| spirastrella | No | | | invertebrates | genus | 283506 | click here |
| spongia | No | | | invertebrates | genus | 121489 | click here |
| sporobolus maritimus | No | species | eukaryota | plants | species | 49786 | click here |
| strongylocentrotus droebachiensis | No | species | eukaryota | invertebrates | species | 7671 | click here |
| strongylocentrotus intermedius | No | species | eukaryota | invertebrates | species | 7667 | click here |
| stylissa carteri | No | species | eukaryota | invertebrates | species | 279588 | click here |
| suberites | No | | | invertebrates | genus | 55566 | click here |
| sus scrofa | No | species | eukaryota | mammals | species | 9823 | click here |
| takifugu ocellatus | No | species | eukaryota | vertebrates | species | 433686 | click here |
| tedania | No | | | invertebrates | genus | 278975 | click here |
| terpios aploos | No | species | | | species | 1336887 | click here |
| ulva lactuca | No | species | eukaryota | plants | species | 63410 | click here |
| undaria pinnatifida | No | species | eukaryota | plants | species | 74381 | click here |
| unidentified | No | no rank | unclassified and other | unassigned | species | 32644 | click here |
| urechis unicinctus | No | species | eukaryota | invertebrates | species | 6432 | click here |
| xestospongia | No | | | invertebrates | genus | 178550 | click here |
| xestospongia muta | No | species | eukaryota | invertebrates | species | 178552 | click here |
| xestospongia testudinaria | No | species | eukaryota | invertebrates | species | 178554 | click here |
| zeuxapta seriolae | No | species | eukaryota | invertebrates | species | 82873 | click here |
| zostera marina | No | species | eukaryota | plants | species | 29655 | click here |