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Hyalospongia
Taxonomy
Hyalospongia is a genus. It is not extant.
It was assigned to Lithistida by Sepkoski (2002); and to Discostromatinae by Finks et al. (2004).
It was assigned to Lithistida by Sepkoski (2002); and to Discostromatinae by Finks et al. (2004).