Blastoidea - Granatocrinida - Granatocrinidae

Parent taxon: Granatocrinidae according to H. H. Beaver et al. 1967

See also Sepkoski 2002

Sister taxa: Carpenteroblastus, Cribroblastus, Cryptoblastus, Decemoblastus, Dentiblastus, Granatocrinus, Heteroblastus, Mesoblastus, Monadoblastus, Poroblastus

Subtaxa: none

Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution: there are no occurrences of Ptychoblastus in the database

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Specimen images are retrieved through the ePANDDA API.