Crinoidea - Dendrocrinida - Pirasocrinidae

Parent taxon: Pirasocrinidae according to R. C. Moore and H. L. Strimple 1973

Sister taxa: Affinocrinus, Hypermorphocrinus, Lasanocrinus, Metaperimestocrinus, Perimestocrinus, Plaxocrinus, Stenopecrinus, Triceracrinus, Utharocrinus, Vertigocrinus

Subtaxa: Metutharocrinus cockei, Metutharocrinus spinifer, Metutharocrinus undulatus

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Type: Metutharocrinus cockei

Ecology: stationary intermediate-level epifaunal suspension feeder