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Species beginning with O . . .

oahuense, Epitonium oahuense, Micranellum oahuensis, Aplysia oahuensis, Comitas
oahuensis, Haminea aperta oahuensis, Terebra lanceata oamarutica, Comitas obconicus, Peculator
* obeliscus, Dermomurex obeliscus, Eulimella obeliscus, Mangelia obeliscus, Peringia
* obeliscus, Pyrgospira obeliscus, Rastodens * obeliscus, Rissoina obeliscus, Trochus
obeliscus, Turbonilla * obeliscus, Vexillum obeliscus (f), Rhinoclavis sinensis obeliscus major (f), Peringia
obeliscus minor (f), Peringia oberwimmeri, Hebra * obesa, Amalda * obesa, Anachis
* obesa, Cancellaria obesa, Chrysallida obesa, Clypeomorus obesa, Cypraea
obesa, Epigrus * obesa, Eucithara obesa, Lienardia obesa, Litiopa
obesa, Lucidestea obesa, Mitra * obesa, Perrona * obesa, Persicula porcellana
obesa, Pleurobranchaea obesa, Pleurotoma obesa, Pleurotomella obesa, Retusa
obesa, Schwartziella obesa, Setia obesa, Tritonoturris obesa (f), Bela brachystoma brachystoma
obesicostata, Pleurotoma obesiformis, Fusus * obesina (f), Oliva fulgurator fulgurator obesiusculus, Pyrunculus
obesula, Cystiscus obesula, Moniziella moniziana obesula, Obesula obesula, Peasistilifer
* obesula, Zafra obesula (f), Cerithium lividulum obesulum, Calliostoma obesulum, Cerithium
obesum, Epitonium * obesus, Aesopus obesus, Amphithalamus obesus, Conus
obesus, Conus obesus, Fusus obesus, Nassarius obesus, Neptunea
* obesus, Pyrunculus pyriformis obesus, Tectus obesus, Xymenopsis oblata, Lissotesta
oblata, Pisinna oblatogyra, Granigyra oblectamentum, Turbonilla obligacanthus, Murex
obliqua, Evalea obliqua, Inella obliqua, Lamellaria obliqua, Mitra
obliqua, Nassa obliqua, Nassa obliqua, Oenopota obliqua, Ondina
obliqua, Onoba obliqua, Pleurotoma obliqua, Scissurella * obliquata, Benhamina
* obliquata, Clavus obliquata, Onoba * obliquata, Scalptia obliquata, Turbonilla
obliquata azorensis (f), Turbonilla obliqueplicata (f), Cerithium lividulum obliquicosta, Comitas * obliquicostata, Clavus
* obliquicostata, Engina obliquigradata, Bela obliquiplicata, Antiplanes obliquispira, Pleurotomoides
obliquistoma, Curveulima obliquistomum, Hypermastus obliquum, Buccinum obliquum, Epitonium
obliquus, Melampus oblita, Mitrella oblita, Pseudosetia * oblita (f), Cymbiola nivosa
oblitum, Buccinum * oblitum, Cymatium oblitus, Conus * oblitus, Fusinus
* oblonga, Amalda * oblonga, Amblychilepas * oblonga, Bullina oblonga, Cocculina
oblonga, Cyllene oblonga, Cypraea oblonga, Eunaticina oblonga, Fissurella
oblonga, Harpa oblonga, Lucapinella gigas oblonga, Melanella * oblonga, Merica
oblonga, Nassa oblonga, Onchidoris oblonga, Patella oblonga, Porcellana
oblonga, Tugali oblonga (f), Conus mediterraneus * oblonga (f), Erosaria nebrites * oblonga (f), Oliva tisiphona
oblonga (f), Raphitoma purpurea oblonga (f), Rissoa splendida oblonga oblonga, Goniostoma oblonga rissoidea, Goniostoma
oblongata, Cypraea oblongatanana, Cypraea oblongula, Odostomia * oblongum, Coronium
* oblongum, Prunum oblongus, Eunaticina oblongus, Melampus oblongus, Murex
* oblongus (f), Conus episcopatus obnixa, Sydaphera obnubila, Pleurotoma obockiensis, Cronia
obockiensis, Lienardia * oboesum, Cymatium * oboesum retusa (f), Cymatium * obolos, Pseudomalaxis
obovalis, Fissurella obovata, Atys obovata, Emarginula * obscura, Cantharus bicolor
* obscura, Colubraria obscura, Cypraea * obscura, Ergalatax * obscura, Fissurella
* obscura, Hypselodoris obscura, Monilea obscura, Onchidium obscura, Pyrene
* obscura, Solariella obscura, Splendrillia obscura, Stomatia * obscura, Trivirostra
obscura, Turbo obscura, Turboella obscura, Volvarina * obscura, Volvarina
* obscura, Waimatea obscura (f), Apicularia similis similis * obscura (f), Cantharus pictus obscura (f), Monodonta lineata lineata
* obscura (f), Semicassis bulla bulla obscura bella (f), Solariella obscura intermedia (f), Solariella obscurata, Atys
* obscurata (f), Erronea caurica caurica obscuratus, Clithon obscurum, Cerithium * obscurus, Conus
obscurus, Fusus obscurus, Planaxis * obscurus, Priotrochus obsitum, Epitonium
obsolescens, Bathytoma atractoides obsoleta, Alexia obsoleta, Alvania obsoleta, Chromodoris
* obsoleta, Ilyanassa obsoleta, Leuconopsis obsoleta, Mitra obsoleta, Neptunea
obsoleta, Oenopota obsoleta, Terebra obsoleta (f), Fasciolaria tulipa obsoletior, Neptunea
* obsoletum, Caecum tracheum * obsoletus, Planaxis obstricta, Bulla obtecta, Bathydomus
obtecta, Patella obtecta, Patella obtectum, Teinostoma * obtectus, Bathydomus
obturata, Natica obturata, Pseudoraphitoma * obtusa, Amalda obtusa, Austrocochlea
* obtusa, Cancellaria obtusa, Cerithidea * obtusa, Chrysallida obtusa, Clathurella
obtusa, Cryptospira obtusa, Curveulima obtusa, Cypraea obtusa, Elysia
* obtusa, Glabella obtusa, Hyalocylis obtusa, Inella obtusa, Mangilia
obtusa, Marginella obtusa, Mastonia obtusa, Mitra obtusa, Pleurotoma
obtusa, Polinices obtusa, Pseudotorinia obtusa, Retusa obtusa, Rissoa
obtusa, Trochus * obtusa, Turbinella pyrum obtusa (f), Conus mediterraneus obtusa kieneri (f), Cerithidea
* obtusa lactea, Pyrene obtusa lajonkaireana (f), Retusa obtusa laxa, Iselica obtusa minor (f), Retusa
* obtusa obtusa, Pyrene obtusa pretiosa (f), Chrysallida obtusa turrita (f), Retusa * obtusata, Demoulia
obtusata, Mitra obtusata, Nassa obtusata aestuarii (f), Littorina obtusata obtusata ambigua (f), Littorina
obtusata arctica (f), Littorina obtusata obtusata balteata (f), Littorina * obtusata citrina, Littorina obtusata littoralis alternata (f), Littorina
* obtusata obtusata, Littorina obtusata obtusata aestuarii (f), Littorina obtusata obtusata arctica (f), Littorina obtusata obtusata palliata (f), Littorina
* obtusata olivacea, Littorina obtusata palliata (f), Littorina obtusata obtusatae, Littorina * obtusatus, Modulus
* obtusatus, Plicifusus obtusicostata, Epitonium obtusicostata, Lienardia obtusigemmata, Comitas
* obtusiliratum, Boreotrophon * obtusispinosum, Vexillum obtusispira, Eatoniella obtusispira, Pseudosetia
obtusiuscula, Eulitoma obtusoapicata, Melanella * obtusum, Epitonium obtusus, Hemiaclis
obtusus, Tenagodus obtusus (f), Conus mediterraneus * obtusus (f), Conus variegatus obvelata, Doris
* obvelata, Monetaria obvelata calcarata, Cypraea * obvelata nubilis (f), Monetaria obvelatum, Nassarius
obvoluta, Moerchinella obvoluta, Rissoina ocarina, Granulina * occa, Murex
occaecata, Neptunea * occata, Diptychophlia occidens, Fissurella * occidentale, Calliostoma
occidentale, Coralliophila * occidentale, Cymatium * occidentale, Epitonium * occidentale, Fartulum
occidentale, Triton rubecula * occidentale beui (f), Cymatium occidentale blacketi (f), Cymatium occidentalis, Acmaea
occidentalis, Bulla * occidentalis, Bulla occidentalis, Cavolinia occidentalis, Clathurella
occidentalis, Cleotrivia occidentalis, Conus ammiralis occidentalis, Cribrarula cribraria occidentalis, Dolium perdix
* occidentalis, Dondice occidentalis, Microtralia * occidentalis, Notocypraea piperita occidentalis, Patella
occidentalis, Ptychatractus occidentalis, Tethys occidentalis, Tralia occidentalis aurita (f), Epitonium
* occidentalis labradorensis, Drepanocheilus * occidentalis occidentalis, Drepanocheilus occidentalis sasamorii, Ptychatractus occidua, Alvania
occidua, Archimediella occidua, Cheilea * occidua, Diodora occidua, Notovoluta
occidua, Viriolopsis * occidua, Volvarina occiduus, Clavus * occlusum, Typhis
occulatum, Buccinum occulta, Cylichna occulta, Eatoniella occulta, Granulina
occulta, Turboella occultidens, Odostomia oceani, Acinopsis oceani, Natica livida
oceanica, Bela * oceanica, Bela nebula oceanica, Carinaria * oceanica, Luria lurida
oceanica, Phymorhynchus * oceanica, Plicoliva zelindae oceanica, Purpura oceanica, Turbonilla
oceanica, Viriola oceanica, Volvarina oceanica (f), Argobuccinum giganteum oceanicum, Cerithium
* oceanida, Litharium oceanida, Pleurotomella oceanitis, Heliacus * oceanodromae, Plicifusus
* ocellata, Alcyna ocellata, Aplysia ocellata, Berthella ocellata, Bouvieria
ocellata, Cuthona ocellata, Dunga * ocellata, Erosaria * ocellata, Leucozonia
* ocellata, Lienardia ocellata, Mitra * ocellata, Nerita * ocellata, Nitidella
* ocellata, Phyllidia * ocellata, Pictocolumbella ocellata, Platydoris * ocellata, Scabricola
ocellata fasciomaculata, Erosaria * ocellata guttata, Mitrella ocellata lineata (f), Leucozonia ocellata major (f), Lienardia
* ocellata mariae (f), Scabricola * ocellata ocellata, Mitrella * ocellatula, Zafra ocellatum, Calliostoma
ocellatus, Cerithium * ocellatus, Plakobranchus ocellatus, Plocamopherus * ocellifer, Fusinus
* ocellifer adamsii (f), Fusinus ocellifer cinnamomeus (f), Fusinus * ocellifer robustior (f), Fusinus ocellifera, Costasiella
* ocellifera, Pleuroploca ocelligera, Aglaja ocellina, Cantharidella * ocellina, Nitidella
ocellus, Cystiscus ochidioides, Buchanania ochotense, Punctulum * ochotensis, Lussivolutopsius filosus
* ochotensis, Margarites ochotensis, Neptunea ochotensis, Scalaria ochotensis declivis, Buccinum
ochotensis kamchatica (f), Margarites * ochotensis ochotensis, Buccinum * ochracea, Alaginella ochracea, Borsonia
ochracea, Vexillum * ochraceus, Conus spurius ochrobrunnea, Crassispira * ochroglottis betuleti, Canarium
* ochroglottis ochroglottis, Canarium ochroleuca, Drillia ochroleuca, Eatonina * ochroleucus, Clanculus
* ochroleucus, Trochus * ochroleucus ochroleucus, Conus * ochroleucus tmetus, Conus * ochrostigmata, Natica
* ochrostoma, Pascula ochsneri, Balcis * ochsneri, Cleospira * ochsneri, Colubraria
ochsneri, Teinostoma ocrinum, Cyclostrema octagonum, Epitonium * octanfracta, Laemodonta
* octangulata, Hemicythara octavia, Oliva * octaviana, Emarginula octaviana, Pyramidella
octocarinatus, Trichosirius octocostata, Epitonium octogenaria (f), Cerithium vulgatum * octogona, Diodora
* octogonalis, Cymbiola nobilis octogonum, Epitonium * octogonus, Muricopsis * octolirata, Circulus
octona, Rissostomia membranacea octona, Turbonilla * octona octona, Leiopyrga octona problematica, Leiopyrga
octoplicata, Topaginella * octoradiata, Hemitoma octoradiata, Patella octosectus, Petaloconchus
oculata, Cypraea oculata, Cypraea oculata, Terebra oculatum, Buccinum
oculatum, Thoracium * oculatus, Chicoreus oculatus, Conus * oculifera, Aplysia
oculifera, Bathybela oculifera, Coccopigya * oculus, Patella * oculus, Siphonaria
oculus badia, Patella oculus fuscescens, Patella oculus planatula, Patella oculus schroeteri, Patella
odhneri, Archidoris odhneri, Bela odhneri, Dicata odhneri, Inquisitor
odhneri, Mendax trizonalis odhneri, Microhedyle odhneri, Polycera odhneri, Trimusculus
odhneri, Tritonia odhneri, Zeradina odhneri benthicola, Liracraea * odhneri odhneri, Liracraea
odisseyi, Trophonopsis * odontis, Austrocochlea odontoidea, Melanella odorata, Aplysia
odoricyi, Bullata * oedematum, Buccinum oehlertiana, Ringicula oenoa, Glyphostoma
oenoa, Mangilia oenonensis, Turboella * oentoengi, Tonna oerstedi, Columbella
oerstedianum, Epitonium oestergreni, Enteroxenos ofeliae, Volvarina offlexa, Architectonica
ofuensis, Mastoniaeforis * ogaitoi, Amaea ogasawarae, Succinea ogasawarai, Pteropurpura
* ogasawarana, Alvania ogasawarana, Columbella albinodulosa ogasawarana, Eulima ogasawarana, Oenopota
ogasawarana, Thala ogasawarana longa, Tornatellina ogasawarana ogasawarana, Tornatellina ogasawaranus, Planaxis abbreviatus
ogasawarensis, Bistolida * ogasawarensis (f), Erosaria cernica cernica ogmorhaphe, Pyrgulopsis ogoouensis, Ziba
* ogum, Latirus ogurana, Ophiodermella ohashii, Microliotia ohashii, Trogloconcha
* ohlini, Boreotrophon ohlini, Thesbia * ohmurai, Coralliophila oishiae (f), Echinophoria wyvillei
* oishii, Conus * oishii, Mikadotrochus okadai, Colpospira okadai, Ringicula
* okamotoi, Amamiconcha * okamotoi, Astralium * okamotoi, Atys okamotoi, Conus
okamotoi, Conus okamotoi, Macromphalus okezoko, Epitonium * okezoko, Epitonium
* okhotensis, Ancistrolepis okhotensis, Boreotrophon alaskanus * okhotskana, Plicifusus okhotskensis, Aforia
okinavensis, Gemmula okinavensis, Latiromitra okinawa, Halgerda * okinawae, Gymnodoris
okinawaensis, Emarginella * okinawensis, Rissoina okudai, Oenopota okumurai, Odostomia
okutanii, Antarctodomus okutanii, Coccopigya okutanii, Erosaria okutanii, Neadmete
okutanii, Obesotoma olangoensis, Lophiotoma oldhami, Parabathytoma * oldhamiana, Hemitoma
* oldi, Tricornis * oldi (f), Oliva concinna oldroydae, Alvania oldroydae, Marginella
oldroydi, Acteocina * oldroydi, Babelomurex * oldroydi, Glyptaesopus * oldroydii, Calinaticina
olea, Conus * oleacea, Archiminolia oleacea, Melanella * oleacea, Zierliana
oleacina, Drillia olearium, Buccinum olearium, Buccinum * olearium barcellosi, Ranella
* olearium olearium, Ranella olearius, Turbo olgae, Conus olgae, Hypselodoris
olgae, Vexillum * olgiatiana (f), Cypraea tigris * olgiatii (f), Conus balteatus oligacanthus (f), Chicoreus brunneus
oligocotyla, Pneumodermopsis oligogyra, Atlanta oligoina, Paramontana oligomphala, Tricolia
oligostata, Erato oligostigma, Benthonellania oligostira, Siphonalia * oligostira (f), Penion mandarinus
* oliva, Crassispira oliva, Cylichna oliva, Ellobium oliva, Mitromorpha
* oliva, Oliva oliva, Tambja * oliva algida (f), Oliva * oliva candida (f), Oliva
oliva dealbata (f), Oliva * oliva flaveola (f), Oliva * oliva gratiosa (f), Oliva * oliva jayana (f), Oliva
* oliva stellata (f), Oliva * oliva taeniata (f), Oliva * olivacea, Astraea olivacea, Cypraea
olivacea, Dolabrifera olivacea, Eatoniella * olivacea, Gaza * olivacea, Knefastia
olivacea, Littorina * olivacea, Littorina obtusata olivacea, Marionia olivacea, Mitra
* olivacea, Oxynoe olivacea, Patella olivacea, Rissoa olivacea (f), Cypraea stercoraria
olivacea (f), Oliva tisiphona olivacea impressa, Pisinna olivacea olivacea, Pisinna * olivaceus, Clithon
olivaceus, Conus olivaceus, Conus olivaceus, Eubranchus olivaceus, Fusus
* olivaceus, Melampus * olivaceus, Monophorus * olivaceus, Nassarius olivaceus, Phanerophthalmus
olivaceus giganteus (f), Margarites olivaceus olivaceus marginatus, Margarites olivaceus olivaceus, Margarites olivaceus olivaceus giganteus (f), Margarites
* olivaeforme, Prunum olivaeformis, Acteocina * olivaeformis, Imbricaria olivaeformis, Prunum
olivaria, Mitra olivaria, Nerita olivaria, Proterato olivaria, Tambja
olivella, Gibberula * olivella, Mesoginella olivellaeformis, Marginella olivellaeformis, Mitra
* oliverai, Granuliterebra * oliverai, Mitra * oliverai, Poirieria oliveri, Cellana strigilis
oliveri, Fictonoba oliveri, Onoba oliveri, Stomatella oliverioi, Onoba
oliverioi, Surrepifungium oliverioi, Turbonilla oliviae, Hermaea olivieri, Trochus
olivieriana, Mangilia oliviformis, Cylichnium oliviformis, Mitromorpha oliviformis elongata (f), Mitromorpha
oliviformis fusca (f), Mitromorpha oliviformis luteola (f), Mitromorpha oliviformis major (f), Mitromorpha oliviformis minor (f), Mitromorpha
oliviformis rufula (f), Mitromorpha oliviformis ventricosa (f), Mitromorpha * olivoidea, Mitromorpha olivoidea crenipicta (f), Mitromorpha
olivoidea fusca (f), Mitromorpha olivoidea granulosa (f), Mitromorpha olivoidea lactea (f), Mitromorpha olivoidea major (f), Mitromorpha
olivoidea minor (f), Mitromorpha olivoidea unifasciata (f), Mitromorpha olivula, Ellobium * olla, Cymbium
olla, Neverita * olomea, Nassarius olopana, Haminoea * olorinella (f), Oliva reticularis
* olsoni, Cominella olssoni, Calliostoma * olssoni, Chondropoma * olssoni, Cominella
* olssoni, Compsodrillia * olssoni, Dermomurex * olssoni, Haustellum * olssoni, Oliva
* olssoni, Olivella * olssoni, Pachybathron olssoni, Vexillum oltmansianus, Conus
* olunguis, Scutus * olydium, Canarium labiatum olympiadina, Oliva olympiadina, Oliva
* olyra, Daphnella