Blastoidea - Cribroblastida - Cribroblastidae

Full reference: D. B. Macurda. 1977. Arcuoblastus and Decemoblastus, two new Mississippian blastoid genera from the Burlington Limestone, Iowa. Journal of Paleontology 51(6):1201-1214

Parent taxon: Cribroblastidae according to D. B. Macurda and J. Sprinkle 2026

See also Sepkoski 2002 and Waters and Horowitz 1993

Sister taxa: Cribroblastus, Decemoblastus, Euryoblastus, Heteroblastus, Iranoblastus, Tholoblastus

Subtaxa: Arcuoblastus shumardi

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Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution: found only at Burlington; upper part of formation (Carboniferous of Iowa)

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Specimen images are retrieved through the ePANDDA API.