†class Coronoidea Brett et al. 1983

Coronoidea

Full reference: C. E. Brett, T. J. Frest, J. Sprinkle and C. R. Clement. 1983. Coroniodea: A new class of Blastozoan Echinoderms based on taxonomic reevaluation of Stephanocrinus. Journal of Paleontology 57(4):627-651

Parent taxon: Blastozoa according to C. D. Sumrall and J. Waters 2012

Sister taxa: Blastoidea, Eocrinoidea, Felbabkacystidae, Lepidocystidae, Parablastoidea, Paracrinoidea, Rhombifera, Rhombifera, Soluta

Subtaxa: Coronata Mespilocystites

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Silurian of United States (31: Arkansas, Indiana, Iowa, New York, Tennessee, Wisconsin collections)

• Ordovician to Silurian of the United Kingdom (1)

• Ordovician of the Czech Republic (8), Italy (3), Portugal (2), Spain (7), Sweden (2), the United Kingdom (7)

Total: 61 collections including 82 occurrences

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