Sabella, Genus
Sabellaria, Genus
Sabellariida, Ordo
Sabellida, Ordo
Sacculina, Genus
Sagartia, Genus
Sagartiogeton, Genus
Sargassum, Genus
Schizomavella, Genus
Scophthalmus, Genus
Scorpaeniformes, Ordo
Scrupocellaria, Genus
Scyliorhinidae, Familia
Scyliorhinus, Genus
Scyphozoa, Subphylum
Scytosiphon, Genus
Semibalanus, Genus
Sepia, Genus
Sepiola, Genus
Sertularia, Genus
Solea, Genus
Soleidae, Familia
Sphacelaria, Genus
Spinachia, Genus
Spionida, Ordo
Spisula, Genus
Styela, Genus
Sycon, Genus
Syngnathidae, Familia
Syngnathiformes, Ordo
Syngnathus, Genus