Demospongiae - Protomonaxonida - Heliospongiidae
Parent taxon: Protomonaxonida according to R. M. Finks et al. 2004
See also Rigby et al. 1998
Sister taxa: Choiidae, Halichondritidae, Hamptoniidae, Hazeliidae, Leptomitidae, Lobatospongia, Mahalospongiidae, Piraniidae, Sinospongiidae, Sollasellidae, Takakkawiidae, Tethyidae, Ulospongiellidae, Wapkiidae
Subtaxa: Coelocladia Coelocladiella Heliospongia Neoheliospongia Spitsbergenia
Type: Heliospongia
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Permian of China (8 collections), Greece (1), Italy (1), Svalbard and Jan Mayen (1), Tunisia (8), United States (39: New Mexico, Texas)
• Carboniferous of Spain (3), United States (8: Colorado, New Mexico, Texas)
• Devonian of Australia (1)
Total: 70 collections including 72 occurrences