Cystoidea - Rhombifera - Hemicosmitidae

PaleoDB taxon number: 30969

Synonym: Hexalacystis Haeckel 1896 (taxon 319913)

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

Sister taxa: none

Subtaxa: Hemicosmites extraneus, Hemicosmites oelandicus, Hemicosmites papaveris, Hemicosmites pyriformis, Hemicosmites sculptus, Hemicosmites sphaericus, Hemicosmites variabilis

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Type: Hemicosmites pyriformis

Ecology: stationary low-level epifaunal suspension feeder