Radiolaria - Spumellaria - Xiphostylidae

Full reference: E. Pessagno, W. M. Six, and Q. Yang. 1989. The Xiphostylidae Haeckel and Parvivaccidae, n. fam, (Radiolaria) from the North American Jurassic. Micropaleontology 35(3):193-255

Parent taxon: Xiphostylidae according to D. M. Hull 1997

Sister taxa: Amuria, Archaeocenosphaera, Sinosphaera, Suna, Triactoma, Trigonosphaera, Tripocyclia, Xiphostylus

Subtaxa: none

Ecology: passively mobile planktonic omnivore