Full reference: J. G. Gehling . 1987. Earliest known echinoderm - a new Ediacaran fossil from the Pound Subgroup of South Australia. Alcheringa 11:337-345

Parent taxon: Echinodermata according to M. A. Fedonkin et al. 2007

Sister taxa: Asterozoa, Blastoidea, Blastozoa, Camptostromoidea, Coronata, Crinoidea, Ctenocystoidea, Ctenoimbricata, Cyclocystoidea, Cystoidea, Diploporita, Discoidea, Echinoconus, Echinozoa, Edrioasteroidea, Eleutherozoa, Graciacystis, Helicoplacoidea, Holothuroidea, Homoiostelea, Homostelea, Iheringiana, Macrocystellidae, Parablastoidea, Paracrinoidea, Pediculacaudinidae, Pelmatozoa, Peripneustes, Rhombifera, Scoteinocystis, Scutellidae, Scutellinidae, Semperitidae, Stylophora, Tubocaudinidae

Subtaxa: Arkarua adami

View classification

Type: Arkarua adami

Ecology: stationary low-level epifaunal suspension feeder-osmotroph