†subfamily Prismodictyinae de Laubenfels 1955 (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, Physospongiinae, Thysanodictyinae
Subtaxa: Dictyophyton Dictyophytra Helicodictya Ithacadictya Norfordia Prismodictya Tiddalickia Ursaspongia
Type: Prismodictya
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Ghana (1 collection), United States (2: New York)
• Silurian of Canada (1: British Columbia)
• Ordovician of Australia (1), Canada (1: Manitoba)
Total: 6 collections each including a single occurrence