†Cystaster Hall 1871
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Edrioasteroidea - Hemicystitidae
Parent taxon: Hemicystitidae according to G. Regnéll 1966
See also Sepkoski 2002
Sister taxa: Anglidiscus, Bassleridiscus, Carneyella, Cincinnatidiscus, Foerstediscus, Hemicystites, Lebetodiscus, Lepidoconia, Timeischytes
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of Canada (1: Ontario collection), United States (2: Ohio)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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