†family Pyruspongiidae Rigby 1971 (glass sponge)
Hexactinellida - Lyssacinosa - Pyruspongiidae
Full reference: J. K. Rigby. 1971. Sponges of the Ordovician Cat Head Member, Lake Winnipeg, Manitoba. Geological Survey of Canada Bulletin 202:35-79
Parent taxon: Brachiospongioidea according to R. M. Finks et al. 2004
Sister taxa: Brachiospongiidae, Malumispongiidae, Pseudolanciculidae, Stiodermatidae, Toomeyospongiidae
Subtaxa: Pyruspongia Wongaspongia
Type: Pyruspongia
Ecology: stationary epifaunal suspension feeder
Distribution: