found: ITIS, Feb. 23, 2007(Order Lyssacinosida, Subclass Amphidiscophora, Class Hexactinellida, Phylum Porifera)
found: Index to organism name, Feb. 23, 2007(Lyssacinosida. Hexactinellida (Class), Porifera (Phylum))
found: Sponguide : guide to sponge collection and identification, 2000, via WWW, Feb. 28, 2007:PDF p. 2 (Order Lyssacinosida, Subclass Hexasterophora, Class Hexactinellida) pp. 99-101 (Order Lyssacinosida; four extant families are recognized: Leucopsacasidae, Euplectellidae, Rossellidae, Caulophacidae)
found: Brückner, A. Taxonomy and paleoecology of lyssacinosan Hexactinellida from the Upper Cretaceous (Coniacian) of Bornholm, Denmark ... 2006:contents p. (Lyssacinosa)
found: Journal of systematic palaeontology, 11 Mar. 2004, via WWW, viewed July 31, 2007:p. 31 (Lyssacinosida) p. 47 (order Lyssacinosida) p. 54 (lyssacinosidans)
found: The Sponge Reef Project Web site, July 31, 2007:4. Results (Lyssacinosan sponges; Lyssacinosida)
