ESTIMATE) TOTAL SPECIES (HIGHER ESTIMATE) POTENTIALLY BIOACTIVE MARINE PHYLA Eukarya Plantae 7593 22,798 22,803 22,803 Chromista 19444 77,930 93,923 93,923 Fungi 1035 16,035 16,035 16,035 Eukarya (Animals) Protozoa 542 2,207 2,207 0 Basal Metazoa (Parazoa) Porifera 8,553 25,853 26,553 26,553 Placozoa 1 29 119 0 Basal Metazoa (Mesozoa) Mesozoa 134 774 1,684 0 Eumetazoa Radiata Ctenophora 190 315 500 0 Cnidaria (Hexacorallia) 3,152 3,976 5,105 0 Cnidaria (Octocorallia) 3,171 4,871 4,871 4,871 Cnidaria (Cubozoa) 37 67 107 107 Cnidaria (Hydrozoa) 3426 4,976 7,526 7,526 Cnidaria (Siphonophorae) 176 276 296 296 Cnidaria (Scyphozoa) 201 338 383 383 Cnidaria (Staurozoa) 48 88 113 0 Myxozoa 700 7,171 9,818 0 HOW MANY MARINE SPECIES ARE THERE ? (with proportion of potentially bioactive marine species based on reported MNPs) (1) Plants to Eumetazoa Radiata [Source: Appeltans W, et al. (2012) The Magnitude of Global Marine Species Diversity. Current Biology, http://dx.doi.org/10.1016/j.cub.2012.09.036] The problem is the sponge “unknowns”