†family Hyalostellidae Chapman 1940 (glass sponge)
Hexactinellida - Lyssakida - Hyalostellidae
Parent taxon: Lyssakida according to G. A. Brock and B.J. Cooper 1993
Sister taxa: Dilatispongia, Holasterellidae
Subtaxa: Calcihexactina
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Cambrian of Australia (2 collections), China (4), Turkey (1), the United Kingdom (2)
Total: 9 collections each including a single occurrence