†family Takakkawiidae De Laubenfels 1955 (demosponge)
Demospongiae - Protomonaxonida - Takakkawiidae
Parent taxon: Protomonaxonida according to R. M. Finks et al. 2004
Sister taxa: Choiidae, Halichondritidae, Hamptoniidae, Hazeliidae, Heliospongiidae, Leptomitidae, Lobatospongia, Mahalospongiidae, Piraniidae, Sinospongiidae, Sollasellidae, Tethyidae, Ulospongiellidae, Wapkiidae
Subtaxa: Takakkawia
Type: Takakkawia
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Cambrian of Canada (1: British Columbia collection)
• Delamaran of Canada (23: British Columbia)
Total: 24 collections each including a single occurrence