†Hemicosmites Buch 1840
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Rhombifera - Hemicosmitoida - Hemicosmitidae
Synonym: Hexalacystis Haeckel 1896
Parent taxon: Hemicosmitidae according to J. F. Bockelie 1979
See also Regnéll 1945 and Sepkoski 2002
Sister taxa: Corylocrinus, Tricosmites
Subtaxa: Hemicosmites extraneus Hemicosmites grandis Hemicosmites oelandicus Hemicosmites papaveris Hemicosmites pyriformis Hemicosmites sculptus Hemicosmites sphaericus Hemicosmites variabilis
Type: Hemicosmites pyriformis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Dawan of China (2 collections)
• Arenig of China (3)
• Ordovician of Estonia (19), Norway (7), Sweden (3)
Total: 34 collections including 35 occurrences
Specimen images are retrieved through the ePANDDA API.
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