| Valid Scientific Names Starting with "R" |
| n = 2,184 Search SeaLifeBase |
| Rabaulichthys altipinnis |
| Rabaulichthys stigmaticus |
| Rabaulichthys suzukii |
| Racenisia fimbriipinna |
| Rachovia brevis |
| Rachovia hummelincki |
| Rachovia maculipinnis |
| Rachovia pyropunctata |
| Rachoviscus crassiceps |
| Rachoviscus graciliceps |
| Rachycentron canadum |
| Racoma eurystoma |
| Raconda russeliana |
| Racovitzanus antarcticus |
| Racovitzanus erraticus |
| Racovitzanus levis |
| Racovitzanus pacificus |
| Racovitzanus porrecta |
| Racovitzia glacialis |
| Racovitzia harrissoni |
| Radiaster elegans |
| Radiaster tizardi |
| Radiicephalus elongatus |
| Radiolucina amianta |
| Radiospongilla philippinensis |
| Radix auricularia |
| Radix ovata |
| Radix peregra |
| Radobornia bryani |
| Radopholus inequalis |
| Radopholus neosimilis |
| Radopholus similis |
| Radulinopsis derjavini |
| Radulinopsis taranetzi |
| Radulinus asprellus |
| Radulinus boleoides |
| Radulinus taylori |
| Radulinus vinculus |
| Raeta lactea |
| Raeta pellicula |
| Raeta plicatella |
| Raeta pulchella |
| Raeta undulata |
| Rafetus euphraticus |
| Rafetus swinhoei |
| Ragionula rosacea |
| Raiamas ansorgii |
| Raiamas batesii |
| Raiamas bola |
| Raiamas buchholzi |
| Raiamas christyi |
| Raiamas guttatus |
| Raiamas kheeli |
| Raiamas levequei |
| Raiamas longirostris |
| Raiamas macrostoma |
| Raiamas moorii |
| Raiamas nigeriensis |
| Raiamas salmolucius |
| Raiamas scarciensis |
| Raiamas senegalensis |
| Raiamas shariensis |
| Raiamas steindachneri |
| Rainfordia opercularis |
| Raja ackleyi |
| Raja africana |
| Raja asterias |
| Raja bahamensis |
| Raja binoculata |
| Raja brachyura |
| Raja cervigoni |
| Raja chinensis |
| Raja clavata |
| Raja cortezensis |
| Raja eglanteria |
| Raja equatorialis |
| Raja herwigi |
| Raja inornata |
| Raja koreana |
| Raja maderensis |
| Raja microocellata |
| Raja miraletus |
| Raja montagui |
| Raja polystigma |
| Raja pulchra |
| Raja radula |
| Raja rhina |
| Raja rondeleti |
| Raja rouxi |
| Raja stellulata |
| Raja straeleni |
| Raja texana |
| Raja undulata |
| Raja velezi |
| Rajella annandalei |
| Rajella barnardi |
| Rajella bathyphila |
| Rajella bigelowi |
| Rajella caudaspinosa |
| Rajella challengeri |
| Rajella dissimilis |
| Rajella eisenhardti |
| Rajella fuliginea |
| Rajella fyllae |
| Rajella kukujevi |
| Rajella leopardus |
| Rajella nigerrima |
| Rajella purpuriventralis |
| Rajella ravidula |
| Rajella sadowskii |
| Rajonchocotyle batis |
| Rajonchocotyle wehri |
| Ralpharia coccinea |
| Ralpharia gorgoniae |
| Ralpharia magnifica |
| Ralpharia neira |
| Ralpharia sanctisebastiani |
| Rama rama |
| Ramellogammarus californicus |
| Ramellogammarus campestris |
| Ramellogammarus columbianus |
| Ramellogammarus littoralis |
| Ramellogammarus oregonensis |
| Ramellogammarus ramellus |
| Ramellogammarus setosus |
| Ramellogammarus similimanus |
| Ramellogammarus vancouverensis |
| Ramirezia balsae |
| Ramnogaster arcuata |
| Ramnogaster melanostoma |
| Ramosia vitiazi |
| Ramphonotus gorbunovi |
| Ramphonotus minax |
| Randallia bulligera |
| Randallia distincta |
| Randallia eburnea |
| Randallia gilberti |
| Randallia ornata |
| Randallichthys filamentosus |
| Ranella australasia |
| Ranella olearia |
| Ranella parthenopaeum |
| Raneya brasiliensis |
| Rangia cuneata |
| Rangia flexuosa |
| Raniceps raninus |
| Ranilia constricta |
| Ranilia muricata |
| Ranina ranina |
| Raninoides lamarcki |
| Raninoides loevis |
| Raninoides louisianensis |
| Ranodon flavomaculatus |
| Ranodon shihi |
| Ranodon sibiricus |
| Ranodon tsinpaensis |
| Ransonia krampi |
| Ranzania laevis |
| Raorhynchus inexpectatus |
| Raorhynchus meyeri |
| Raorhynchus polynemi |
| Raorhynchus terebra |
| Raorhynchus thapari |
| Raosentis podderi |
| Raosentis thapari |
| Raoulserenea hieroglyphica |
| Raoulserenea komaii |
| Raoulserenea ornata |
| Raoulserenea oxyrhyncha |
| Raoulserenea pygmaea |
| Rapa incurva |
| Rapa rapa |
| Rapana rapiformis |
| Rapaniscus crassipes |
| Rapaniscus dewdneyi |
| Rapaniscus multisetosus |
| Rapanuia disalvoi |
| Raphidascaroides diodonis |
| Raphidascaroides nipponensis |
| Raphidophallus actuosus |
| Raphitoma aequalis |
| Raphitoma asperrimus |
| Raphitoma bedoyai |
| Raphitoma bernardoi |
| Raphitoma bicolor |
| Raphitoma bofilliana |
| Raphitoma boothii |
| Raphitoma christfriedi |
| Raphitoma columnae |
| Raphitoma concinna |
| Raphitoma corbis |
| Raphitoma cordieri |
| Raphitoma corimbensis |
| Raphitoma curta |
| Raphitoma cylindrica |
| Raphitoma densa |
| Raphitoma echinata |
| Raphitoma elegans |
| Raphitoma erronea |
| Raphitoma horrida |
| Raphitoma intermedia |
| Raphitoma kabuli |
| Raphitoma laviae |
| Raphitoma leufroyi |
| Raphitoma linearis |
| Raphitoma lineolata |
| Raphitoma nivea |
| Raphitoma pallaryi |
| Raphitoma philberti |
| Raphitoma pruinosa |
| Raphitoma pseudohystrix |
| Raphitoma pupoides |
| Raphitoma purpurea |
| Raphitoma purpureus |
| Raphitoma servaini |
| Raphitoma tomentosa |
| Raphitoma volutella |
| Raphitoma zelotypa |
| Raricirrus beryli |
| Raricirrus maculatus |
| Rasbora agilis |
| Rasbora amplistriga |
| Rasbora aprotaenia |
| Rasbora argyrotaenia |
| Rasbora atridorsalis |
| Rasbora aurotaenia |
| Rasbora baliensis |
| Rasbora bankanensis |
| Rasbora beauforti |
| Rasbora borapetensis |
| Rasbora borneensis |
| Rasbora brittani |
| Rasbora bunguranensis |
| Rasbora caudimaculata |
| Rasbora caverii |
| Rasbora cephalotaenia |
| Rasbora chrysotaenia |
| Rasbora daniconius |
| Rasbora dies |
| Rasbora dorsinotata |
| Rasbora dorsiocellata |
| Rasbora dusonensis |
| Rasbora einthovenii |
| Rasbora elegans |
| Rasbora ennealepis |
| Rasbora gerlachi |
| Rasbora gracilis |
| Rasbora hobelmani |
| Rasbora hosii |
| Rasbora hubbsi |
| Rasbora jacobsoni |
| Rasbora johannae |
| Rasbora kalbarensis |
| Rasbora kalochroma |
| Rasbora kottelati |
| Rasbora lateristriata |
| Rasbora laticlavia |
| Rasbora leptosoma |
| Rasbora meinkeni |
| Rasbora myersi |
| Rasbora notura |
| Rasbora ornatus |
| Rasbora pauciperforata |
| Rasbora paucisqualis |
| Rasbora paviana |
| Rasbora philippina |
| Rasbora punctulatus |
| Rasbora rasbora |
| Rasbora reticulata |
| Rasbora rubrodorsalis |
| Rasbora rutteni |
| Rasbora sarawakensis |
| Rasbora semilineata |
| Rasbora septentrionalis |
| Rasbora spilocerca |
| Rasbora spilotaenia |
| Rasbora steineri |
| Rasbora subtilis |
| Rasbora sumatrana |
| Rasbora tawarensis |
| Rasbora taytayensis |
| Rasbora tobana |
| Rasbora tornieri |
| Rasbora trifasciata |
| Rasbora trilineata |
| Rasbora tubbi |
| Rasbora tuberculata |
| Rasbora vaterifloris |
| Rasbora volzii |
| Rasbora vulcanus |
| Rasbora wilpita |
| Rasborichthys helfrichii |
| Rasborinus formosae |
| Rasborinus hautus |
| Rasborinus macrolepis |
| Raspaciona aculeata |
| Raspaciona calva |
| Raspaciona robusta |
| Raspailia acanthifera |
| Raspailia aculeata |
| Raspailia anastomosa |
| Raspailia australiensis |
| Raspailia brunnea |
| Raspailia clathrata |
| Raspailia flaccida |
| Raspailia fruticosa |
| Raspailia hispida |
| Raspailia howsei |
| Raspailia irregularis |
| Raspailia microcanthoxea |
| Raspailia moebii |
| Raspailia nuda |
| Raspailia paradoxa |
| Raspailia pumila |
| Raspailia radiosa |
| Raspailia ramosa |
| Raspailia retangula |
| Raspailia salix |
| Raspailia syringella |
| Raspailia thurstoni |
| Raspailia typica |
| Raspailia ventilabrum |
| Raspailia viminalis |
| Raspailia virgultosa |
| Rastrelliger brachysoma |
| Rastrelliger faughni |
| Rastrelliger kanagurta |
| Rastrineobola argentea |
| Rastrinus scutiger |
| Rastrognathia macrostoma |
| Ratabulus diversidens |
| Ratabulus megacephalus |
| Ratania atlantica |
| Ratania flava |
| Rathbunaster californicus |
| Rathbunella alleni |
| Rathbunella hypoplecta |
| Rathkea africana |
| Rathkea antarctica |
| Rathkea blumenbachi |
| Rathkea formosissima |
| Rathkea jaschnowi |
| Rathkea lizzoides |
| Rathkea octopunctata |
| Rathkea rubence |
| Ratsirakia legendrei |
| Ratugnathia makuluvae |
| Raymanninus schmitti |
| Raymunida confundens |
| Raymunida dextralis |
| Raymunida limbata |
| Raysquilla manningi |
| Reboursia ranvillensis |
| Recluzia rollandiana |
| Rectarcturus kophameli |
| Rectarcturus laevis |
| Rectarcturus ornatus |
| Rectarcturus patagonicus |
| Rectarcturus similis |
| Rectarcturus titaniae |
| Rectarcturus tuberculatus |
| Rectiplanes delicatus |
| Rectisura menziesi |
| Rectisura richardsonae |
| Rectocephala exotica |
| Rectoris longifinus |
| Rectoris luxiensis |
| Rectoris mutabilis |
| Rectoris posehensis |
| Redigobius amblyrhynchus |
| Redigobius balteatops |
| Redigobius balteatus |
| Redigobius bikolanus |
| Redigobius chrysosoma |
| Redigobius dewaali |
| Redigobius dispar |
| Redigobius leptochilus |
| Redigobius macrostoma |
| Redigobius penango |
| Redigobius roemeri |
| Redigobius sapangus |
| Redigobius tambujon |
| Reductoniscus costulatus |
| Reductoniscus novaehiberniae |
| Reductoniscus pulcher |
| Reductoniscus tuberculatus |
| Reductosoma gunnera |
| Redudasys fornerisae |
| Regabellator abyssi |
| Regabellator armatus |
| Regabellator profugus |
| Regadrella cylindrica |
| Regadrella decora |
| Regadrella delicata |
| Regadrella komeyamai |
| Regadrella okinoseana |
| Regadrella phoenix |
| Regalecus glesne |
| Regalecus kinoi |
| Regalecus russelii |
| Reganella depressa |
| Reganochromis calliurus |
| Reginella furcata |
| Reginella spitsbergensis |
| Reginella stolonifera |
| Reginella vas |
| Reicheltia halsteadi |
| Reinhardtius hippoglossoides |
| Relictus solitarius |
| Remanea arenicola |
| Remanea plumosa |
| Remasellus parvus |
| Remora australis |
| Remora brachyptera |
| Remora osteochir |
| Remora remora |
| Remorina albescens |
| Rendahlia jaubertensis |
| Renicola buchanani |
| Renicola cerithidicola |
| Renicola lari |
| Renicola roscovita |
| Renicola thaidus |
| Reniera accomodata |
| Reniera erina |
| Reniera massalis |
| Reniera mollis |
| Reniera mucosa |
| Reniera omissa |
| Reniera rufescens |
| Reniera siphonella |
| Renifer heterocoelium |
| Reniforma multilobularis |
| Renilla koellikeri |
| Renilla muelleri |
| Renilla musaica |
| Renilla octodentata |
| Renilla reniformis |
| Renilla tentaculata |
| Renocila alkoo |
| Renocila bollandi |
| Renocila bowmani |
| Renocila colini |
| Renocila curtipinnata |
| Renocila heterozota |
| Renocila indica |
| Renocila kohnoi |
| Renocila limbata |
| Renocila loriae |
| Renocila ovata |
| Renocila periophthalma |
| Renocila plesiopi |