Radiolaria - Spumellaria - Spongodiscidae

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

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

Subtaxa: none

Ecology: passively mobile planktonic omnivore