†family Pileospongiidae Rigby et al. 1979 (glass sponge)
Hexactinellida - Hexactinosa - Pileospongiidae
Parent taxon: Pileolitoidea according to R. M. Finks et al. 2004
Sister taxa: Pileolitidae, Wareembaiidae
Subtaxa: Pileospongia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of United States (2: Alabama collections)
Total: 2 collections each including a single occurrence