Custom Species Lists
- Rosenvingiella constricta
- Rosenvingiella polyrhiza
- Rosenvingiella radicans
- Rubrointrusa membranacea
- Ruthnielsenia tenuis
- Rutiderma apex
- Rutiderma lomae
- Sabellidae
- Sabellinae
- Saccella penderi
- Saccella taphria
- Saccharina complanata
- Saccharina dentigera
- Saccharina groenlandica
- Saccharina latissima
- Saccharina sessilis
- Saccocirridae
- Saccocirrus sp
- Saccoglossus sp
- Saccoglossus sp.
- Sagitta sp
- Sahlingia subintegra
- Salishia firma
- Salishia sanguinea
- Samytha californica
- Samytha californiensis
- Sarcodiotheca furcata
- Sarcodiotheca gaudichaudii
- Sarsia sp
- Sarsiella sp
- Sarsiellidae
- Saundersella simplex
- Saxicavella pacifica
- Saxidomus giganteus
- Scagelia occidentale
- Scalibregma californicum
- Scaphander sp
- Scaphandridae
- Scaphopoda
- Schimmelmannia plumosa
- Schistocomus hiltoni
- Schisturella cocula
- Schizobranchia insignis
- Schizobranchia sp
- Schizochlaenion rhodotrichum
- Schizoporella japonica
- Schizoporella sp
- Schizoporella unicornis
- Schizymenia pacifica
- Scinaia confusa
- Scionella japonica
- Scleroconcha trituberculata
- Scleroplax granulata
- Scolelepis nr yamaguchii
- Scolelepis sp
- Scolelepis squamata
- Scoletoma luti
- Scoletoma sp
- Scololepis foliosa
- Scoloplos acmeceps
- Scoloplos armiger
- Scoloplos armiger alaskensis
- Scoloplos armiger Cmplx
- Scoloplos sp
- Scrupocellaria elongata
- Scrupocellaria sp
- Scytosiphon canaliculatus
- Scytosiphon dotyi
- Scytosiphon lomentaria
- Scytothamnus sp.
- Selaginopsis pinnata
- Selaginopsis sp
- Selaginopsis triserialis
- Semibalanus cariosus
- Serpula columbiana
- Serpula sp
- Serpulid sp. (unident.)
- Serpulidae
- Serpulinae
- Serraticardia macmillanii
- Sertularella sp
- Sertularella tenella
- Sertularia mirabilis
- Sertularia sp
- Sertulariidae
- Sigalion spinosus
- Sigalionidae
- Sigambra bassi
- Sigambra tentaculata
- Sige bifoliata
- Sige montereyensis
- Siliqua sp
- Simomactra falcata
- Siphonostomatoida
- Sipuncula
- Sipunculids (unident.)
- Sitta carolinensis aculeata
- Smithora naiadum
- Smittina sp
- Solamen columbianum