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 (10) 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 (2) 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 (1) 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 flexuosa (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 (6) 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)
orbitać, Aeneator orbita orbita, Caperella orbita, Dicathais (3) 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 (7) 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 (3) 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 (6) 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 (6) 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 (6) 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 (4) otagoensis, Cominella (2)
otagoensis, Euthrenopsis otagoensis, Lissotesta (1) otagoensis, Melanella otagoensis, Mesoginella (1)
otagoensis, Monodilepas monilifera otagoensis, Notoficula (1) otagoensis, Pusillina (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 (5) ovata, Cypraea (6) ovata, Echineulima
ovata, Engina (1) ovata, Fasciolaria (3) 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 (12)
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)