Full reference: S. A. Miller. 1891. Palaeontology. Advanced sheets to the Indiana Department of Geology and Natural Resources Annual Report 17:1-95

Parent taxon: Porifera according to S. A. Miller 1891

Sister taxa: Archaeocyatha, Calcarea, Caliculospongia, Clathrispongia, Coronacollina, Cotyliscus, Cuneiphycus, Cyathophyscus, Demospongea, Disjectoporidae, Drosdovia, Eocoryne, Glenodictyum, Heteractinida, Hexactinellida, Holocoelia, Matthewcyathus, Megalelasma, Microcoryne, Mussooriella, Nabaviella, Nostrocyathus, Oligoplagia, Phymoraphinia, Polyactinellidae, Scyphia, Shitangspongia, Sinoflabrum, Solactiniella, Stromatoporoidea, Tragos, Trammeria

Subtaxa: Cyclospongia discus

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Ecology: stationary epifaunal suspension feeder