Full reference: J. Sprinkle. 1973. Morphology and evolution of blastozoan echinoderms. Harvard University Museum of Comparative Zoology, Special Publication 1-283
Parent taxon: Eocrinoidea according to O. Fatka and V. Kordule 1990
See also Sepkoski 2002 and Sprinkle 1973
Sister taxa: Acanthocystites, Ascocystitida, Ascocystitidae, Balangicystis, Balantiocystis, Bolboporites, Cardiocystites, Cigara, Cryptocrinitidae, Cymbionites, Gogiida, Haimacystis, Hexedriocystis, Lapillocystites, Lichenoididae, Lingulocystidae, Llanocystis, Luhocrinus, Marjumicystis, Palaeocystitidae, Paracryptocrinites, Peridionites, Pilocystites, Polyptychella, Rhipidocystidae, Ridersiidae, Trachelocrinida, Ubaghsicystis
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution:
• Tremadoc of China (5 collections)
Total: 5 collections each including a single occurrence