†family Hemidiscellidae Kling and Reif 1969 (glass sponge)
Hexactinellida - Hemidiscosa - Hemidiscellidae
Parent taxon: Hemidiscosa according to L. D. Mouro et al. 2014
Sister taxon: Microhemidisciidae
Subtaxa: Microhemidiscia
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Campaleo outcrop (Permian of Brazil)