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, Odostomia (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
onager, Cithara (5) onaneyi, Haplocochlias onca, Cypraea (10) 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 (2) 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, 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 (3)
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, Turbonilla optimum, Calliostoma (7) optimus, Nassarius (2)
optimus (var.), Conus exiguus (7) opulens, Pyrene (11) 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 (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 (9) 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 (1) oriens, Nassa (7) oriens fulvescens, Fissurella (1)
oriens oriens, Fissurella (8) orientale, Caecum (4) orientale, Phyllodesmium orientale, Triton (10)
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 (4)
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)
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, Columbella (3) ornata, Conotalopia (3) ornata, Coryphella (5) ornata, Cosmotriphora (2)
ornata, Daphnella (5) 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 (7) ornata, Mitra (1) ornata, Nassa
ornata, Nerita (9) ornata, Odostomia ornata, Oliva irisans (9) ornata, Pleurotoma (4)
ornata, Polycera (4) ornata, Protomedea (4) ornata, Pseudorhaphitoma (1) ornata, Pyramidella (2)
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 (7)
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 (5)
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 otakauica, Turbonilla
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 (5) 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 (1)
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)