Radiolaria - Nassellaria

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

Sister taxa: Acanthodesmiidae, Artostrobiidae, Bulbocyrtiidae, Cannobotryidae, Carpocaniidae, Cuniculiformidae, Monicastericidae, Planispinocyrtiidae, Pterocorythidae, Rotaformidae, Sethophormididae, Spongosilicarmigeridae, Stephaniidae, Theopiliidae, Triospyrididae

Subtaxa: Conospongocyrtis, Maudia, Spongolophophaena, Triassospongocyrtis

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Type: Spongolophophaena

Ecology: passively mobile planktonic omnivore