Edrioasteroidea - Isorophida - Agelacrinitidae
Parent taxon: Isorophida according to C. D. Sumrall and F.J. Gahn 2006
See also Regnéll 1966 and Sumrall 1996
Sister taxa: Chatsworthia, Cryptogoleus, Curvitriordo, Deltadiscus, Floridiscus, Giganticlavus, Hadrochthus, Hadrodiscus, Lebetodiscidae, Protorophus, Rectitriordo, Stalticodiscus
Subtaxa: Agelacrinites Agelacrinitinae Bellastrella Cooperidiscus Dinocystis Discocystinae Hystrichopsydrax Krama Lepidodiscus Neoisorophusella Postibulla Postibullinae Savagella Thresherodiscus Ulrichidiscus
Type: Agelacrinites
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of the Russian Federation (1 collection)
• Carboniferous of Canada (2: Alberta), United States (7: Alabama, Arizona, Illinois, Oklahoma)
• Devonian of Germany (2), United States (4: Iowa, New York, Ohio)
• Ordovician of Canada (2: Ontario), United States (6: Illinois, Illinois, Iowa, Minnesota)
Total: 24 collections including 30 occurrences