†Holocystites (Megacystites) Frest et al. 2011
Sphaeronitida - Holocystitidae
Full reference: T. J. Frest, H. L. Strimple, and C. R. C. Paul. 2011. The North American Holocystites Fauna (Echinodermata: Blastozoa: Diploporita): Paleobiology and Systematics. Bulletins of American Paleontology 380:1-142
Parent taxon: Holocystites according to T. J. Frest et al. 2011
Sister taxa: Holocystites (Holocystites), Holocystites (Sepulticystis), Holocystites cylindricus, Holocystites salmoensis, Holocystites scutellatus, Holocystites subglobosus
Subtaxa: Holocystites (Megacystites) abnormis Holocystites (Megacystites) greenvillensis
Ecology: stationary epifaunal suspension feeder
Distribution: