Uriz M.-J. (2006) Mineral skeletogenesis in sponges. Canadian Journal of Zoology, 84, 322–56.
Canadian Journal of Zoology,
Vacelet J. (1977) Une nouvelle relique du Secondaire: un représentant actuel des Eponges fossiles Sphinctozoaires. Comptes Rendus de l’Académie des Sciences, Séries D, 285, 509–11.
Comptes Rendus de l’Académie des Sciences, Séries D,
Vacelet J., Boury-Esnault N. (1995) Carnivorous sponges. Nature, 373, 333–5.
Nature
Voigt O. et al. (2017) Spicule formation in calcareous sponges: Coordinated expression of biomineralization genes and spicule-type specific genes. Scientific Reports, 7, 45658. DOI: 10.1038/srep45658.
et al.
Scientific Reports
Walcott C. D. (1920) Cambrian geology and paleontology IV. No. 6 Middle Cambrian Spongiae. Smithsonian Miscellaneous Collections, 67, 261–364.
Smithsonian Miscellaneous Collections,
Weaver J. C. et al. (2007) Hierarchical assembly of the siliceous skeletal lattice of the hexactinellid sponge Euplectella aspergillum. Journal of Structural Biology, 158, 93–106.
et al.
Euplectella aspergillum. Journal of Structural Biology
Wörheide G. (2008) A hypercalcified sponge with soft relatives: Vaceletia is a keratose demosponge. Molecular Phylogenetics and Evolution, 47, 433–8.
Vaceletia
Molecular Phylogenetics and Evolution
Wu W., Zhu M., Steiner M. (2014) Composition and tiering of the Cambrian sponge communities. Palaeogeography, Palaeoclimatology, Palaeoecology, 398, 86–96.
Palaeogeography, Palaeoclimatology, Palaeoecology,
Zhuravlev A. Yu. (1986) Radiocyathids. In Problematic Fossil Taxa. Eds. A. Hoffman, M. H Nitecki. New York: Oxford University Press; Oxford: Clarendon Press. P. 35–44.