return arrow A Af Am Ao At B Be Bl Br C Ce Ci Co Cr Cu D De Di Do E Em Et F Fi Fo Fu G Gl Gr H Hi I In Io J K Kl L Le Lo M Mai Mari Mc Mi Mo Mu N Ni O Om P Pe Ph Pl Pr Pu Q R Re Ri Ro Ru S Sc Se Si Sp St Su T Te Th Tr Tu U V Ve Vi W X-zzz

Species beginning with Om . . .

omaensis, Brachystomia (3) omaicus, Conus (7) omaleyi, Daphnella (1) omalos, Discopsis
omanensis, Aspella omanensis, Drillia omanensis, Echinolittorina omanensis, Eoacmaea (2)
omanensis, Lilliconus biraghii (4) omanensis, Lodderena omanensis, Mitromica (1) omanensis, Muricopsis (2)
omanensis, Phenacolepas omanensis, Terebra (1) omaria, Conus (10) omaria convolutus (var.), Conus (6)
omaria magoides (var.), Conus (3) omaria patonganus (var.), Conus (6) omaria sindon (var.), Conus (3) omaria viperinus (var.), Conus (5)
ombratus, Microlinices (1) ombronius, Aulacofusus (1) omega, Oxynoe omia, Crassiclava
omicron, Amblychilepas (4) omii (var.), Palmulacypraea musumea omissum, Cerithium (11) omnipurpurata, Turris (2)
omoia, Natica (1) omphale, Borsonella omphalis, Retusa omphalodes, Bulla (6)
omphaloessa, Odostomia (3) omphalotropis, Diala omphalotropis, Ethalia onagawaense, Styloptygma
onagawaensis, Styloptygma onager, Cithara (5) onaneyi, Haplocochlias onca, Cypraea (9)
onca, Isotriphora onca, Naticarius (5) onchidioides, Buchanania onchodes, Epitonium (3)
onchodes, Nassarius oncodes, Neptunea (2) ondina, Volvarina onealensis, Cerithiopsis
oneili, Granulina oneili, Otitoma (3) oneirophantae, Megadenus oneratus, Nassarius (4)
ongcopensis, Oscilla oniscinum, Vexillum (1) oniscioides, Onchidella oniscus, Cypraea
oniscus, Cypraea (9) oniscus, Morum oniscus (4) oniscus oniscus, Morum (4) oniscus purpureum, Morum (5)
oniscus strombiformis, Morum (5) onna, Halgerda onoae, Volvulella (1) onobiformis, Ailinzebina (1)
onokeana, Comitas onokeana onokeana onokeana, Comitas onokeana vivens, Comitas (1) onslowensis, Strioterebrum (10)
onubensis, Jorunna onusta, Doto onustum, Selastele (1) onustus, Phorus (5)
onustus, Trochus (5) onychina, Cryptospira onychina, Eulima (1) onychina, Lottia (3)
onychitis, Lottia (3) onychoides, Fissurisepta onycina, Cypraea (7) onyx, Crepidula (5)
onyx, Erronea (5) onyx adusta, Erronea (9) onyx draco (var.), Erronea (2) onyx fulva (var.), Erronea onyx (9)
onyx onyx fulva (var.), Erronea (9) onyx usitata (var.), Erronea (3) oodes, Persicula ooformis, Aliculastrum (4)
ooformis, Atys (2) ooides, Pseudoliomesus (4) oophaga, Stiliger oosimense, Bittium
oostinghi, Euthria oostinghi (var.), Haustellum bantamensis (6) ootanii, Epitonium (4) opaca, Compsodrillia (3)
opaca, Eulimella opaca, Melanella (2) opaca, Natica (6) opaca, Odostomella (2)
opacum, Fissidentalium opalescens, Eolis (3) opalescens, Phyllodesmium opalescens, Siphonaria (4)
opalia, Rissoina (2) opalina, Leiocithara opalina, Marginella (4) opalina, Melanella
opalina, Melanella opalina, Mesalia (13) opalina, Microgaza opalina, Opaliopsis (1)
opalina, Rissoella (3) opalina, Trivellona (2) opalina minor (var.), Rissoella opalinum, Calliostoma
opalus, Cantharidus (6) opalus, Plagiostropha (5) opalus cannoni (var.), Cantharidus (1) opaoana, Bolma (5)
oparense, Morula oparica, Auriculastra opea, Patella (5) opeas, Epitonium
opephora, Miralda operculata, Cryptonatica (4) operculata, Peltospira operculata farolita, Tectonatica (7)
operosa, Turris operta, Aplysia (8) ophiarachnicola, Hemiliostraca ophidiastericola, Stilifer
ophioacanthicola, Fuscapex (1) ophioderma, Cerithium (4) ophioderma, Ophiodermella (2) ophiodon, Compressidens
ophiodon, Melanella ophiomoerae, Punctifera (1) ophione, Lamellaria (3) ophiura, Cerithiopsis
ophiuraphila, Stilapex ophthalmica, Chromodoris opima, Cylichnina opima, Granulina
opima, Thysanodonta opima (var.), Retusa truncatula opimasculpta, Pyrgulina opimus, Antillophos (7)
opiniosa, Diffalaba (3) opis, Tritonium (6) opisoplectum, Buccinum (4) opisthecostae, Parthenina
opisthidia, Discodoris opisthochetos, Ptychobela (3) opisthocostae, Turbonilla (1) opisthoplectum, Buccinum opisthoplectum (4)
opisthoplectum microconcha, Buccinum opisthoplectum opisthoplectum, Buccinum (4) oppansus, Zizyphinus (3) oppia, Alvania
opportuna, Ellobium (4) opportuna, Gadila (1) opportuna (var.), Cerithium nodulosum opportunatum, Ellobium
opposita, Lyria (1) oppositum, Epitonium (3) oppositus, Siphonaria (6) oppressa, Emarginula
oppressus, Coelotrochus (2) opsimathes, Clathurella (2) optabile, Epitonium (3) optabilis, Conus (1)
optabilis, Cythara (14) optabilis, Lirularia optabilis, Vexitomina optata, Amaea (2)
optata, Nassa (5) optata, Pleurotoma (1) optima, Amaea optima, Amalda (2)
optima, Metula (1) optima, Microdrillia optima, Patella (5) optima, Pyrgiscus
optimum, Calliostoma (7) optimus, Nassarius (2) optimus, Pyrgiscus optimus (var.), Conus exiguus (7)
optivus, Pyrgiscus opulens, Pyrene (11) opulenta, Comitas opulenta, Glyptozaria (1)
opulenta, Surcula (1) opulentus, Joculator (2) opulentus, Marginella (5) opuntia, Okenia
opuntia, Okenia (3) orana (var.), Littorina obtusata (16) oranica, Alexia (8) oranica, Alvania scabra (3)
oranica, Cypraea (8) oranica rubescens (var.), Alvania scabra orariana, Pleurotomella orba, Solatisonax
orbella, Crepidula (4) orbellus, Tornus orbiculare, Buccinum (5) orbicularis, Dendrodoris
orbicularis, Hermaea (3) orbicularis, Hexabranchus (5) orbicularis, Patelloida (1) orbiculata, Anatoma (1)
orbiculata, Crepipatella orbiculata, Fossarella orbiculata, Lamellaria orbiculata, Stomatella (2)
orbignianus, Murex (12) orbignii, Doto orbignyana, Chlorostoma (8) orbignyana, Coralliophila (6)
orbignyana, Haminoea (5) orbignyana, Nerita (5) orbignyana, Vanikoro orbignyanum, Sabinella
orbignyanus, Posterobranchus (2) orbignyi, Alvania (3) orbignyi, Circulus (1) orbignyi, Conasprella (7)
orbignyi, Doris orbignyi, Epitonium orbignyi, Fossarus (1) orbignyi, Janthina (7)
orbignyi, Lottia (6) orbignyi, Olivancillaria (6) orbignyi, Trophon (9) orbignyi aratus, Conus (7)
orbignyi pachylabris (var.), Rissoina (6) orbignyi submarginata (var.), Rissoina (6) orbignyi subspirata (var.), Rissoina (6) orbitać, Aeneator orbita
orbita, Caperella orbita, Dicathais (4) orbita aegrota (var.), Dicathais (6) orbita orbitać, Aeneator
orbita recens, Aeneator (3) orbita textilosa (var.), Dicathais (2) orbitatus, Conus (4) orboniana, Suturoglypta
orca, Philine (4) orca (var.), Ericusa fulgetrum (1) orcadensis, Bathyberthella orcha, Doto
orchidaea, Chelidonura orchidiflorus, Chicoreus (7) orcina (var.), Lyncina vitellus (1) orcutti, Barleeia
orcutti, Caecum (1) orcutti, Fusinus (4) orcutti, Macron (1) orcutti, Mitromorpha
orcutti (var.), Lottia triangularis orcuttiana, Coralliophila (5) orcuttianum, Epitonium (3) ordenanum, Epitonium (2)
ordenarum, Opalia ordinaria, Agathotoma (1) ordinaria, Ancilla (4) ordinaria, Cylichna (3)
ordinaria, Drillia ordinaria, Euthria (1) ordinaria, Patella candei (2) ordinaria, Rissoa
ordinarium, Solarium (4) ordinarius, Conus ammiralis (8) ordinata, Crosseola ordinata, Filodrillia
ordinata, Iniforis ordinei, Horaiclavus (2) ordita, Chrysallida (4) ordita (var.), Cerithium vulgatum (8)
ordofasciarum, Eatonina oregmene, Calliotropis (3) oregon, Calliostoma (1) oregonense, Caecum crebricinctum
oregonensis, Cryptogemma oregonensis, Fusitriton (6) oregonensis angelensis (var.), Argobuccinum (6) oregonia, Paziella (4)
orejasmirandai, Olivella (2) orellana, Clathrodrillia oreodoxa, Cosmotriphora (1) oreosoma, Doris (1)
oretea, Hadriania (8) orewa, Odostomia orichalceus, Trochus (8) oriens, Fissurella oriens (8)
oriens, Gibberula (2) oriens, Nassa (9) oriens fulvescens, Fissurella (1) oriens oriens, Fissurella (8)
orientale, Caecum (4) orientale, Phyllodesmium orientale, Triton (11) orientalis, Acteocina
orientalis, Aglaja (3) orientalis, Akibumia (2) orientalis, Anteaeolidiella orientalis, Atrimitra
orientalis, Attenuata (1) orientalis, Attenuata affinis orientalis, Bela orientalis, Bulla (4)
orientalis, Cellana radiata (7) orientalis, Cephalopyge orientalis, Cerithiopsis orientalis, Chicoreus (4)
orientalis, Chlamylla borealis (1) orientalis, Chromodoris (3) orientalis, Crosslandia (2) orientalis, Cylindriscala
orientalis, Cyllene orientalis, Drillia orientalis, Elysia orientalis, Eolidina
orientalis, Hybochelus cancellatus (6) orientalis, Jujubinus (2) orientalis, Kaloplocamus (3) orientalis, Lacuna
orientalis, Myurella (2) orientalis, Naticarius (7) orientalis, Onchidella orientalis, Parthenina
orientalis, Pectinodonta orientalis, Pectinodonta (5) orientalis, Pectinodonta (4) orientalis, Philine (2)
orientalis, Pleurophyllidiopsis orientalis, Polybranchia (5) orientalis, Proctonotus orientalis, Pseudobornella (1)
orientalis, Ringicula orientalis, Rostanga (2) orientalis, Schwartziella (3) orientalis, Seguenzia
orientalis, Serrata (1) orientalis, Spurilla orientalis, Strigatella (5) orientalis, Sulcosinus (2)
orientalis, Zoila orientalis (7) orientalis (var.), Cribrarula cribraria (1) orientalis (var.), Monoplex pilearis (10) orientalis (var.), Scyllaea pelagica
orientalis (var.), Tarantinaea lignaria orientalis orientalis, Zoila (7) orientalis raybaudii, Zoila (7) orientica, Turbonilla
orientis, Testudovolva (12) orientis, Thatcheriasyrinx orientis (6) orientis kawamurai, Thatcheriasyrinx (5) orientis orientis, Thatcheriasyrinx (6)
oriettae, Umbilia (7) oriflavens, Vexillum (2) oriola (var.), Oliva tigridella (5) orion, Calliostoma (2)
orion, Conus (8) orirufa, Etrema orissaensus, Nassodonta oriza, Cythara
orizoides, Terebra orjani, Gulenia (1) orleanus, Conus (11) ormesi, Penion (2)
ormophorus, Clanculus (1) ornamentalis, Murex brevispina (1) ornamentata, Orania (2) ornata, Acanthodoris pilosa
ornata, Asthenotoma ornata ornata, Astralium (4) ornata, Atagema (2) ornata, Atagema (1)
ornata, Austraeolis (4) ornata, Berthella ornata, Canalispira ornata, Carenzia (1)
ornata, Cellana (7) ornata, Cerithidea (4) ornata, Cithara (1) ornata, Clathropsis (1)
ornata, Colsyrnola (2) ornata, Columbella (3) ornata, Conotalopia (3) ornata, Coryphella (5)
ornata, Cosmotriphora (2) ornata, Daphnella (6) ornata, Doto ornata, Elysia (6)
ornata, Eumetula ornata, Exiquaspira (3) ornata, Filodrillia ornata, Ganesa
ornata, Hermaea (3) ornata, Iravadia ornata, Iravadia ornata, Iravadia (1)
ornata, Kalinga (5) ornata, Limacia ornata, Lodderena (3) ornata, Lucidestea
ornata, Marginella (7) ornata, Melibaea (5) ornata, Mitra (1) ornata, Mitra (7)
ornata, Nassa ornata, Nerita (9) ornata, Odostomia ornata, Oliva irisans (9)
ornata, Pleurotoma (4) ornata, Polycera (4) ornata, Protomedea (4) ornata, Pseudorhaphitoma (1)
ornata, Raphitoma (6) ornata, Rissoa (2) ornata, Rissoella ornata, Runcina
ornata, Scissurella (1) ornata, Siphonalia cassidariaeformis (3) ornata, Strigula (5) ornata, Terebra (4)
ornata, Trinchesia ornata, Trophon (1) ornata, Turbonilla ornata, Vexillum (8)
ornata, Voluta (6) ornata, Voluta (6) ornata, Zafra (2) ornata (var.), Berghia major
ornata (var.), Bittium zebrum (5) ornata (var.), Boreoscala greenlandica ornata (var.), Cerithium lividulum (8) ornata (var.), Guraleus alucinans
ornata (var.), Littorina obtusata (16) ornata (var.), Omalogyra atomus ornata (var.), Turritella maculata ornata atticae, Asthenotoma (1)
ornata canarica (var.), Asthenotoma ornata ornata ornata, Asthenotoma ornata ornata canarica (var.), Asthenotoma ornata vittata (var.), Marginella (1)
ornatissima, Cadlinella (4) ornatissima, Chrysallida ornatissima, Epitonium ornatissima, Solariella (1)
ornatissima, Yokoyamaia ornatissimum, Bittium ornatum, Buccinum (5) ornatum, Calliostoma (5)
ornatum, Ceratosoma (5) ornatum, Sagaminopteron ornatum, Vexillum (1) ornatum similis (var.), Calliostoma (5)
ornatus, Amphithalamus ornatus, Conus ornatus, Conus (7) ornatus, Conus (7)
ornatus, Dermatobranchus (2) ornatus, Guraleus ornatus, Latirus (4) ornatus, Margarites (1)
ornatus, Monophorus (1) ornatus, Ophicardelus (6) ornatus, Stiliger (1) ornatus, Trichosirius
ornatus, Triphora (1) ornatus, Trophon (1) oroeanus, Eubranchus orophoma, Mangilia
oros, Calliotropis oros (3) oros marquisensis, Calliotropis (4) oros oros, Calliotropis (3) orosmina (var.), Dolomena dilatata (9)
orospatia, Brookula (1) orotundum, Buccinum orphanensis, Melanella orpheus, Trophonopsis (1)
orphia, Mitrella (12) orri, Attiliosa (3) orsinii, Felimare orstomi, Halgerda
orstomi, Hypermastus (1) orstomi, Marginella (1) orstomi, Phyllidia orteai, Crisilla
orteai, Cyerce orteai, Haminoea (2) orteai, Trapania orteai, Triphora
orthochila, Styliferina orthocostae, Turbonilla (1) orthophtalmus, Pterotrachea (1) orthophyes, Melanella
orthopleura, Eulima (3) orthopleura, Makiyamaia (1) orthoplicatulata, Turbonilla orthosymmetrica, Turritella
ortigia, Columbella ortiguilla, Collisella (4) ortizae, Eulimella (1) ortizi, Aegires
ortizi, Haplocochlias (1) ortneri, Conus (2) ortonia, Columbella (1) oruaensis, Neoguraleus
oruaensis, Retusa (2) orycta, Cylichna oryx, Dentalium (2) oryza, Acteon
oryza, Agatha (1) oryza, Ancilla oryza, Buccinum (1) oryza, Cuvierina (2)
oryza, Cylichna oryza, Cythara oryza, Dentiovula (4) oryza, Gibberula (4)
oryza, Ittibittium oryza, Marginella (9) oryza, Mitromica (2) oryza, Oliva (7)
oryza, Ransoniella (50) oryza, Retizafra (1) oryza, Triphora oryza, Trivirostra (6)
oryza, Vexillum (1) oryza, Zebina (1) oryza minor (var.), Trivirostra oryza sandwichensis, Cypraea (4)
oryzaeformis, Purpuradusta (3) oryzaeformis atomus (var.), Purpuradusta oryzaella, Acteocina (3) oryzarum, Nerita (2)
oryzatus, Thylacodes (4) oryzoidea, Trivirostra (5) oryzum, Vexillum (1) osae, Jorunna (1)
osagawai, Buccinum (6) osapiensis, Ziba (5) osbornei, Aesopus osbornei, Maurea (5)
oscaritoi, Hyalina oschei, Echinophoria (6) oschei (var.), Echinophoria wyvillei (1) oscilla, Gregoia (2)
oscillaeformis, Miralda oscitans, Cerithium oscitans, Philine oscitans, Rissoina
oscitans, Tomopleura (3) oscitans, Turbonilla (3) osclausum, Triphora (2) oscostata, Pseudoliotia (1)
osculans, Phenacolepas (1) osculans, Purpura (1) osculata, Bullia (3) oselmonta, Columbella (4)
osexiguus, Acteon (1) oshikatai, Microstelma (4) oshikatai, Tegula oshimaensis, Trivirostra (2)
oshimanum, Cerithium (3) osimai, Antiplanes osiridis, Vexillum (5) osmagnum, Herewardia
osmani, Volvarina osmayi, Dentimargo osorioae, Hemiliostraca osrhomboides, Turbonilla (1)
ossea, Mangelia striolata ossea, Mitra (6) ossea (var.), Conus ventricosus osseosa, Atagema (1)
osseum, Bullia osseus, Murex (5) ossiani, Philine (1) ossiania (var.), Beringius turtoni (2)
ossiansarsi, Lissospira (1) ossiansarsi, Philine (1) ossium, Epitonium (1) ostauri, Cassis (3)
ostenfeldi, Alcithoe larochei (4) ostenfeldi, Ranella (7) ostensus, Larinopsis (1) ostenta, Marshallora (1)
ostentata, Doto osteophila, Cocculinella (1) osteophila, Xylodiscula (1) ostergaardi, Mitra (6)
ostergaardi, Naria (8) ostergaardić, Strombus (1) osteri, Hydroginella (5) ostheimerae, Cuspivolva (1)
ostheimerae, Octomarginula (1) ostrearum, Calotrophon (4) ostrearum, Pyrgospira (2) ostreicola, Anachis (3)
ostreion, Archiminolia (2) ostrideslithos, Calliotropis (3) ostrina, Fissurella (3) ostrina, Nucella (4)
ostrinus, Conus (5) osumiensis, Anacithara osyoro, Cuthonella osyuensis, Turbonilla (1)
otaeitensis, Buccinum (2) otaeitensis, Buccinum australe (2) otagoensis, Aeneator (1) otagoensis, Antiguraleus (1)
otagoensis, Aoteadrillia otagoensis, Cabestana (5) otagoensis, Cominella (3) otagoensis, Euthrenopsis (2)
otagoensis, Haurakia (1) otagoensis, Lissotesta (1) otagoensis, Melanella otagoensis, Mesoginella (1)
otagoensis, Monodilepas monilifera otagoensis, Notoficula (1) otagoensis, Scaphander (1) otagoensis, Splendrillia (1)
otagoensis, Zeadmete (1) otahitensis, Cypraea (5) otaitensis, Nerita (7) otaitensis (var.), Terebra caerulescens (7)
otakauica, Cominella nassoides (5) otakauica, Curveulima (1) otakauica, Liracraea otakauicus, Pyrgiscus
otaviana, Danilia (3) oteroi, Ammonicera oteroi, Natica oteroi, Olivella (5)
oteroi, Vexillum (1) oteroi, Volvarina othaeitensis, Bullia (2) othello, Natica (2)
othonia (var.), Oliva elegans (1) otiolum, Canarium (7) otis, Otina otis, Polinices (3)
otogoensis, Acirsa otohime, Amalda otohimeae, Capulus (4) otohimeae, Conasprella (8)
otohimeae, Glyphostoma (6) otohimeae, Rissoina (2) otohimeae rogmartini (var.), Conasprella (6) otokime, Amalda
otome, Dermatobranchus ototarana, Terelimella otreolata, Crepidula (5) otsuensis, Bouchetriphora (2)
ottitoma, Otitoma (7) ottoi, Calliotropis (2) otukai, Calliostoma otukai, Philine
otukai, Rhinoclavis otukai, Turbonilla oualaniense, Clithon (9) oualaniensis, Smaragdia (8)
ouaoensis, Synthopsis (1) ouini, Oliva (2) outis, Cingula ouveana, Columbella (11)
ouveensis, Columbella (8) ovalatita, Benthovoluta (2) ovale, Epitonium ovalina, Volvulella (3)
ovalis, Acteon (8) ovalis, Ancilla (2) ovalis, Curtitoma ovalis, Diacavolinia
ovalis, Diodora (3) ovalis, Dischides ovalis, Haminoea (1) ovalis, Lepetodrilus
ovalis, Marginella (6) ovalis, Morio (7) ovalis, Oceanida (2) ovalis, Pedipes
ovalis, Purpura (7) ovalis, Rissoina (1) ovalis, Turbonilla ovalis, Umbrella (11)
ovalis, Zeadmete (1) ovalis (var.), Patella barbara (7) ovata, Admete ovata, Apicalia
ovata, Assiminea (1) ovata, Cancellaria (4) ovata, Cocculina (1) ovata, Corolla
ovata, Cypraea (6) ovata, Cypraea (5) ovata, Echineulima ovata, Engina (1)
ovata, Fasciolaria (8) ovata, Gibberula ovata, Goniodoris ovata, Granulina (3)
ovata, Hexaplex ovata, Marginella ovata, Odostomia ovata, Oliva (5)
ovata, Otina (3) ovata, Sabatia (3) ovata, Serrata (1) ovata, Subonoba
ovata, Tiberia ovata, Trivellona (8) ovata, Tylothais ovata, Zeradina
ovata (var.), Odostomia oblongula ovatella, Rissoa (5) ovatus, Anabathron ovatus, Joculator
ovatus, Phymorhynchus (1) ovatus, Plesiocystiscus ovatus, Pyrunculus (2) overdiepi, Manzonia (3)
oviformis, Ovula (4) oviformis, Prunum ovina, Haliotis ovina (5) ovina ovina, Haliotis (5)
ovina ovina patamakanthini (var.), Haliotis (6) ovina patamakanthini (var.), Haliotis ovina (6) ovina volcanius, Haliotis (3) ovir, Turricostellaria (1)
ovitesta, Macertexta (3) ovoidea, Bulla (7) ovoidea, Coralliophila (3) ovoidea, Nassa
ovoidea, Neoiphinoe ovoidea, Tritia (5) ovoidea brevis (var.), Nassa (2) ovoideus, Amphiperas (10)
ovoideus, Ancistrolepis trochoideus ovoideus, Stilifer (1) ovula, Bulla (4) ovula, Tralia (1)
ovulata, Atys (2) ovulata, Conella (1) ovulata, Putilla (4) ovulata, Triviella (4)
ovulatella, Sulcocypraea ovuliformis, Granulina (3) ovuliformis (var.), Pedicularia californica (3) ovulinus, Rhizorus (2)
ovuloides, Conella (2) ovuloides, Melampus ovuloides, Odostomia ovulum, Acteon
ovulum, Bathybuccinum (2) ovulum, Cadulus ovulum, Crisilla (1) ovulum, Ovaginella (4)
ovum, Cypraea (6) ovum, Cypraea (6) ovum, Erronea ovum (5) ovum, Liomesus (2)
ovum, Marginella (5) ovum, Micratys (1) ovum, Ovula (4) ovum, Voluta (4)
ovum chrysostoma, Erronea (4) ovum erici (var.), Erronea ovum (1) ovum ovum, Erronea (5) ovum ovum erici (var.), Erronea (1)
ovum palauensis, Erronea (2) ovummuscae, Botryphallus (1) ovumralli, Oliva (13) ovumvanelli, Bulla (6)
owenga, Turbonilla owengaensis, Munditia oweni, Haliotis corrugata (1) oweni, Triphora
owenianum, Neritina (4) owenii, Bistolida (5) owenii, Cyllene (3) owenii, Neritina
owenii, Pleurotoma owenii (var.), Tympanotonus radula (7) owenii menkeana (var.), Bistolida (2) owensi, Vermicularia fargoi
oxia, Fissurisepta oxia, Odostomia (1) oxia (var.), Nannodiella melanitica (1) oxillia, Anachis
oxossi, Favartia (3) oxum, Dermomurex (1) oxyacantha, Homalocantha (7) oxyacantha, Matharena (2)
oxyacme, Melanella oxyacris, Turritella (2) oxybasis, Solariella (7) oxychone, Megalomphalus (1)
oxyclathrus, Tritonoturris (3) oxyglyptus, Antillophos (10) oxys, Cerithiopsis oxystoma, Micraenigma
oxytata, Mangilia (2) oxytata, Melanella oxytata, Volvula (3) oxytata (var.), Rhizorus acuminatus
oxytatus, Murexsul (5) oxytenes, Mucronalia oxytoma (var.), Hadroconus altus oxytropis, Basilissopsis
oxytropis, Euchelus oxytropis, Lacuna oxytropis, Polystira oxytropis (4) oxytropis, Psilaxis (6)
oxytropis albicarinata, Polystira (1) oxytropis oxytropis, Polystira (4) oyamai, Acteocina oyamai, Hirtomurex (3)
oyamaić, Otitoma (1) oyamai, Retusa (2) oyamai, Tutufa (7) oyamai, Yayoiacmaea (1)
oyashio, Obesotoma oyasionensis, Amaea (2) oyasiwo, Odostomia oyuana, Ithycythara (1)
ozawai, Eulima ozenneana, Pascula (3) ozodona (var.), Oliva panniculata (2)