Full reference: J. Sprinkle. 1973. Morphology and evolution of blastozoan echinoderms. Harvard University Museum of Comparative Zoology, Special Publication 1-283
Parent taxon: Echinodermata according to M. A. Zuykov et al. 2008
See also Bockelie 1984, Lefebvre and Lerosey-Aubril 2018, Noailles et al. 2014, Parsley and Zhao 2006, Sprinkle 1973 and Zhao et al. 2008
Sister taxa: Argonevis, Aspidocrinites, Camptostromoidea, Carpoidea, Cincta, Corneotuba, Cornuvacites, Crinozoa, Ctenocystoidea, Ctenoimbricata, Cyclocystoidea, Edrioasteroidea, Eleutherozoa, Erinea, Fanerocoelia, Helicocystitidae, Helicoplacoidea, Holothuroidea, Homalozoa, Iheringiana, Limolepis, Nemotapis, Paracrinozoa, Pediculacaudinidae, Pelmatozoa, Radimonis, Scoteinocystis, Scutellidae, Scutellinidae, Stylophora, Tubocaudinidae, Venerella
Subtaxa: Asteroblastida Blastoidea Coronoidea Crinoidea Diploporita Eocrinoidea Glyptosphaeritida Lepidocystoidea Parablastoidea Paracrinoidea Rhombifera Rhombifera Soluta Sphaeronitida
Ecology: stationary epifaunal suspension feeder