†subfamily Physospongiinae Hall and Clark 1899 (glass sponge)
Hexactinellida - Reticulosa - Dictyospongiidae
Parent taxon: Dictyospongiidae according to R. M. Finks and J.K. Rigby 2004
Sister taxa: Calathospongiinae, Diagonodictya, Dictyospongiinae, Hydnoceratinae, Microstaurella, Prismodictyinae, Thysanodictyinae
Subtaxa: Gongylospongia Physospongia Roemerispongia Uphantenia
Type: Physospongia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of United States (7: Indiana collections)
Total: 7 collections including 8 occurrences