†family Eumorphocystidae Branson and Peck 1940

Glyptosphaeritida - Eumorphocystidae

Full reference: E. R. Branson and R. E. Peck. 1940. A new cystoid from the Ordovician of Oklahoma. Journal of Paleontology 14(1):89-92

Parent taxon: Glyptosphaeritida according to S. L. Sheffield and C. D. Sumrall 2018

Sister taxa: Dactylocystidae, Glyptosphaeritidae, Gomphocystitidae, Protocrinitidae

Subtaxa: Eumorphocystis

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Ordovician of United States (10: Illinois, Iowa, Iowa, Minnesota, Oklahoma, Tennessee, Virginia collections)

Total: 10 collections including 12 occurrences

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