†Tripocyclia Haeckel 1881 (radiolarian)
Radiolaria - Spumellaria - Xiphostylidae
Alternative spelling: Tripoclyclia
Parent taxon: Xiphostylidae according to P. De Wever et al. 2001
Sister taxa: Amuria, Archaeocenosphaera, Sinosphaera, Suna, Triactoma, Trigonosphaera, Xiphostylus, Zanola
Subtaxa: Tripocyclia brooksi, Tripocyclia crassa, Tripocyclia foremanae, Tripocyclia mascula, Tripocyclia smithi, Tripocyclia southforkensis, Tripocyclia tortuosa, Tripocyclia trigonum
Ecology: passively mobile planktonic omnivore