa zweilii
Ecology: passively mobile planktonic omnivore