†class Ctenocystoidea Robison and Sprinkle 1969

Ctenocystoidea

Full reference: R. A. Robison and J. Sprinkle. 1969. Ctenocystoidea: new class of primitive echinoderms. Science 166:1512-1514

Parent taxon: Echinodermata according to R. A. Robison and J. Sprinkle 1969

See also Rahman et al. 2015 and Sepkoski 2002

Sister taxa: Argonevis, Aspidocrinites, Blastozoa, Camptostromoidea, Carpoidea, Cincta, Corneotuba, Cornuvacites, Crinozoa, Ctenoimbricata, Cyclocystoidea, Echinosphaera, Edrioasteroidea, Eleutherozoa, Erinea, Fanerocoelia, Helicocystitidae, Helicoplacoidea, Homalozoa, Iheringiana, Limolepis, Nemotapis, Paracrinozoa, Pediculacaudinidae, Pelmatozoa, Radimonis, Scoteinocystis, Scutellidae, Scutellinidae, Stylophora, Tubocaudinidae, Venerella

Subtaxa: Conollia Ctenocystoida Etoctenocystis Jugoszoviidae

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Ecology: epifaunal

Distribution:

• Ordovician of the United Kingdom (1 collection)

• Cambrian of Australia (1), Czechia (9), France (3), Poland (2), Spain (1), United States (7: Idaho, Utah)

• Amgan of Czechia (1), Poland (1)

Total: 26 collections including 31 occurrences

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