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 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 (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 (10) 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 (1) opacum, Fissidentalium
opalescens, Eolis (3) opalescens, Phyllodesmium opalescens, Siphonaria (4) 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, 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
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 (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, 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 (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 (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 (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 (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 (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, 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, 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, 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 (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, 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, 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 (4) 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) 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)