Rhombifera - Hemicosmitoida - Caryocrinitidae

Parent taxon: Caryocrinitidae according to F. Bernard 1895

See also Beaver et al. 1967 and Sepkoski 2002

Sister taxa: Caryocrinites, Juglandocrinus, Paracaryocrinites, Ptychocosmites, Stribalocystites

Subtaxa: Polycosmites jaekeli

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Ecology: stationary epifaunal suspension feeder

Distribution: found only at Bang Song Tho, Kanchanaburi, western Thailand (Ordovician of Thailand)

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Specimen images are retrieved through the ePANDDA API.