| pterogorgia anceps | Yes | species | eukaryota | invertebrates | species | 204323 | click here |
| pterois volitans | Yes | species | eukaryota | vertebrates | species | 185886 | click here |
| pyrodinium bahamense | Yes | species | eukaryota | plants | species | 73915 | click here |
| rhabdastrella globostellata | Yes | species | | | species | 473528 | click here |
| rhodomonas sp. | Yes | no rank | eukaryota | plants | species | 77929 | click here |
| rhynchophorus ferrugineus | Yes | species | eukaryota | invertebrates | species | 354439 | click here |
| salmo salar | Yes | species | eukaryota | vertebrates | species | 8030 | click here |
| sargassum hemiphyllum | Yes | species | eukaryota | plants | species | 127544 | click here |
| sargassum sp. | Yes | no rank | eukaryota | plants | species | 74090 | click here |
| scapharca inaequivalvis | Yes | species | eukaryota | invertebrates | species | 6561 | click here |
| scopalina | Yes | | | invertebrates | genus | 85794 | click here |
| scrippsiella sp. | Yes | no rank | eukaryota | plants | species | 143670 | click here |
| sepia officinalis | Yes | species | eukaryota | invertebrates | species | 6610 | click here |
| spheciospongia | Yes | | | invertebrates | genus | 237082 | click here |
| spirastrella | Yes | | | invertebrates | genus | 283506 | click here |
| spongia officinalis | Yes | species | eukaryota | invertebrates | species | 252964 | click here |
| stylophora pistillata | Yes | species | eukaryota | invertebrates | species | 50429 | click here |
| suberites domuncula | Yes | species | eukaryota | invertebrates | species | 55567 | click here |
| synechococcus | Yes | | | bacteria | genus | 1129 | click here |
| tedania | Yes | | | invertebrates | genus | 278975 | click here |
| terpios aploos | Yes | species | | | species | 1336887 | click here |
| tethya aurantium | Yes | species | eukaryota | invertebrates | species | 281732 | click here |
| tetraselmis indica | Yes | species | | | species | 1041104 | click here |
| tetraselmis suecica | Yes | species | eukaryota | plants | species | 270643 | click here |
| thalassia hemprichii | Yes | species | eukaryota | plants | species | 55496 | click here |
| theonella swinhoei | Yes | species | | | species | 37505 | click here |
| turbinaria mesenterina | Yes | species | eukaryota | invertebrates | species | 51073 | click here |
| uca rapax | Yes | species | | | species | 1218286 | click here |
| ulosa | Yes | | | | genus | 85796 | click here |
| ulva | Yes | | | plants | genus | 3118 | click here |
| ulva intestinalis | Yes | species | eukaryota | plants | species | 3116 | click here |
| ulva prolifera | Yes | species | eukaryota | plants | species | 3117 | click here |
| ulva rigida | Yes | species | eukaryota | plants | species | 75689 | click here |
| xestospongia muta | Yes | species | eukaryota | invertebrates | species | 178552 | click here |
| xestospongia testudinaria | Yes | species | eukaryota | invertebrates | species | 178554 | click here |