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 (6) omaleyi, Daphnella (1) omalos, Discopsis
omanensis, Drillia omanensis, Echinolittorina omanensis, Eoacmaea (2) omanensis, Lilliconus biraghii (4)
omanensis, Lodderena omanensis, Mitromica (1) omanensis, Muricopsis (2) omanensis, Phenacolepas
omaria, Darioconus (10) omaria convolutus (var.), Darioconus (6) omaria magoides (var.), Darioconus (3) omaria patonganus (var.), Darioconus (6)
omaria sindon (var.), Darioconus (3) omaria viperinus (var.), Darioconus (5) ombratus, Microlinices (1) ombronius, Aulacofusus (1)
omega, Oxynoe omia, Crassiclava omicron, Amblychilepas (4) omii, Notadusta (7)
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, Thelecytharella (1) 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 (4) onustus, Trochus (4) onychina, Cryptospira onychina, Eulima (1)
onychina, Lottia (3) onychitis, Lottia (3) onychoides, Fissurisepta onycina, Cypraea (7)
onyx, Crepidula (5) onyx, Erronea onyx (5) onyx adusta, Erronea (9) onyx draco, Erronea (2)
onyx fulva (var.), Erronea onyx (9) onyx onyx, Erronea (5) onyx onyx fulva (var.), Erronea (9) onyx onyx usitata (var.), Erronea
onyx usitata (var.), Erronea onyx 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 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, Cystiscus opima, Thysanodonta opima (var.), Retusa truncatula
opimasculpta, Pyrgulina opimus, Antillophos (6) 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, Conasprella (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.), Fulgiconus exiguus (7) opulens, Pyrene (11) opulenta, Comitas opulenta, Glyptozaria (1)
opulenta, Surcula (1) opulentus, Joculator 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 (3) 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, Bathyconus (7) orbignyi, Circulus (1)
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, Asprella (4)
orca, Philine (4) orca (var.), Ericusa fulgetrum (1) orcadensis, Bathyberthella orcha, Doto
orchidaea, Chelidonura orchidiflorus, Chicoreus (6) orcutti, Barleeia orcutti, Caecum (1)
orcutti, Fusinus (4) orcutti, Macron (1) orcutti, Mitromorpha orcutti (var.), Lottia triangularis
orcuttiana, Coralliophila (5) orcuttianum, Epitonium (4) 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, Filodrillia ordinata, Iniforis ordinei, Horaiclavus
ordita, Chrysallida (4) ordita (var.), Cerithium vulgatum (8) ordofasciarum, Eatonina oregmene, Calliotropis (2)
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 (9) 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 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 (3)
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 marginata (5) orientalis (var.), Monoplex pilearis (10) orientalis (var.), Scyllaea pelagica
orientalis (var.), Tarantinaea lignaria orientis, Testudovolva (13) 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, Purpuriconus (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 ornata, Cellana (6) ornata, Cerithidea (4) ornata, Cithara (1)
ornata, Clathropsis (1) ornata, Columbella (3) ornata, Conotalopia (3) ornata, Coryphella (4)
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 (6) ornata, Mitra (1)
ornata, Nassa ornata, Nerita (9) ornata, Odostomia ornata, Oliva irisans (9)
ornata, Pleurotoma (4) ornata, Polycera (4) ornata, Protomedea (4) 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 (2) 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, Purpuriconus (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, Retizafra (1) oryza, Triphora oryza, Trivirostra (6) oryza, Vexillum (1)
oryza, Zebina (1) oryza minor (var.), Trivirostra oryza sandwichensis, Cypraea (4) oryzaeformis, Purpuradusta (3)
oryzaella, Acteocina (3) oryzarum, Nerita (2) oryzatus, Thylacodes (4) oryzoidea, Trivirostra (8)
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) 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.), Lautoconus 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, Gradiconus (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, Glyphostoma (5) otohimeae, Rissoina (2) otohimeae, Yeddoconus (8) otohimeae rogmartini (var.), Yeddoconus (6)
otokime, Amalda otome, Dermatobranchus ototarana, Terelimella otreolata, Crepidula (4)
otsuensis, Bouchetriphora (1) 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 (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, 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 (4) ovoidea brevis (var.), Nassa (2) ovoideus, Amphiperas (10)
ovoideus, Ancistrolepis trochoideus ovoideus, Stilifer (1) ovula, Bulla (3) 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, Turricaspia
ovum, Voluta (4) ovum chrysostoma, Erronea (4) ovum erici, Erronea (1) ovum ovum, Erronea (5)
ovum ovum palauensis (var.), Erronea (2) ovum palauensis (var.), Erronea ovum (2) ovummuscae, Botryphallus (1) ovumralli, Oliva (11)
ovumvanelli, Bulla (6) owenga, Turbonilla owengaensis, Munditia oweni, Haliotis corrugata (1)
oweni, Triphora owenianum, Neritina (4) owenii, Bistolida owenii (5) owenii, Cyllene (3)
owenii, Neritina owenii, Pleurotoma owenii (var.), Tympanotonus radula (7) owenii menkeana, Bistolida (2)
owenii modesta (var.), Bistolida owenii (6) owenii owenii, Bistolida (5) owenii owenii modesta (var.), Bistolida (6) owenii piae, Bistolida (6)
owenii vasta, Bistolida (5) 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) oyamai, Retusa (2) oyamaić, Thelecytharella (1)
oyamai, Tutufa (6) oyamai, Yayoiacmaea (1) oyashio, Obesotoma oyasionensis, Amaea (2)
oyasiwo, Odostomia oyuana, Ithycythara (1) ozawai, Eulima ozenneana, Pascula (3)
ozodona (var.), Oliva panniculata (2)