- Raytheres clavapedatus — likely to require a low level of donation
- Rectarcturus kophameli — likely to require a low level of donation
- Rectarcturus laevis — likely to require a low level of donation
- Rectarcturus ornatus — likely to require a low level of donation
- Rectarcturus patagonicus — likely to require a low level of donation
- Rectarcturus similis — likely to require a low level of donation
- Rectarcturus tuberculatus — likely to require a low level of donation
- Rectisura brachycephala — likely to require a low level of donation
- Rectisura distincta — likely to require a low level of donation
- Rectisura furcata — likely to require a low level of donation
- Rectisura herculea — likely to require a low level of donation
- Rectisura kurilica — likely to require a low level of donation
- Rectisura menziesi — likely to require a low level of donation
- Rectisura richardsonae — likely to require a low level of donation
- Rectisura sepigia — likely to require a low level of donation
- Rectisura serrata — likely to require a low level of donation
- Rectisura slavai — likely to require a low level of donation
- Rectisura tenuispinis — likely to require a low level of donation
- Rectisura vitjazi — likely to require a low level of donation
- Rectopalicus amphiceros — likely to require an intermediate donation
- Rectopalicus ampullatus — likely to require an intermediate donation
- Rectopalicus woodmasoni — likely to require an intermediate donation
- Reductoniscus costulatus — likely to require an intermediate donation
- Reductoniscus novaehiberniae — likely to require an intermediate donation
- Reductoniscus pulcher — likely to require an intermediate donation
- Reductoniscus tuberculatus — likely to require an intermediate donation
- Reductosoma gunnera — likely to require a low level of donation
- Regabellator abyssi — likely to require a low level of donation
- Regabellator armatus — likely to require a low level of donation
- Regabellator brixorum — likely to require a low level of donation
- Regabellator profugus — likely to require a low level of donation
- Reinhardia dimorpha — likely to require a low level of donation
- Relictomoera relicta — likely to require a low level of donation
- Remasellus parvus — likely to require a low level of donation
- Remexudes toompani — likely to require a low level of donation
- Remiarctus bertholdii — likely to require a low level of donation
- Remyranina ornata — likely to require a low level of donation
- Renella sculptidentata — likely to require a low level of donation
- Renocila alkoo — likely to require an intermediate donation
- Renocila bollandi — likely to require an intermediate donation
- Renocila bowmani — likely to require an intermediate donation
- Renocila colini — likely to require an intermediate donation
- Renocila curtipinnata — likely to require an intermediate donation
- Renocila heterozota — likely to require an intermediate donation
- Renocila indica — likely to require an intermediate donation
- Renocila kohnoi — likely to require an intermediate donation
- Renocila limbata — likely to require an intermediate donation
- Renocila loriae — likely to require an intermediate donation
- Renocila ovata — likely to require an intermediate donation
- Renocila periophthalma — likely to require an intermediate donation
- Renocila plesiopi — likely to require an intermediate donation
- Renocila quadrata — likely to require an intermediate donation
- Renocila richardsonae — likely to require an intermediate donation
- Renocila thresherorum — likely to require an intermediate donation
- Renocila waldneri — likely to require an intermediate donation
- Renocila yamazatoi — likely to require an intermediate donation
- Reschia barbarae — likely to require a low level of donation
- Resupinus coloni — likely to require a low level of donation
- Resupinus spinicaudatus — likely to require a low level of donation
- Resupinus visendus — likely to require a low level of donation
- Retromysis nura — likely to require a low level of donation
- Retropluma borealis — likely to require an intermediate donation
- Retropluma craverii — likely to require an intermediate donation
- Retropluma denticulata — likely to require an intermediate donation
- Retropluma eocenica — likely to require an intermediate donation
- Retropluma gallica — likely to require an intermediate donation
- Retropluma notopus — likely to require an intermediate donation
- Retropluma planiforma — likely to require an intermediate donation
- Retropluma plumosa — likely to require an intermediate donation
- Retropluma quadrata — likely to require an intermediate donation
- Retropluma serenei — likely to require an intermediate donation
- Retropluma signifera — likely to require an intermediate donation
- Retropluma solomonensis — likely to require an intermediate donation
- Rhabdoniscus robustus — likely to require an intermediate donation
- Rhabdonotus pictus — likely to require an intermediate donation
- Rhabdonotus pilipes — likely to require an intermediate donation
- Rhabdonotus xynon — likely to require an intermediate donation
- Rhabdosoma armatum — likely to require a low level of donation
- Rhabdosoma brevicaudatum — likely to require a low level of donation
- Rhabdosoma minor — likely to require a low level of donation
- Rhabdosoma whitei — likely to require a low level of donation
- Rhachotropis abyssalis — likely to require a low level of donation
- Rhachotropis aculeata — likely to require a low level of donation
- Rhachotropis americana — likely to require a low level of donation
- Rhachotropis anoculata — likely to require a low level of donation
- Rhachotropis anomala — likely to require a low level of donation
- Rhachotropis antarctica — likely to require a low level of donation
- Rhachotropis arii — likely to require a low level of donation
- Rhachotropis barnardi — likely to require a low level of donation
- Rhachotropis boreopacifica — likely to require a low level of donation
- Rhachotropis caeca — likely to require a low level of donation
- Rhachotropis calceolata — likely to require a low level of donation
- Rhachotropis cervus — likely to require a low level of donation
- Rhachotropis chathamensis — likely to require a low level of donation
- Rhachotropis clemens — likely to require a low level of donation
- Rhachotropis conlanae — likely to require a low level of donation
- Rhachotropis delicata — likely to require a low level of donation
- Rhachotropis distincta — likely to require a low level of donation
- Rhachotropis elliottana — likely to require a low level of donation
- Rhachotropis faeroensis — likely to require a low level of donation
- Rhachotropis flamina — likely to require a low level of donation
- Rhachotropis flemmingi — likely to require a low level of donation
- Rhachotropis gislii — likely to require a low level of donation
- Rhachotropis glabra — likely to require a low level of donation
- Rhachotropis gloriosae — likely to require a low level of donation
- Rhachotropis gracilis — likely to require a low level of donation
- Rhachotropis grimaldii — likely to require a low level of donation
- Rhachotropis gubilata — likely to require a low level of donation
- Rhachotropis helleri — likely to require a low level of donation
- Rhachotropis hunteri — likely to require a low level of donation
- Rhachotropis inermis — likely to require a low level of donation
- Rhachotropis inflata — likely to require a low level of donation
- Rhachotropis integricauda — likely to require a low level of donation
- Rhachotropis kergueleni — likely to require a low level of donation
- Rhachotropis leucophthalma — likely to require a low level of donation
- Rhachotropis levantis — likely to require a low level of donation
- Rhachotropis licornia — likely to require a low level of donation
- Rhachotropis lobata — likely to require a low level of donation
- Rhachotropis lomonosovi — likely to require a low level of donation
- Rhachotropis luculenta — likely to require a low level of donation
- Rhachotropis ludificor — likely to require a low level of donation
- Rhachotropis macropus — likely to require a low level of donation
- Rhachotropis marinae — likely to require a low level of donation
- Rhachotropis minuta — likely to require a low level of donation
- Rhachotropis multesimus — likely to require a low level of donation
- Rhachotropis natator — likely to require a low level of donation
- Rhachotropis northriana — likely to require a low level of donation
- Rhachotropis novazealandica — likely to require a low level of donation
- Rhachotropis oculata — likely to require a low level of donation
- Rhachotropis oweni — likely to require a low level of donation
- Rhachotropis paeneglaber — likely to require a low level of donation
- Rhachotropis palporum — likely to require a low level of donation
- Rhachotropis pilosa — likely to require a low level of donation
- Rhachotropis platycera — likely to require a low level of donation
- Rhachotropis portoricana — likely to require a low level of donation
- Rhachotropis proxima — likely to require a low level of donation
- Rhachotropis rossi — likely to require a low level of donation
- Rhachotropis rostrata — likely to require a low level of donation
- Rhachotropis saskia — likely to require a low level of donation
- Rhachotropis schellenbergi — likely to require a low level of donation
- Rhachotropis siboge — likely to require a low level of donation
- Rhachotropis thordisae — likely to require a low level of donation
- Rhachotropis thorkelli — likely to require a low level of donation
- Rhachotropis wimvaderi — likely to require a low level of donation
- Rhadinoplax microphthalmus — likely to require a low level of donation
- Rhepoxynius abronius — likely to require a low level of donation
- Rhepoxynius barnardi — likely to require a low level of donation
- Rhepoxynius bicuspidatus — likely to require a low level of donation
- Rhepoxynius boreovariatus — likely to require a low level of donation
- Rhepoxynius daboius — likely to require a low level of donation
- Rhepoxynius epistomus — likely to require a low level of donation
- Rhepoxynius fatigans — likely to require a low level of donation
- Rhepoxynius gemmatus — likely to require a low level of donation
- Rhepoxynius heterocuspidatus — likely to require a low level of donation
- Rhepoxynius homocuspidatus — likely to require a low level of donation
- Rhepoxynius hudsoni — likely to require a low level of donation
- Rhepoxynius lucubrans — likely to require a low level of donation
- Rhepoxynius menziesi — likely to require a low level of donation
- Rhepoxynius obtusidens — likely to require a low level of donation
- Rhepoxynius pallidus — likely to require a low level of donation
- Rhepoxynius stenodes — likely to require a low level of donation
- Rhepoxynius tridentatus — likely to require a low level of donation
- Rhepoxynius variatus — likely to require a low level of donation
- Rhepoxynius vigitegus — likely to require a low level of donation
- Rhiganthura capricornica — likely to require a low level of donation
- Rhiganthura spinosa — likely to require a low level of donation
- Rhinocarcinus agassizi — likely to require an intermediate donation
- Rhinoecetes albomaculosus — likely to require a low level of donation
- Rhinoecetes anneae — likely to require a low level of donation
- Rhinoecetes brevirostris — likely to require a low level of donation
- Rhinoecetes caetus — likely to require a low level of donation
- Rhinoecetes coclearis — likely to require a low level of donation
- Rhinoecetes dinoceros — likely to require a low level of donation
- Rhinoecetes karkharius — likely to require a low level of donation
- Rhinoecetes lowryi — likely to require a low level of donation
- Rhinoecetes makritrichoma — likely to require a low level of donation
- Rhinoecetes meridianus — likely to require a low level of donation
- Rhinoecetes rhinoceros — likely to require a low level of donation
- Rhinoecetes robustus — likely to require a low level of donation
- Rhinoecetes rockinghamia — likely to require a low level of donation
- Rhinoecetes setosus — likely to require a low level of donation
- Rhinoecetes sinuduopopulus — likely to require a low level of donation
- Rhinoecetes spinicaudus — likely to require a low level of donation
- Rhinoecetes wamus — likely to require a low level of donation
- Rhinolambrus contrarius — likely to require a low level of donation
- Rhinolambrus cybelis — likely to require a low level of donation
- Rhinolambrus hayamaensis — likely to require a low level of donation
- Rhinolambrus lamellifrons — likely to require a low level of donation
- Rhinolambrus lamelliger — likely to require a low level of donation
- Rhinolambrus lippus — likely to require a low level of donation
- Rhinolambrus longispinus — likely to require a low level of donation
- Rhinolambrus minimus — likely to require a low level of donation
- Rhinolambrus parvus — likely to require a low level of donation
- Rhinolambrus pelagicus — likely to require a low level of donation
- Rhinolambrus rudis — likely to require a low level of donation
- Rhinolambrus sisimanensis — likely to require a low level of donation
- Rhinolambrus spinifer — likely to require a low level of donation
- Rhinolambrus sublitoralis — likely to require a low level of donation
- Rhinolambrus turriger — likely to require a low level of donation
- Rhinolithodes wosnessenskii — likely to require a low level of donation
- Rhinopleustes acuminatus — likely to require a low level of donation
- Rhinospinosa demani — likely to require an intermediate donation
- Rhiothra callipia — likely to require an intermediate donation
- Rhipidogammarus gomeranus — likely to require a low level of donation
- Rhipidogammarus karamani — likely to require a low level of donation
- Rhipidogammarus nivariae — likely to require a low level of donation
- Rhipidogammarus rheophilus — likely to require a low level of donation
- Rhipidogammarus rheoplilus — likely to require a low level of donation
- Rhipidogammarus rhipidiophorus — likely to require a low level of donation
- Rhipidogammarus triumvir — likely to require a low level of donation
- Rhipidogammarus variicauda — likely to require a low level of donation
- Rhithropanopeus harrisii — likely to require a low level of donation
- Rhizopa gracilipes — likely to require an intermediate donation
- Rhizopoides yangae — likely to require an intermediate donation
- Rhodesillo insulanus — likely to require an intermediate donation
- Rhodesillo sulcifrons — likely to require an intermediate donation
- Rhodochirus hirtimanus — likely to require a low level of donation
- Rhodochirus rosaceus — likely to require a low level of donation
- Rhodopioniscus beroni — likely to require an intermediate donation
- Rhopalaemon belindae — likely to require a low level of donation
- Rhopalione atrinicolae — likely to require a low level of donation
- Rhopalione incerta — likely to require a low level of donation
- Rhopalione kali — likely to require a low level of donation
- Rhopalione sinensis — likely to require a low level of donation
- Rhopalione uromyzon — likely to require a low level of donation
- Rhopalophthalmus africanus — likely to require a low level of donation
- Rhopalophthalmus anishi — likely to require a low level of donation
- Rhopalophthalmus armiger — likely to require a low level of donation
- Rhopalophthalmus brisbanensis — likely to require a low level of donation
- Rhopalophthalmus chilkensis — likely to require a low level of donation
- Rhopalophthalmus constrictus — likely to require a low level of donation
- Rhopalophthalmus dakini — likely to require a low level of donation
- Rhopalophthalmus egregius — likely to require a low level of donation
- Rhopalophthalmus flagellipes — likely to require a low level of donation
- Rhopalophthalmus hastatus — likely to require a low level of donation
- Rhopalophthalmus indicus — likely to require a low level of donation
- Rhopalophthalmus kempi — likely to require a low level of donation
- Rhopalophthalmus longicauda — likely to require a low level of donation
- Rhopalophthalmus longipes — likely to require a low level of donation
- Rhopalophthalmus macropsis — likely to require a low level of donation
- Rhopalophthalmus mediterraneus — likely to require a low level of donation
- Rhopalophthalmus mumbayensis — likely to require a low level of donation
- Rhopalophthalmus murudana — likely to require a low level of donation
- Rhopalophthalmus orientalis — likely to require a low level of donation
- Rhopalophthalmus philippinensis — likely to require a low level of donation
- Rhopalophthalmus tartessicus — likely to require a low level of donation
- Rhopalophthalmus tattersallae — likely to require a low level of donation
- Rhopalophthalmus terranatalis — likely to require a low level of donation
- Rhopalophthalmus tropicalis — likely to require a low level of donation
- Rhopalophthalmus vijayai — likely to require a low level of donation
- Rhynchocinetes albatrossae — likely to require a low level of donation
- Rhynchocinetes australis — likely to require a low level of donation
- Rhynchocinetes balssi — likely to require a low level of donation
- Rhynchocinetes brucei — likely to require a low level of donation
- Rhynchocinetes conspiciocellus — likely to require a low level of donation
- Rhynchocinetes durbanensis — likely to require a low level of donation
- Rhynchocinetes enigma — likely to require a low level of donation
- Rhynchocinetes erythrostictus — likely to require a low level of donation
- Rhynchocinetes holthuisi — likely to require a low level of donation
- Rhynchocinetes ikatere — likely to require a low level of donation
- Rhynchocinetes kuiteri — likely to require a low level of donation
- Rhynchocinetes okuno — likely to require a low level of donation
- Rhynchocinetes rathbunae — likely to require a low level of donation
- Rhynchocinetes reticulatus — likely to require a low level of donation
- Rhynchocinetes serratus — likely to require a low level of donation
- Rhynchocinetes typus — likely to require a low level of donation
- Rhynchocinetes uritai — likely to require a low level of donation
- Rhynchoplax magnetica — likely to require a low level of donation
- Rhynchoplax minutula — likely to require a low level of donation
- Rhynocrangon alata — likely to require a low level of donation
- Rhynocrangon rugosa — likely to require a low level of donation
- Rhynocrangon sharpi — likely to require a low level of donation
- Rhynohalicella halona — likely to require a low level of donation
- Rhyscotoides ciferrii — likely to require an intermediate donation
- Rhyscotoides cubensis — likely to require an intermediate donation
- Rhyscotoides indonesiensis — likely to require an intermediate donation
- Rhyscotoides indosinensis — likely to require an intermediate donation
- Rhyscotoides legrandi — likely to require an intermediate donation
- Rhyscotoides linearis — likely to require an intermediate donation
- Rhyscotoides moandae — likely to require an intermediate donation
- Rhyscotoides ortonedae — likely to require an intermediate donation
- Rhyscotoides parallelus — likely to require an intermediate donation
- Rhyscotoides silvestrii — likely to require an intermediate donation
- Rhyscotus albidemaculatus — likely to require an intermediate donation
- Rhyscotus australis — likely to require an intermediate donation
- Rhyscotus bicolor — likely to require an intermediate donation
- Rhyscotus colimensis — likely to require an intermediate donation
- Rhyscotus globiceps — likely to require an intermediate donation
- Rhyscotus jacksoni — likely to require an intermediate donation
- Rhyscotus nasatus — likely to require an intermediate donation
- Rhyscotus nasutus — likely to require an intermediate donation
- Rhyscotus rotundatus — likely to require an intermediate donation
- Rhyscotus somaliensis — likely to require an intermediate donation
- Rhyscotus sphaerocephalus — likely to require an intermediate donation
- Rhyscotus texensis — likely to require an intermediate donation
- Rhyscotus turgifrons — likely to require an intermediate donation
- Richalpheus alpheoides — likely to require a low level of donation
- Richalpheus dahabensis — likely to require a low level of donation
- Richalpheus palmeri — likely to require a low level of donation
- Richardina crosnieri — likely to require a low level of donation
- Richardina fredericii — likely to require a low level of donation
- Richardina ohtsukai — likely to require a low level of donation
- Richardina parvioculata — likely to require a low level of donation
- Richardina spinicincta — likely to require a low level of donation
- Richardsoniscus portoricensis — likely to require an intermediate donation
- Richerellus moosai — likely to require a low level of donation
- Rifcus auspicatus — likely to require a low level of donation
- Riggia acuticaudata — likely to require an intermediate donation
- Riggia brasiliensis — likely to require an intermediate donation
- Riggia cryptocularis — likely to require an intermediate donation
- Riggia nana — likely to require an intermediate donation
- Riggia paranensis — likely to require an intermediate donation
- Riggia puyensis — likely to require an intermediate donation
- Rikkarus lea — likely to require a low level of donation
- Rildardanus tros — likely to require a low level of donation
- Rimakoroga floridana — likely to require a low level of donation
- Rimakoroga floridiana — likely to require a low level of donation
- Rimakoroga rima — likely to require a low level of donation
- Rimapenaeus byrdi — likely to require a low level of donation
- Rimapenaeus constrictus — likely to require a low level of donation
- Rimapenaeus faoe — likely to require a low level of donation
- Rimapenaeus fuscina — likely to require a low level of donation
- Rimapenaeus pacificus — likely to require a low level of donation
- Rimapenaeus similis — likely to require a low level of donation
- Rimicaris chacei — likely to require a low level of donation
- Rimicaris exoculata — likely to require a low level of donation
- Rimicaris falkorae — likely to require a low level of donation
- Rimicaris hybisae — likely to require a low level of donation
- Rimicaris kairei — likely to require a low level of donation
- Rimicaris parva — likely to require a low level of donation
- Rimicaris paulexa — likely to require a low level of donation
- Rimicaris vandoverae — likely to require a low level of donation
- Rimicaris variabilis — likely to require a low level of donation
- Ringanui kooniuroa — likely to require a low level of donation
- Ringanui koonuiroa — likely to require a low level of donation
- Ringanui toonuitti — likely to require a low level of donation
- Ringaringa littoralis — likely to require a low level of donation
- Rissoides africanus — likely to require an intermediate donation
- Rissoides barnardi — likely to require an intermediate donation
- Rissoides calypso — likely to require an intermediate donation
- Rissoides desmaresti — likely to require an intermediate donation
- Rissoides pallidus — likely to require an intermediate donation
- Ritaumius longicornis — likely to require a low level of donation
- Riudillo takakuwai — likely to require an intermediate donation
- Riwo mizeui — likely to require a low level of donation
- Riwo zeidleri — likely to require a low level of donation
- Riwomegamphopus bamus — likely to require a low level of donation
- Rizalthus anconis — likely to require a low level of donation
- Robertsella meridionalis — likely to require a low level of donation
- Robertsella mystica — likely to require a low level of donation
- Robinione overstreeti — likely to require a low level of donation
- Rocasphotis aiso — likely to require a low level of donation
- Rochinia ahyongi — likely to require an intermediate donation
- Rochinia annae — likely to require an intermediate donation
- Rochinia beauchampi — likely to require an intermediate donation
- Rochinia boschii — likely to require an intermediate donation
- Rochinia boucheti — likely to require an intermediate donation
- Rochinia brevirostris — likely to require an intermediate donation
- Rochinia carpenteri — likely to require an intermediate donation
- Rochinia cidaris — likely to require an intermediate donation
- Rochinia confusa — likely to require an intermediate donation
- Rochinia cornuta — likely to require an intermediate donation
- Rochinia crassa — likely to require an intermediate donation
- Rochinia crosnieri — likely to require an intermediate donation
- Rochinia daiyuae — likely to require an intermediate donation
- Rochinia debilis — likely to require an intermediate donation
- Rochinia decipiata — likely to require an intermediate donation
- Rochinia despereaux — likely to require an intermediate donation
- Rochinia fultoni — likely to require an intermediate donation
- Rochinia galathea — likely to require an intermediate donation
- Rochinia globulifera — likely to require an intermediate donation
- Rochinia gracilipes — likely to require an intermediate donation
- Rochinia granulosa — likely to require an intermediate donation
- Rochinia griffini — likely to require an intermediate donation
- Rochinia hertwigi — likely to require an intermediate donation
- Rochinia hystrix — likely to require an intermediate donation
- Rochinia kotakae — likely to require an intermediate donation
- Rochinia makassar — likely to require an intermediate donation
- Rochinia miyakensis — likely to require an intermediate donation
- Rochinia moluccensis — likely to require an intermediate donation
- Rochinia mosaica — likely to require an intermediate donation
- Rochinia natalensis — likely to require an intermediate donation
- Rochinia occidentalis — likely to require an intermediate donation
- Rochinia paulayi — likely to require an intermediate donation
- Rochinia planirostris — likely to require an intermediate donation
- Rochinia pulchra — likely to require an intermediate donation
- Rochinia riversandersoni — likely to require an intermediate donation
- Rochinia sibogae — likely to require an intermediate donation
- Rochinia soela — likely to require an intermediate donation
- Rochinia strangeri — likely to require an intermediate donation
- Rochinia suluensis — likely to require an intermediate donation
- Rochinia tanneri — likely to require an intermediate donation
- Rochinia tomentosa — likely to require an intermediate donation
- Rochinia umbonata — likely to require an intermediate donation
- Rochinia vesicularis — likely to require an intermediate donation
- Rocinela affinis — likely to require a low level of donation
- Rocinela americana — likely to require a low level of donation
- Rocinela angustata — likely to require a low level of donation
- Rocinela aries — likely to require a low level of donation
- Rocinela augustata — likely to require a low level of donation
- Rocinela australis — likely to require a low level of donation
- Rocinela belliceps — likely to require a low level of donation
- Rocinela bonita — likely to require a low level of donation
- Rocinela cornuta — likely to require a low level of donation
- Rocinela cubensis — likely to require a low level of donation
- Rocinela danmoniensis — likely to require a low level of donation
- Rocinela dumerilii — likely to require a low level of donation
- Rocinela garricki — likely to require a low level of donation
- Rocinela granulosa — likely to require a low level of donation
- Rocinela hawaiiensis — likely to require a low level of donation
- Rocinela insularis — likely to require a low level of donation
- Rocinela japonica — likely to require a low level of donation
- Rocinela juvenalis — likely to require a low level of donation
- Rocinela kapala — likely to require a low level of donation
- Rocinela laticauda — likely to require a low level of donation
- Rocinela latis — likely to require a low level of donation
- Rocinela leptopus — likely to require a low level of donation
- Rocinela lukini — likely to require a low level of donation
- Rocinela maculata — likely to require a low level of donation
- Rocinela media — likely to require a low level of donation
- Rocinela minuta — likely to require a low level of donation
- Rocinela modesta — likely to require a low level of donation
- Rocinela mundana — likely to require a low level of donation
- Rocinela murilloi — likely to require a low level of donation
- Rocinela niponia — likely to require a low level of donation
- Rocinela oculata — likely to require a low level of donation
- Rocinela ophthalmica — likely to require a low level of donation
- Rocinela orientalis — likely to require a low level of donation
- Rocinela pakari — likely to require a low level of donation
- Rocinela patriciae — likely to require a low level of donation
- Rocinela propodialis — likely to require a low level of donation
- Rocinela resima — likely to require a low level of donation
- Rocinela richardsonae — likely to require a low level of donation
- Rocinela runga — likely to require a low level of donation
- Rocinela satagia — likely to require a low level of donation
- Rocinela signata — likely to require a low level of donation
- Rocinela sila — likely to require a low level of donation
- Rocinela tridens — likely to require a low level of donation
- Rocinela tropica — likely to require a low level of donation
- Rocinela tuberculosa — likely to require a low level of donation
- Rocinela wetzeri — likely to require a low level of donation
- Rodoniscus anophthalmus — likely to require an intermediate donation
- Rodriguezia adani — likely to require a low level of donation
- Rodriguezia mensabak — likely to require a low level of donation
- Rodriguezia villalobosi — likely to require a low level of donation
- Rodriguezus garmani — likely to require an intermediate donation
- Rodriguezus iturbei — likely to require an intermediate donation
- Rodriguezus ranchograndensis — likely to require an intermediate donation
- Rodriguezus trujillensis — likely to require an intermediate donation
- Rolandoniscus serratus — likely to require a low level of donation
- Romaleon antennarium — likely to require a low level of donation
- Romaleon dereki — likely to require a low level of donation
- Romaleon gibbosulum — likely to require a low level of donation
- Romaleon jordani — likely to require a low level of donation
- Romaleon luzonense — likely to require a low level of donation
- Romaleon nadaense — likely to require a low level of donation
- Romaleon nakagawaensis — likely to require a low level of donation
- Romaleon parspinosus — likely to require a low level of donation
- Romaleon sakamotoi — likely to require a low level of donation
- Romaleon sanbonsugii — likely to require a low level of donation
- Romaleon setosum — likely to require a low level of donation
- Romaleon urbanus — likely to require a low level of donation
- Ronco sosa — likely to require a low level of donation
- Rophidopus ciliatus — likely to require a low level of donation
- Roraimoscia roraimae — likely to require an intermediate donation
- Rostrobagatus microps — likely to require a low level of donation
- Rostroculodes borealis — likely to require a low level of donation
- Rostroculodes hanseni — likely to require a low level of donation
- Rostroculodes kroyeri — likely to require a low level of donation
- Rostroculodes longirostris — likely to require a low level of donation
- Rostroculodes schneideri — likely to require a low level of donation
- Rostroculodes vibei — likely to require a low level of donation
- Rostrogammarus amblyops — likely to require a low level of donation
- Rostrogammarus brevirostris — likely to require a low level of donation
- Rostrogammarus longirostris — likely to require a low level of donation
- Rostrogammarus orchestes — likely to require a low level of donation
- Rostrogammarus rostratus — likely to require a low level of donation
- Rostrogammarus talitrus — likely to require a low level of donation
- Rostrogitanopsis cuculla — likely to require a low level of donation
- Rostrogitanopsis karamani — likely to require a low level of donation
- Rostrogitanopsis litoralis — likely to require a low level of donation
- Rostrogitanopsis mariae — likely to require a low level of donation
- Rostromysis bacescuii — likely to require a low level of donation
- Rostronia stylirostris — likely to require a low level of donation
- Rostrophiloscia dominicana — likely to require an intermediate donation
- Rotomelita ana — likely to require a low level of donation
- Rotomelita lokoa — likely to require a low level of donation
- Rotomelita longipropoda — likely to require a low level of donation
- Rotundovaldivia hartii — likely to require a low level of donation
- Rotundovaldivia latidens — likely to require a low level of donation
- Rouxana ingrami — likely to require an intermediate donation
- Rouxana minima — likely to require an intermediate donation
- Rouxana papuana — likely to require an intermediate donation
- Rouxana phreatica — likely to require an intermediate donation
- Rouxana plana — likely to require an intermediate donation
- Rouxana roushdyi — likely to require an intermediate donation
- Rouxana wakipensis — likely to require an intermediate donation
- Rouxana wichmanii — likely to require an intermediate donation
- Rozinante fragilis — likely to require a low level of donation
- Rudilemboides heardi — likely to require a low level of donation