†family Hemicosmitidae Jaekel 1918

Rhombifera - Hemicosmitoida - Hemicosmitidae

Parent taxon: Hemicosmitida according to J. F. Bockelie 1979

See also Beaver et al. 1967 and Regnéll 1945

Sister taxa: Caryocrinitidae, Heterocystitidae

Subtaxa: Corylocrinus Hemicosmites Tricosmites

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Arenig of China (3 collections)

• Dawan of China (2)

• Ordovician of Belgium (1), Estonia (19), Norway (7), Spain (1), Sweden (3)

Total: 36 collections including 37 occurrences

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