Radiolaria - Spumellaria - Spongodiscidae

Parent taxon: Spongodiscidae according to P. De Wever et al. 2001

Sister taxa: Amphirhopalum, Chitonastrum, Dictyocoryne, Euchitonia, Haliodictya, Perichlamydium, Porodiscus, Rhopalastrum, Spongaster, Spongodiscus, Spongotripus, Spongotrochus, Stylochlamydium, Stylospongia, Teichertus, Tesserastrum, Tholodiscus, Trigonastrum

Subtaxa: Stylodictya delicatula

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Ecology: passively mobile planktonic omnivore