Part E, Porifera (Revised), vol. 4 & 5, ch. 11, p. 709–780 Barry D. Webby School of Geosciences, University of Sydney Heldur Nestor Institute of Geology, Tallinn University of Technology DOI: https://doi.org/10.17161/dt.v0i.5762 Requires Subscription PDF Published 2015-01-01 Issue Part E, Porifera (Revised), vol. 4 & 5 (2015) Section Chapters