†order Hemidiscosa Schrammen 1924 (glass sponge)

Hexactinellida - Hemidiscosa

Parent taxon: Amphidiscophora according to R. M. Finks and J.K. Rigby 2004

See also Sepkoski 2002

Sister taxa: Amphidiscosa, Hyalonematidae, Reticulosa

Subtaxa: Hemidiscellidae Microhemidisciidae

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Ecology: stationary epifaunal suspension feeder

Distribution: found only at Campaleo outcrop (Permian of Brazil)

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