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, 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 (1) 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 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 (2) onyx usitata (var.), Erronea onyx (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 (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, 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 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 (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, Crosseola ordinata, Filodrillia ordinata, Iniforis ordinei, Horaiclavus (1)
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 marginata (5) orientalis (var.), Monoplex pilearis (10)
orientalis (var.), Scyllaea pelagica orientalis (var.), Tarantinaea lignaria 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, 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, 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.), 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, 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) oyamaić, Otitoma (1)
oyamai, Retusa (2) 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)