†Cheirocystis Paul 1972
PaleoDB taxon number: 30951
Full reference: C. R. C. Paul. 1972. Cheirocystella antiqua gen. et. sp. nov. from the Lower Ordovician of western Utah and its bearing on the evolution of the Cheirocrinidae (Rhombifera: Glyptocystitida). Brigham Young University Geology Studies 19:15-63
Parent taxon: Cheirocrinidae according to C. R. C. Paul and S. V. Rozhnov 2016
Sister taxa: Acanthalepis, Cheirocrinus, Cheirocystella, Coronocystis, Hadrocystis, Homocystites, Sprinkleocystis
Subtaxa: Cheirocystis anatiformis, Cheirocystis fultonensis, Cheirocystis radiatus
Type: Echinoencrinites anatiformis
Ecology: stationary intermediate-level epifaunal suspension feeder