Radiolaria - Spumellaria - Actinommidae

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

Sister taxa: Acanthosphaera, Actinomma, Actinomminae, Astrocentrus, Bolena, Carinaheliosoma, Carposphaera, Cenosphaera, Cromyomma, Cromyosphaera, Mallanites, Perispongidium, Prunopyle, Pseudacanthosphaera, Sphaeropyle, Staurosphaera, Staurosphaeretta, Stuermeria, Tetracanthellipsis, Thaisphaera

Subtaxa: none

Ecology: passively mobile planktonic omnivore