- Scolopostoma norah — likely to require a low level of donation
- Scolopostoma prionoplax — likely to require a low level of donation
- Scopaeopagurus megalochirus — likely to require a low level of donation
- Scopelocheiropsis abyssalis — likely to require a low level of donation
- Scopelocheiropsis armata — likely to require a low level of donation
- Scopelocheiropsis sublitoralis — likely to require a low level of donation
- Scopelocheirus abyssalis — likely to require a low level of donation
- Scopelocheirus hopei — likely to require a low level of donation
- Scopelocheirus polymedus — likely to require a low level of donation
- Scopimera bitympana — likely to require a low level of donation
- Scopimera crabicauda — likely to require a low level of donation
- Scopimera curtelsoma — likely to require a low level of donation
- Scopimera globosa — likely to require a low level of donation
- Scopimera gordonae — likely to require a low level of donation
- Scopimera inflata — likely to require a low level of donation
- Scopimera intermedia — likely to require a low level of donation
- Scopimera investigatoris — likely to require a low level of donation
- Scopimera kochi — likely to require a low level of donation
- Scopimera longidactyla — likely to require a low level of donation
- Scopimera philippinensis — likely to require a low level of donation
- Scopimera pilula — likely to require a low level of donation
- Scopimera proxima — likely to require a low level of donation
- Scopimera ryukyuensis — likely to require a low level of donation
- Scopimera sheni — likely to require a low level of donation
- Scopimera sigillorum — likely to require a low level of donation
- Scopolius nuttingi — likely to require a low level of donation
- Scotoniscus baccettii — likely to require an intermediate donation
- Scotoniscus janas — likely to require an intermediate donation
- Scotoniscus macromelos — likely to require an intermediate donation
- Sculptolithodes derjugini — likely to require a low level of donation
- Scutachiltonia axfordi — likely to require a low level of donation
- Scutischyrocerus scutatus — likely to require a low level of donation
- Scutocyamus antipodensis — likely to require a low level of donation
- Scutocyamus parvus — likely to require a low level of donation
- Scutulana pezata — likely to require a low level of donation
- Scutuloidea kutu — likely to require a low level of donation
- Scutuloidea maculata — likely to require a low level of donation
- Scutumara enodis — likely to require a low level of donation
- Scutumara laniger — likely to require a low level of donation
- Scutumara miyakei — likely to require a low level of donation
- Scylla costata — likely to require a low level of donation
- Scylla floridana — likely to require a low level of donation
- Scylla hassiaca — likely to require a low level of donation
- Scylla laevis — likely to require a low level of donation
- Scylla marianae — likely to require a low level of donation
- Scylla molassica — likely to require a low level of donation
- Scylla oceanica — likely to require a low level of donation
- Scylla olivacea — likely to require a low level of donation
- Scylla ozawai — likely to require a low level of donation
- Scylla paramamosain — likely to require a low level of donation
- Scylla sindensis — likely to require a low level of donation
- Scylla tranquebarica — likely to require a low level of donation
- Scyllarcturella falcata — likely to require a low level of donation
- Scyllarides aequinoctialis — likely to require a low level of donation
- Scyllarides astori — likely to require a low level of donation
- Scyllarides bolcensis — likely to require a low level of donation
- Scyllarides brasiliensis — likely to require a low level of donation
- Scyllarides deceptor — likely to require a low level of donation
- Scyllarides delfosi — likely to require a low level of donation
- Scyllarides elisabethae — likely to require a low level of donation
- Scyllarides fenneri — likely to require a low level of donation
- Scyllarides haanii — likely to require a low level of donation
- Scyllarides herklotsii — likely to require a low level of donation
- Scyllarides koenigi — likely to require a low level of donation
- Scyllarides latus — likely to require a low level of donation
- Scyllarides nodifer — likely to require a low level of donation
- Scyllarides obtusus — likely to require a low level of donation
- Scyllarides punctatus — likely to require a low level of donation
- Scyllarides roggeveeni — likely to require a low level of donation
- Scyllarides sculptus — likely to require a low level of donation
- Scyllarides squammosus — likely to require a low level of donation
- Scyllarides tridacnophaga — likely to require a low level of donation
- Scyllarides tuberculatus — likely to require a low level of donation
- Scyllarocuma mclaughlinae — likely to require a low level of donation
- Scyllarus americanus — likely to require a low level of donation
- Scyllarus arctus — likely to require a low level of donation
- Scyllarus brasiliensis — likely to require a low level of donation
- Scyllarus caparti — likely to require a low level of donation
- Scyllarus chacei — likely to require a low level of donation
- Scyllarus deceptor — likely to require a low level of donation
- Scyllarus delfosi — likely to require a low level of donation
- Scyllarus depressus — likely to require a low level of donation
- Scyllarus incisus — likely to require a low level of donation
- Scyllarus junghumi — likely to require a low level of donation
- Scyllarus koenigi — likely to require a low level of donation
- Scyllarus mantelli — likely to require a low level of donation
- Scyllarus obtusus — likely to require a low level of donation
- Scyllarus paradoxus — likely to require a low level of donation
- Scyllarus planorbis — likely to require a low level of donation
- Scyllarus punctatus — likely to require a low level of donation
- Scyllarus pygmaeus — likely to require a low level of donation
- Scyllarus roggveeni — likely to require a low level of donation
- Scyllarus spec — likely to require a low level of donation
- Scyllarus subarctus — likely to require a low level of donation
- Scyllarus tridacnophaga — likely to require a low level of donation
- Scyphacella arenicola — likely to require an intermediate donation
- Scyphax crescentia — likely to require an intermediate donation
- Scyphax ornatus — likely to require an intermediate donation
- Scyphax setiger — likely to require an intermediate donation
- Scypholanceola aestiva — likely to require a low level of donation
- Scypholanceola agassizi — likely to require a low level of donation
- Scyphoniscus magnus — likely to require an intermediate donation
- Scyphoniscus waitatensis — likely to require an intermediate donation
- Scyra acutifrons — likely to require a low level of donation
- Scyra compressipes — likely to require a low level of donation
- Scyra tuberculata — likely to require a low level of donation
- Scyracepon australiana — likely to require a low level of donation
- Scyracepon distincta — likely to require a low level of donation
- Scyracepon hawaiiensis — likely to require a low level of donation
- Scyracepon levis — likely to require a low level of donation
- Scyracepon oceanicum — likely to require a low level of donation
- Scyracepon quadrihamatum — likely to require a low level of donation
- Scyracepon tuberculosa — likely to require a low level of donation
- Scyramathia debilis — likely to require an intermediate donation
- Scyramathia umbonata — likely to require an intermediate donation
- Scytaelina simplex — likely to require a low level of donation
- Scytoleptus barbatus — likely to require a low level of donation
- Scytoleptus serripes — likely to require a low level of donation
- Seba aloe — likely to require a low level of donation
- Seba alvarezi — likely to require a low level of donation
- Seba antarctica — likely to require a low level of donation
- Seba armata — likely to require a low level of donation
- Seba bathybia — likely to require a low level of donation
- Seba chiltoni — likely to require a low level of donation
- Seba dubia — likely to require a low level of donation
- Seba ekepuu — likely to require a low level of donation
- Seba geogiana — likely to require a low level of donation
- Seba georgiana — likely to require a low level of donation
- Seba gloriosae — likely to require a low level of donation
- Seba gruneri — likely to require a low level of donation
- Seba henriki — likely to require a low level of donation
- Seba hirsuta — likely to require a low level of donation
- Seba latiquinta — likely to require a low level of donation
- Seba latisexta — likely to require a low level of donation
- Seba mariolgae — likely to require a low level of donation
- Seba profunda — likely to require a low level of donation
- Seba robusta — likely to require a low level of donation
- Seba saundersii — likely to require a low level of donation
- Seba stoningtonensis — likely to require a low level of donation
- Seba subantarctica — likely to require a low level of donation
- Seba tropica — likely to require a low level of donation
- Seba typica — likely to require a low level of donation
- Seba zeumindi — likely to require a low level of donation
- Sebadexius cebuense — likely to require a low level of donation
- Sebadexius neocaledoniensis — likely to require a low level of donation
- Sechelloscia angustissima — likely to require an intermediate donation
- Sechelloscia benoiti — likely to require an intermediate donation
- Sechelloscia mucronata — likely to require an intermediate donation
- Sechelloscia vanmoli — likely to require an intermediate donation
- Sedorolis simplex — likely to require a low level of donation
- Segonzacia mesatlantica — likely to require an intermediate donation
- Segonzackomaius altus — likely to require a low level of donation
- Segonzackomaius burukovskyi — likely to require a low level of donation
- Seiitaoides orientalis — likely to require an intermediate donation
- Seiitaoides stimpsonii — likely to require an intermediate donation
- Selatium brockii — likely to require a low level of donation
- Selatium elongatum — likely to require a low level of donation
- Selvacaprella jimenoi — likely to require a low level of donation
- Selwynia brevipes — likely to require a low level of donation
- Selwynia edmondsoni — likely to require a low level of donation
- Selwynia laevis — likely to require a low level of donation
- Selwynia loimiae — likely to require a low level of donation
- Selwynia madang — likely to require a low level of donation
- Selwynia panglao — likely to require a low level of donation
- Selwynia punctata — likely to require a low level of donation
- Selwynia sibogae — likely to require a low level of donation
- Semicirculara lincangensis — likely to require an intermediate donation
- Semidodecas beuroisi — likely to require a low level of donation
- Sendleria genuitei — likely to require an intermediate donation
- Sendleria gjellerupi — likely to require an intermediate donation
- Sendleria gloriosa — likely to require an intermediate donation
- Sendleria salomonis — likely to require an intermediate donation
- Sennaia bidactyla — likely to require a low level of donation
- Sensonator valentienensis — likely to require a low level of donation
- Sensonator valentiensis — likely to require a low level of donation
- Sentogammarus zienkowiczii — likely to require a low level of donation
- Septembopyrina tozeumaophila — likely to require a low level of donation
- Septemserolis glacialis — likely to require a low level of donation
- Septemserolis nobilis — likely to require a low level of donation
- Septemserolis ovata — likely to require a low level of donation
- Septemserolis septemcarinata — likely to require a low level of donation
- Ser fukiensis — likely to require an intermediate donation
- Serbanibathynella primaindica — likely to require a low level of donation
- Serbanibathynella secunda — likely to require a low level of donation
- Serejohyale ramalhoi — likely to require a low level of donation
- Serejohyale spinidactyloides — likely to require a low level of donation
- Serejohyale spinidactylus — likely to require a low level of donation
- Serejohyale youngi — likely to require a low level of donation
- Serendibia cavernicola — likely to require an intermediate donation
- Serendibia denticulata — likely to require an intermediate donation
- Serendibia filiformis — likely to require an intermediate donation
- Serendibia samhaensis — likely to require an intermediate donation
- Serendibia vagans — likely to require an intermediate donation
- Serenella leachii — likely to require a low level of donation
- Serenepilumnus kuekenthali — likely to require an intermediate donation
- Serenepilumnus leopoldi — likely to require an intermediate donation
- Serenepilumnus pisifer — likely to require an intermediate donation
- Serenepilumnus velasquezi — likely to require an intermediate donation
- Serenius andamanicus — likely to require a low level of donation
- Serenius ceylonicus — likely to require a low level of donation
- Serenius demani — likely to require a low level of donation
- Serenius gemmula — likely to require a low level of donation
- Serenius kuekenthali — likely to require a low level of donation
- Serenius pilosus — likely to require a low level of donation
- Serenolumnus kasijani — likely to require an intermediate donation
- Serenotheres besutensis — likely to require a low level of donation
- Serenotheres janus — likely to require a low level of donation
- Sergestes arachnipodus — likely to require a low level of donation
- Sergestes atlanticus — likely to require a low level of donation
- Sergestes cornutus — likely to require a low level of donation
- Sergestes dorispinalis — likely to require a low level of donation
- Sergestes formosensis — likely to require a low level of donation
- Sergestes gibbolobatus — likely to require a low level of donation
- Sergestes grandipes — likely to require a low level of donation
- Sergestes hamifer — likely to require a low level of donation
- Sergestes henseni — likely to require a low level of donation
- Sergestes inermis — likely to require a low level of donation
- Sergestes latirostris — likely to require a low level of donation
- Sergestes longicollus — likely to require a low level of donation
- Sergia bigemmea — likely to require a low level of donation
- Sergia bisulcata — likely to require a low level of donation
- Sergia burukovskii — likely to require a low level of donation
- Sergia challengeri — likely to require a low level of donation
- Sergia colosii — likely to require a low level of donation
- Sergia crosnieri — likely to require a low level of donation
- Sergia erythraeensis — likely to require a low level of donation
- Sergia extenuata — likely to require a low level of donation
- Sergia filicta — likely to require a low level of donation
- Sergia foresti — likely to require a low level of donation
- Sergia fulgens — likely to require a low level of donation
- Sergia gardineri — likely to require a low level of donation
- Sergia grandis — likely to require a low level of donation
- Sergia hansjacobi — likely to require a low level of donation
- Sergia inequalis — likely to require a low level of donation
- Sergia inoa — likely to require a low level of donation
- Sergia japonica — likely to require a low level of donation
- Sergia jeppeseni — likely to require a low level of donation
- Sergia kensleyi — likely to require a low level of donation
- Sergia laminata — likely to require a low level of donation
- Sergia lucens — likely to require a low level of donation
- Sergia manningorum — likely to require a low level of donation
- Sergia maxima — likely to require a low level of donation
- Sergia nr. robusta HDBG-2012 — likely to require a low level of donation
- Sergia oksanae — likely to require a low level of donation
- Sergia phorca — likely to require a low level of donation
- Sergia plumea — likely to require a low level of donation
- Sergia potens — likely to require a low level of donation
- Sergia prehensilis — likely to require a low level of donation
- Sergia profunda — likely to require a low level of donation
- Sergia regalis — likely to require a low level of donation
- Sergia remipes — likely to require a low level of donation
- Sergia robusta — likely to require a low level of donation
- Sergia scintillans — likely to require a low level of donation
- Sergia splendens — likely to require a low level of donation
- Sergia stellata — likely to require a low level of donation
- Sergia talismani — likely to require a low level of donation
- Sergia tenuiremis — likely to require a low level of donation
- Sergia umitakae — likely to require a low level of donation
- Sergia vityazi — likely to require a low level of donation
- Sergia wolffi — likely to require a low level of donation
- Sergio guaiqueri — likely to require a low level of donation
- Sergio guara — likely to require a low level of donation
- Sergio guassutinga — likely to require a low level of donation
- Sergio mirim — likely to require a low level of donation
- Sergio sulfureus — likely to require a low level of donation
- Sergio trilobata — likely to require a low level of donation
- Serolella bouvieri — likely to require a low level of donation
- Serolella pagenstecheri — likely to require a low level of donation
- Serolella platygaster — likely to require a low level of donation
- Serolina acaste — likely to require a low level of donation
- Serolina bakeri — likely to require a low level of donation
- Serolina clarella — likely to require a low level of donation
- Serolina delaria — likely to require a low level of donation
- Serolina eugeniae — likely to require a low level of donation
- Serolina granularia — likely to require a low level of donation
- Serolina holia — likely to require a low level of donation
- Serolina kawina — likely to require a low level of donation
- Serolina minuta — likely to require a low level of donation
- Serolina nepea — likely to require a low level of donation
- Serolina orriella — likely to require a low level of donation
- Serolina yongei — likely to require a low level of donation
- Serolis antarctica — likely to require a low level of donation
- Serolis arntzi — likely to require a low level of donation
- Serolis aspera — likely to require a low level of donation
- Serolis fabricii — likely to require a low level of donation
- Serolis glacialis — likely to require a low level of donation
- Serolis gracilis — likely to require a low level of donation
- Serolis hoshiaii — likely to require a low level of donation
- Serolis insignis — likely to require a low level of donation
- Serolis kempi — likely to require a low level of donation
- Serolis leachi — likely to require a low level of donation
- Serolis paradoxa — likely to require a low level of donation
- Serolis reptans — likely to require a low level of donation
- Serolis reptas — likely to require a low level of donation
- Serolis rugosa — likely to require a low level of donation
- Serolis serresi — likely to require a low level of donation
- Serolis zoiphila — likely to require a low level of donation
- Seroloniscus incertus — likely to require a low level of donation
- Serpenthusa brucei — likely to require a low level of donation
- Sesarma abeokuta — likely to require a low level of donation
- Sesarma aequatoriale — likely to require a low level of donation
- Sesarma angolense — likely to require a low level of donation
- Sesarma ayatum — likely to require a low level of donation
- Sesarma bidentatum — likely to require a low level of donation
- Sesarma boulengeri — likely to require a low level of donation
- Sesarma bromeliarum — likely to require a low level of donation
- Sesarma buettikoferi — likely to require a low level of donation
- Sesarma carolinensis — likely to require a low level of donation
- Sesarma cookei — likely to require a low level of donation
- Sesarma crassipes — likely to require a low level of donation
- Sesarma curacaoense — likely to require a low level of donation
- Sesarma dehaani — likely to require a low level of donation
- Sesarma dolphinum — likely to require a low level of donation
- Sesarma fossarum — likely to require a low level of donation
- Sesarma jarvisi — likely to require a low level of donation
- Sesarma johorense — likely to require a low level of donation
- Sesarma johorensis — likely to require a low level of donation
- Sesarma meridies — likely to require a low level of donation
- Sesarma mindanaoense — likely to require a low level of donation
- Sesarma neglectum — likely to require a low level of donation
- Sesarma oblongata — likely to require a low level of donation
- Sesarma obtusifrons — likely to require a low level of donation
- Sesarma occidentalis — likely to require a low level of donation
- Sesarma ortmanni — likely to require a low level of donation
- Sesarma palmeri — likely to require a low level of donation
- Sesarma paraensis — likely to require a low level of donation
- Sesarma penangensis — likely to require a low level of donation
- Sesarma primigenium — likely to require a low level of donation
- Sesarma quadrilaterum — likely to require a low level of donation
- Sesarma rectum — likely to require a low level of donation
- Sesarma reticulatum — likely to require a low level of donation
- Sesarma rhizophorae — likely to require a low level of donation
- Sesarma rubinofforum — likely to require a low level of donation
- Sesarma sediliensis — likely to require a low level of donation
- Sesarma sinensis — likely to require a low level of donation
- Sesarma singaporensis — likely to require a low level of donation
- Sesarma sulcatum — likely to require a low level of donation
- Sesarma tiomanense — likely to require a low level of donation
- Sesarma verleyi — likely to require a low level of donation
- Sesarma weberi — likely to require a low level of donation
- Sesarma windsor — likely to require a low level of donation
- Sesarmoides borneensis — likely to require a low level of donation
- Sesarmoides guamensis — likely to require a low level of donation
- Sesarmoides kraussi — likely to require a low level of donation
- Sesarmoides longipes — likely to require a low level of donation
- Sesarmops atrorubens — likely to require a low level of donation
- Sesarmops impressus — likely to require a low level of donation
- Sesarmops intermedius — likely to require a low level of donation
- Sesarmops mindanaoensis — likely to require a low level of donation
- Sestrostoma balssi — likely to require a low level of donation
- Sestrostoma depressum — likely to require a low level of donation
- Sestrostoma hichiro — likely to require a low level of donation
- Sestrostoma toriumii — likely to require a low level of donation
- Setanida cristata — likely to require a low level of donation
- Setosamon somchaii — likely to require an intermediate donation
- Setosamon ubon — likely to require an intermediate donation
- Setozius incertus — likely to require an intermediate donation
- Seulocia anahita — likely to require an intermediate donation
- Seulocia crepuscula — likely to require an intermediate donation
- Seulocia cristata — likely to require an intermediate donation
- Seulocia gagulae — likely to require an intermediate donation
- Seulocia laevimana — likely to require an intermediate donation
- Seulocia latirostrata — likely to require an intermediate donation
- Seulocia pubescens — likely to require an intermediate donation
- Seulocia pulchra — likely to require an intermediate donation
- Seulocia rhomboidalis — likely to require an intermediate donation
- Seulocia truncata — likely to require an intermediate donation
- Seulocia vittata — likely to require an intermediate donation
- Sextonia caecus — likely to require a low level of donation
- Sextonia longirostris — likely to require a low level of donation
- Seychellana expansa — likely to require a low level of donation
- Seychellum alluaudi — likely to require an intermediate donation
- Seychellum mahefregate — likely to require an intermediate donation
- Seychellum silhouette — likely to require an intermediate donation
- Shablogammarus chablensis — likely to require a low level of donation
- Shablogammarus subnudus — likely to require a low level of donation
- Shackletonia robusta — likely to require a low level of donation
- Shanphusa browneana — likely to require an intermediate donation
- Shanphusa curtobates — likely to require an intermediate donation
- Shanphusa ywarngan — likely to require an intermediate donation
- Sheardella kapala — likely to require a low level of donation
- Sheardella tangaroa — likely to require a low level of donation
- Sheardia antennata — likely to require a low level of donation
- Shenimysis cordata — likely to require a low level of donation
- Shenius anomalus — likely to require a low level of donation
- Shiinoella gracilipes — likely to require a low level of donation
- Shinikaia crosnieri — likely to require a low level of donation
- Shinkaia crosnieri — likely to require a low level of donation
- Shinkaia katapsyxis — likely to require a low level of donation
- Shinkaicaris leurokolos — likely to require a low level of donation
- Shoemakerella barnardi — likely to require a low level of donation
- Shoemakerella cubensis — likely to require a low level of donation
- Shoemakerella fissipro — likely to require a low level of donation
- Shoemakerella lowryi — likely to require a low level of donation
- Shoemakerella subchelata — likely to require a low level of donation
- Shoemakerella ungulata — likely to require a low level of donation
- Shoemakeroides cornigerus — likely to require a low level of donation
- Shoemakeroides gagarae — likely to require a low level of donation
- Siambathynella laorsriae — likely to require a low level of donation
- Siamosquilla hyllebergi — likely to require an intermediate donation
- Siamosquilla laevicaudata — likely to require an intermediate donation
- Siamthelphusa acutidens — likely to require an intermediate donation
- Siamthelphusa faxoni — likely to require an intermediate donation
- Siamthelphusa holthuisi — likely to require an intermediate donation
- Siamthelphusa improvisa — likely to require an intermediate donation
- Siamthelphusa nan — likely to require an intermediate donation
- Siamthelphusa paviei — likely to require an intermediate donation
- Siamthelphusa retimanus — likely to require an intermediate donation
- Siamthelphusa transversa — likely to require an intermediate donation
- Siamthelphusa variegata — likely to require an intermediate donation
- Sibirasellus parpurae — likely to require a low level of donation
- Sicafodia iceage — likely to require a low level of donation
- Sicafodia stylos — likely to require a low level of donation
- Siciloniscus tulliae — likely to require an intermediate donation
- Sicyonella antennata — likely to require a low level of donation
- Sicyonella inermis — likely to require a low level of donation
- Sicyonella maldivensis — likely to require a low level of donation
- Sicyonia abathophila — likely to require a low level of donation
- Sicyonia adunca — likely to require a low level of donation
- Sicyonia affinis — likely to require a low level of donation
- Sicyonia aliaffinis — likely to require a low level of donation
- Sicyonia altirostrum — likely to require a low level of donation
- Sicyonia australiensis — likely to require a low level of donation
- Sicyonia benthophila — likely to require a low level of donation
- Sicyonia bispinosa — likely to require a low level of donation
- Sicyonia brevirostris — likely to require a low level of donation
- Sicyonia burkenroadi — likely to require a low level of donation
- Sicyonia carinata — likely to require a low level of donation
- Sicyonia curvirostris — likely to require a low level of donation
- Sicyonia dejouanneti — likely to require a low level of donation
- Sicyonia disdorsalis — likely to require a low level of donation
- Sicyonia disedwardsi — likely to require a low level of donation
- Sicyonia disparri — likely to require a low level of donation
- Sicyonia dorsalis — likely to require a low level of donation
- Sicyonia fallax — likely to require a low level of donation
- Sicyonia furcata — likely to require a low level of donation
- Sicyonia galeata — likely to require a low level of donation
- Sicyonia inflexa — likely to require a low level of donation
- Sicyonia ingentis — likely to require a low level of donation
- Sicyonia japonica — likely to require a low level of donation
- Sicyonia komai — likely to require a low level of donation
- Sicyonia laevigata — likely to require a low level of donation
- Sicyonia laevis — likely to require a low level of donation
- Sicyonia lancifer — likely to require a low level of donation
- Sicyonia longicauda — likely to require a low level of donation
- Sicyonia longicornis — likely to require a low level of donation
- Sicyonia martini — likely to require a low level of donation
- Sicyonia metavitulans — likely to require a low level of donation
- Sicyonia mixta — likely to require a low level of donation
- Sicyonia nasica — likely to require a low level of donation
- Sicyonia ocellata — likely to require a low level of donation
- Sicyonia olgae — likely to require a low level of donation
- Sicyonia parafallax — likely to require a low level of donation
- Sicyonia parajaponica — likely to require a low level of donation
- Sicyonia parri — likely to require a low level of donation
- Sicyonia parvula — likely to require a low level of donation
- Sicyonia penicillata — likely to require a low level of donation
- Sicyonia picta — likely to require a low level of donation
- Sicyonia rectirostris — likely to require a low level of donation
- Sicyonia robusta — likely to require a low level of donation
- Sicyonia rocroi — likely to require a low level of donation
- Sicyonia rotunda — likely to require a low level of donation
- Sicyonia stimpsoni — likely to require a low level of donation
- Sicyonia taiwanensis — likely to require a low level of donation
- Sicyonia trispinosa — likely to require a low level of donation
- Sicyonia truncata — likely to require a low level of donation
- Sicyonia typica — likely to require a low level of donation
- Sicyonia vitulans — likely to require a low level of donation
- Sicyonia wheeleri — likely to require a low level of donation
- Sigyn branchialis — likely to require a low level of donation
- Similipedia diarris — likely to require a low level of donation
- Similipedia eminescui — likely to require a low level of donation
- Simocarcinus camelus — likely to require an intermediate donation
- Simocarcinus depressus — likely to require an intermediate donation
- Simocarcinus longirostris — likely to require an intermediate donation
- Simocarcinus obtusirostris — likely to require an intermediate donation
- Simocarcinus pusillus — likely to require an intermediate donation
- Simocarcinus pyramidatus — likely to require an intermediate donation
- Simocarcinus rostratus — likely to require an intermediate donation
- Simocarcinus samoaensis — likely to require an intermediate donation
- Simocarcinus simplex — likely to require an intermediate donation
- Simodorippe tylota — likely to require an intermediate donation
- Simorhynchotus antennarius — likely to require a low level of donation
- Sindheres karachiensis — likely to require a low level of donation
- Sinelobus barretti — likely to require a low level of donation
- Sinelobus bathykolpos — likely to require a low level of donation
- Sinelobus pinkenba — likely to require a low level of donation
- Sinelobus stanfordi — likely to require a low level of donation
- Sinelobus stromatoliticus — likely to require a low level of donation
- Sinelobus vanhaareni — likely to require a low level of donation
- Singhaplax danielae — likely to require a low level of donation
- Singhaplax dichotoma — likely to require a low level of donation
- Singhaplax holthuisi — likely to require a low level of donation
- Singhaplax lipkei — likely to require a low level of donation
- Singhaplax nipponensis — likely to require a low level of donation
- Singhaplax ockelmanni — likely to require a low level of donation
- Singhaplax orientalis — likely to require a low level of donation
- Singhaplax platypoda — likely to require a low level of donation
- Singhaplax rhamphe — likely to require a low level of donation
- Singhaplax styrax — likely to require a low level of donation