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, Conasprella biraghii (4) omanensis, Drillia omanensis, Echinolittorina
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 onnaensis, Joculator (1) onoae, Volvulella (1) onobiformis, Ailinzebina (1)
onokeana, Comitas onokeana onokeana onokeana, Comitas onokeana vivens, Comitas (2) 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 (7) 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 (1) 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, Awateria (1)
optabilis, Conus (1) optabilis, Cythara (14) optabilis, Lirularia 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 (12) opulenta, Comitas opulenta, Glyptozaria (1)
opulenta, Surcula (1) opulentus, Joculator (2) opulentus, Marginella (5) opuntia, Okenia (3)
opuntia, Okenia 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 (5) 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 (6) 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 (var.), Diacria quadridentata
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 (6)
orboniana, Suturoglypta orca, Philine (4) orca (var.), Ericusa fulgetrum (1) orcadensis, Bathyberthella
orcha, Doto orchidaea, Chelidonura orchidiflorus, Chicoreus (7) orcina (var.), Lyncina vitellus (2)
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 (3)
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 (5) 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 (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, Poremskiconus (9) 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, Cytharomorula (2) ornata, Acanthodoris pilosa
ornata, Asthenotoma ornata ornata, Astralium (4) ornata, Atagema (2) ornata, Atagema (1)
ornata, Austraeolis (4) ornata, Berthella (3) 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 (10)
ornata, Parastrophia 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 (2) 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) orri (var.), Conus mercator (5)
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 (1)
oryza, Buccinum (1) oryza, Cuvierina (2) oryza, Cylichna oryza, Cythara
oryza, Dentiovula (6) 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 (1)
oryzaella, Acteocina (3) oryzarum, Nerita (2) oryzatus, Thylacodes (4) oryzoidea, Trivirostra (5)
oryzum, Vexillum (1) osae, Jorunna (1) osagawai, Buccinum (6) osapiensis, Ziba (6)
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, Orphanopusia (7) 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 (6)
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) osullivani (var.), Conus textile (1)
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 (2) 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 (5) otohimeae, Capulus (4) otohimeae, Conasprella (9) otohimeae, Glyphostoma (6)
otohimeae, Rissoina (2) otohimeae rogmartini (var.), Conasprella (6) otome, Dermatobranchus ototarana, Terelimella
otreolata, Crepidula (5) otsuensis, Bouchetriphora (2) ottitoma, Otitoma (7) ottoi, Calliotropis (2)
ottolinii, Turritella (1) otukai, Calliostoma otukai, Philine otukai, Rhinoclavis
otukai, Turbonilla oualaniense, Clithon (9) oualaniensis, Smaragdia (8) oualeiriensis, Conus
ouaoensis, Synthopsis (1) ouini, Oliva (2) outis, Cingula ouveana, Columbella (12)
ouveensis, Columbella (8) ovalatita, Benthovoluta (2) ovale, Epitonium ovalina, Volvulella (3)
ovalis, Acteon (9) 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 (3) ovoideus, Amphiperas (10)
ovoideus, Ancistrolepis trochoideus ovoideus, Stilifer (1) ovula, Bulla (5) ovula, Tralia (1)
ovulata, Atys (4) 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 (7) 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, Pygmaepterys (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 (4) 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 (8) oyamai, Yayoiacmaea (1)
oyashio, Obesotoma oyasionensis, Amaea (2) oyasiwo, Odostomia oyuana, Ithycythara (1)
ozawai, Eulima ozenneana, Pascula (3) ozodona, Oliva (2) ozodona nellyae, Oliva (1)
ozodona nitidula, Oliva (12) ozodona nitidula thomasi (var.), Oliva (4) ozodona sandwicensis, Oliva (7)