Parent taxon: Echinodermata according to S. Zamora et al. 2013
See also Beaver et al. 1967, Sepkoski 2002 and Zamora and Alvaro 2010
Sister taxa: Argonevis, Aspidocrinites, Blastozoa, Camptostromoidea, Carpoidea, 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: Davidocinctus Graciacystis Gyrocystidae Rozanovicystidae Sucocystidae Trochocystitidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cambrian of the Czech Republic (9 collections), France (14), Germany (1), Morocco (3), the Russian Federation (1), Spain (33), the United Kingdom (1)
Total: 62 collections including 76 occurrences