†subfamily Discocystinae Sumrall 1996

Edrioasteroidea - Isorophida - Agelacrinitidae

Full reference: C. D. Sumrall. 1996. Late Paleozoic Edrioasteroids (Echinodermata) from the North American Midcontinent. Journal of Paleontology 70(6):969-985

Parent taxon: Agelacrinitidae according to C. D. Sumrall 1996

Sister taxa: Agelacrinites, Agelacrinitinae, Bellastrella, Cooperidiscus, Dinocystis, Hystrichopsydrax, Krama, Lepidodiscus, Neoisorophusella, Postibulla, Postibullinae, Savagella, Thresherodiscus, Ulrichidiscus

Subtaxa: Bostryclavus Clavidiscus Discocystis Hypsiclavus Lispidecodus Spiraclavus

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Type: Discocystis

Ecology: stationary low-level epifaunal suspension feeder

Distribution:

• Carboniferous of Canada (1: Alberta collection), United States (4: Alabama)

Total: 5 collections each including a single occurrence

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