†order Platycystitida
Parent taxon: Paracrinoidea according to J. J. Sepkoski 2002
Sister taxa: Bistomiacystis, Columbocystis, Comarocystitida, Foerstecystis, Springerocystis
Subtaxa: Globulocystites, Malocystites, Platycystites, Wellerocystis
Ecology: stationary epifaunal suspension feeder