Order Collodaria Haeckel 1881 (radiolarian)
Parent taxon: Polycystina according to P. De Wever et al. 2001
Sister taxa: Aitchisonellum, Albaillellaria, Archaeospicularia, Entactinaria, Latentifistularia, Nassellaria, Protobiramus, Spongomassa, Spumellaria
Subtaxa: Collosphaeridae, Sphaerozoidae, Thalassosphaeridae
Ecology: passively mobile planktonic omnivore