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†class Blastoidea Say 1825 (blastoid)

Blastoidea

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

See also Beaver et al. 1967 and Sepkoski 2002

Sister taxa: Asteroblastida, Crinoidea, Diploporita, Eocrinoidea, Glyptosphaeritida, Lepidocystoidea, Parablastoidea, Paracrinoidea, Rhombifera, Rhombifera, Soluta, Sphaeronitida

Subtaxa: Coronoidea Dissimiloblastus Eublastoidea Fissiculata Freisoblastus Granatocrinida Lotusoblastus Lysocystites Macurdablastus Spiraculata Zygocrinus

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Ecology: stationary intermediate-level epifaunal suspension feeder

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