title: Treatise Online, no. 36: Part E, Revised, Volume 4, Chapter 2E: Paleoecology of the hypercalcified chaetetid-type Porifera (Demospongiae)
abstract: Pollution Synecology (topic 4) *Epibioses Sponges as epibionts Epibionts on sponges Stratification and evolution of demosponge growth: competition and cooperation relative to substrate *Relations between demosponges and between demosponges and other sessile organisms Predation *Endobionts: commensal and parasitic *Association with algae and bacteria endobionts Association with bacteria Association with cyanophytes Association with unicellular algal eukaryotes
journal: Treatise Online