Subfamily Heliometrinae Clark 1909 (Feather star)
Crinoidea - Comatulida - Antedonidae
Parent taxon: Antedonidae according to H. Hess and C. G. Messing 2011
See also Eagle 2007
Sister taxa: Adelometra, Anisometra, Antedoninae, Athrypsometra, Balanometra, Bathymetrinae, Caryometra, Cyclometra, Eometra, Isometrinae, Kempometra, Leptometra, Microcomatula, Perometrinae, Poliometra, Thysanometrinae
Subtaxa: Allionia Anthometrina Comatonia Florometra Heliometra Hertha Promachocrinus Roiometra Solanometra
Ecology: facultatively mobile intermediate-level epifaunal suspension feeder
Distribution:
• Waitakian of New Zealand (4 collections)
• Cretaceous of Belgium (4), Germany (1)
Total: 9 collections including 12 occurrences