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Species beginning with O . . .

oahuense, Epitonium (3) oahuense, Micranellum oahuensis, Aplysia (5) oahuensis, Comitas
oahuensis, Haminea aperta (6) oahuensis, Pionoconus striatus (1) oahuensis (f), Hastula lanceata (1) oamarutica, Comitas
oba, Catriona obconicus, Peculator obeliscoides, Krachia obeliscus, Dermomurex (3)
obeliscus, Eulimella obeliscus, Mangelia (1) obeliscus, Peringia (2) obeliscus, Pyrgospira (3)
obeliscus, Rastodens obeliscus, Rissoina (2) obeliscus, Trochus (4) obeliscus, Turbonilla
obeliscus, Vexillum (7) obeliscus (f), Rhinoclavis sinensis obeliscus major (f), Peringia obeliscus minor (f), Peringia
oberon, Leiostraca oberwimmeri, Hebra obesa, Amalda (4) obesa, Anachis (3)
obesa, Cancellaria (5) obesa, Chrysallida obesa, Clypeomorus (3) obesa, Cypraea (5)
obesa, Epigrus obesa, Eucithara (2) obesa, Lienardia obesa, Litiopa (6)
obesa, Littorina (4) obesa, Lucidestea obesa, Mitra (4) obesa, Orania spadae (7)
obesa, Perrona (3) obesa, Persicula porcellana (5) obesa, Pleurobranchaea obesa, Pleurotoma
obesa, Pleurotomella obesa, Retusa obesa, Rissoina (1) obesa, Schwartziella
obesa, Setia (1) obesa, Terebra obesa, Tritonoturris obesa (f), Bela brachystoma brachystoma
obesicostata, Pleurotoma (1) obesiformis, Fusus (1) obesina (f), Oliva fulgurator fulgurator (1) obesiusculus, Pyrunculus
obesula, Cystiscus obesula, Moniziella moniziana (2) obesula, Obesula obesula, Odostomia
obesula, Peasistilifer obesula, Zafra (2) obesula (f), Cerithium lividulum obesulum, Calliostoma (1)
obesulum, Cerithium (5) obesum, Caecum (2) obesum, Epitonium obesus, Aesopus (2)
obesus, Amphithalamus obesus, Antiplanes (2) obesus, Conus (4) obesus, Conus (4)
obesus, Fusus (5) obesus, Nassarius obesus, Neptunea obesus, Ocenebra distinctus (3)
obesus, Pyrunculus pyriformis (1) obesus, Tectus obesus, Xymenopsis (5) oblata, Lissotesta
oblata, Pisinna oblatogyra, Granigyra oblectamentum, Turbonilla oblectomentum, Turbonilla
oblicua, Doto obligacanthus, Murex (7) obligatus, Turbo (10) obliqua, Chauvetia lefebvrii
obliqua, Cyllene (2) obliqua, Evalea (1) obliqua, Inella obliqua, Lamellaria
obliqua, Mitra (7) obliqua, Nassa (2) obliqua, Nassa (4) obliqua, Oenopota
obliqua, Ondina (1) obliqua, Onoba obliqua, Pleurotoma obliqua, Scissurella
obliqua, Turbonilla obliquastructionis, Turbonilla obliquata, Bathydoris obliquata, Benhamina (6)
obliquata, Clavus (3) obliquata, Gibbula (1) obliquata, Onoba obliquata, Scalptia (6)
obliquata, Turbonilla (1) obliquata agathensis (f), Gibbula obliquata azorensis (f), Turbonilla obliqueplicata (f), Cerithium lividulum
obliquicosta, Comitas obliquicostata, Clavus (2) obliquicostata, Engina (4) obliquigradata, Bela
obliquiplicata, Antiplanes obliquispira, Pleurotomoides (4) obliquistoma, Curveulima obliquistomum, Hypermastus
obliquum, Buccinum obliquum, Epitonium obliquus, Melampus (4) oblita, Mitrella
oblita, Setia oblita (f), Cymbiola nivosa (7) oblitum, Buccinum oblitum, Cymatium (4)
oblitus, Conus (6) oblitus, Fusinus (3) oblonga, Amalda (2) oblonga, Amblychilepas (3)
oblonga, Bullina (4) oblonga, Cocculina oblonga, Cyllene (4) oblonga, Cypraea (5)
oblonga, Eulima oblonga, Eunaticina oblonga, Fissurella (4) oblonga, Harpa (5)
oblonga, Lucapinella gigas oblonga, Merica (5) oblonga, Nassa (5) oblonga, Onchidoris
oblonga, Ovula (6) oblonga, Patella oblonga, Porcellana (3) oblonga, Succinea
oblonga, Tugali oblonga (f), Conus mediterraneus (20) oblonga (f), Muricopsis blainvillei (5) oblonga (f), Naria nebrites (1)
oblonga (f), Oliva tisiphona (5) oblonga (f), Raphitoma purpurea (6) oblonga (f), Rissoa splendida oblonga oblonga, Rissoa
oblonga rissoidea, Rissoa oblongata, Cypraea (4) oblongata, Ovula (6) oblongatanana, Cypraea (4)
oblongula, Odostomia oblongum, Ceratosoma (1) oblongum, Coronium (2) oblongum, Prunum (2)
oblongus, Eunaticina (1) oblongus, Melampus (2) oblongus, Murex (5) oblongus (f), Darioconus episcopatus (2)
obnixa, Sydaphera obnubila, Pleurotoma obockiensis, Cronia obockiensis, Lienardia
oboesum, Cymatium (2) oboesum retusa (f), Cymatium (2) obolos, Pseudomalaxis (1) obovalis, Fissurella
obovata, Atys (7) obovata, Emarginula obscura, Cantharus bicolor (2) obscura, Colubraria (6)
obscura, Corambe obscura, Cypraea (4) obscura, Doridopsis obscura, Doto
obscura, Ergalatax (1) obscura, Fissurella (7) obscura, Hypselodoris (2) obscura, Marshallopsis
obscura, Monilea (1) obscura, Onchidium (2) obscura, Phidiana obscura, Pusillina
obscura, Pyrene obscura, Solariella (4) obscura, Splendrillia obscura, Stomatia (8)
obscura, Trivirostra (1) obscura, Turbo (5) obscura, Volutomitra (6) obscura, Volvarina (3)
obscura, Volvarina (8) obscura (f), Cantharus pictus (1) obscura (f), Rissoa similis obscura (f), Semicassis bulla bulla (4)
obscura bella (f), Solariella obscura intermedia (f), Solariella (4) obscurata, Atys obscurata (f), Erronea caurica caurica (1)
obscuratus, Clithon obscurum, Cerithium (10) obscurus, Fusus obscurus, Joculator
obscurus, Jujubinus (7) obscurus, Planaxis obscurus, Protostrioconus (7) obscurus (f), Osilinus lineatus lineatus
obscurus obscurus, Priotrochus (3) obsitum, Epitonium (9) obsolescens, Bathytoma atractoides obsoleta, Alexia (7)
obsoleta, Alvania (1) obsoleta, Ilyanassa (4) obsoleta, Leuconopsis obsoleta, Mitra (5)
obsoleta, Muricopsis spinulosa (5) obsoleta, Neptunea (2) obsoleta, Oenopota obsoleta, Ovula (4)
obsoleta, Terebra (5) obsoleta (f), Fasciolaria tulipa (5) obsoleta (f), Galeodea echinophora obsoletior, Neptunea
obsoletum, Buccinum baerii obsoletum, Caecum tracheum (1) obsoletus, Goniobranchus obsoletus, Joculator
obsoletus, Planaxis (2) obsoletus, Plicifusus obsoletus, Turbo (4) obstricta, Bulla (1)
obtecta, Bathydomus obtecta, Patella (6) obtecta, Patella obtectum, Teinostoma
obtectus, Bathydomus (1) obturata, Natica obturata, Pseudoraphitoma obtusa, Amalda (3)
obtusa, Austrocochlea obtusa, Bonellia obtusa, Cancellaria (3) obtusa, Cerithidea (5)
obtusa, Chrysallida (2) obtusa, Clathurella obtusa, Cryptospira obtusa, Cypraea (6)
obtusa, Doris obtusa, Elysia (3) obtusa, Eulima obtusa, Eulima
obtusa, Glabella (4) obtusa, Hyalocylis obtusa, Inella obtusa, Mangilia
obtusa, Marginella (1) obtusa, Mastonia obtusa, Melanella obtusa, Mitra (4)
obtusa, Pleurotoma obtusa, Polinices obtusa, Pseudotorinia obtusa, Rissoa
obtusa, Trochus (6) obtusa, Turbinella pyrum (2) obtusa (f), Conus mediterraneus (20) obtusa kieneri (f), Cerithidea
obtusa lactea, Pyrene (3) obtusa lajonkaireana, Retusa obtusa laxa, Iselica obtusa minor (f), Retusa
obtusa obtusa, Pyrene (5) obtusa obtusa, Retusa (2) obtusa pretiosa (f), Chrysallida obtusa turrita, Retusa
obtusalis, Catriona (5) obtusata, Demoulia (2) obtusata, Mitra (7) obtusata, Nassa (6)
obtusata aestuarii (f), Littorina obtusata obtusata ambigua (f), Littorina (8) obtusata arctica (f), Littorina obtusata obtusata balteata (f), Littorina (8)
obtusata citrina, Littorina (2) obtusata inversicolor (f), Littorina obtusata (1) obtusata littoralis alternata (f), Littorina (1) obtusata obtusata, Littorina (8)
obtusata obtusata aestuarii (f), Littorina obtusata obtusata arctica (f), Littorina obtusata obtusata inversicolor (f), Littorina (1) obtusata obtusata palliata (f), Littorina (1)
obtusata olivacea, Littorina (2) obtusata palliata (f), Littorina obtusata (1) obtusata reticulata, Littorina (1) obtusatae, Littorina (8)
obtusatus, Modulus (2) obtusatus, Plicifusus (1) obtuselirata, Pagodula (3) obtusicostata, Epitonium
obtusicostata, Lienardia obtusigemmata, Comitas obtusispinosum, Vexillum (3) obtusispira, Eatoniella
obtusispira, Setia obtusiuscula, Eulitoma obtusoapicata, Melanella obtusula, Ovula (6)
obtusum, Caecum obtusum, Epitonium (3) obtusum, Ovulum obtusus, Hemiaclis (1)
obtusus, Murex (3) obtusus, Murex (7) obtusus, Tenagodus (2) obtusus (f), Conus mediterraneus (20)
obtusus (f), Varioconus variegatus (2) obvelata, Doris (4) obvelata, Doris (3) obvelata, Monetaria (4)
obvelata calcarata, Cypraea (5) obvelata nubilis (f), Monetaria (2) obvelatum, Buccinum (5) obvelatus, Nassarius (3)
obvoluta, Amphibola (5) obvoluta, Moerchia (1) obvoluta, Rissoina ocarina, Granulina
occa, Murex (3) occaecata, Neptunea (2) occata, Diptychophlia (1) occidens, Fissurella (4)
occidentale, Calliostoma (4) occidentale, Coralliophila occidentale, Cymatium (5) occidentale, Epitonium (4)
occidentale, Fartulum (3) occidentale aurita (f), Epitonium occidentale beui (f), Cymatium (1) occidentale blacketi (f), Cymatium
occidentalis, Acmaea occidentalis, Aeolidiella (3) occidentalis, Bulla (6) occidentalis, Bulla (2)
occidentalis, Cavolinia (5) occidentalis, Clathurella occidentalis, Cleotrivia occidentalis, Clio
occidentalis, Conus ammiralis (6) occidentalis, Cribrarula cribraria (6) occidentalis, Dolium perdix (8) occidentalis, Dondice (2)
occidentalis, Eubranchus occidentalis, Gibberula occidentalis, Marionia occidentalis, Microtralia
occidentalis, Notocypraea piperita (3) occidentalis, Patella (4) occidentalis, Ptychatractus occidentalis, Tethys
occidentalis, Tralia occidentalis, Triopha occidentalis labradorensis, Drepanocheilus (1) occidentalis occidentalis, Drepanocheilus (4)
occidentalis sasamorii, Ptychatractus occidua, Alvania occidua, Archimediella occidua, Cheilea
occidua, Diodora (1) occidua, Notovoluta (1) occidua, Viriolopsis occidua, Volvarina (2)
occiduus, Clavus occlusus, Typhis (6) occulatum, Buccinum (4) occulta, Crepipatella
occulta, Cylichna (1) occulta, Eatoniella occulta, Granulina (1) occulta, Neolepetopsis
occulta, Pusillina occultidens, Odostomia occultus, Joculator oceani, Acinopsis
oceani, Natica livida (3) oceanica, Bela (2) oceanica, Bela nebula (2) oceanica, Carinaria (2)
oceanica, Luria lurida (3) oceanica, Phymorhynchus oceanica, Plicoliva zelindae (3) oceanica, Purpura (7)
oceanica, Turbonilla oceanica, Viriola oceanica, Volvarina (1) oceanica (f), Argobuccinum giganteum (5)
oceanicum, Cerithium (5) oceanida, Litharium (1) oceanida, Pleurotomella oceanitis, Heliacus
oceanodromae, Plicifusus (2) ocellata, Alcyna (5) ocellata, Aplysia (8) ocellata, Berthella (2)
ocellata, Bouvieria ocellata, Cuthona ocellata, Doto ocellata, Felimida
ocellata, Leucozonia (4) ocellata, Lienardia (4) ocellata, Melibe ocellata, Mitra (4)
ocellata, Naria (6) ocellata, Nerita (3) ocellata, Nitidella (4) ocellata, Phyllidia (6)
ocellata, Pictocolumbella (6) ocellata, Platydoris ocellata, Pleurophyllidia ocellata, Polycera (5)
ocellata, Polycera lessonii ocellata, Scabricola (5) ocellata fasciomaculata, Erosaria (4) ocellata guttata, Mitrella (4)
ocellata lineata (f), Leucozonia (4) ocellata major (f), Lienardia ocellata mariae (f), Scabricola (2) ocellata ocellata, Mitrella (5)
ocellatula, Zafra (4) ocellatum, Calliostoma ocellatus, Actinocyclus ocellatus, Cerithium (4)
ocellatus, Eubranchus ocellatus, Plakobranchus (6) ocellatus, Plocamopherus ocellifer, Fusinus (5)
ocellifer adamsii (f), Fusinus (3) ocellifer cinnamomeus (f), Fusinus (1) ocellifer robustior (f), Fusinus (2) ocellifera, Costasiella
ocellifera, Pleuroploca (1) ocelligera, Aglaja (1) ocelligera, Kentrodoris ocelligera, Staurodoris
ocellina, Cantharidella ocellina, Nitidella (1) ocellus, Cystiscus ochotense, Buccinum (2)
ochotense, Punctulum (1) ochotensis, Acirsa ochotensis, Limneria undata ochotensis, Lussivolutopsius filosus (1)
ochotensis, Margarites (1) ochotensis, Neptunea ochotensis declivis, Buccinum ochotensis kamchatica (f), Margarites (2)
ochotensis ochotensis, Buccinum (2) ochracea, Alaginella (2) ochracea, Borsonia ochracea, Vexillum (9)
ochracea (f), Acmaea patina (8) ochraceus, Lindaconus spurius (6) ochrobrunnea, Crassispira ochroglottis, Canarium (3)
ochroleuca, Drillia ochroleuca, Eatonina (1) ochroleuca ochroleuca, Asprella (6) ochroleuca tmetus, Asprella (7)
ochroleucum, Buccinum (5) ochroleucus, Clanculus (1) ochroleucus, Trochus (3) ochrostigmata, Natica (3)
ochrostoma, Drupella (5) ochrostoma, Pascula (5) ochsneri, Balcis ochsneri, Cleospira (4)
ochsneri, Colubraria (4) ochsneri, Solariorbis ocrinum, Cyclostrema octagona, Diodora (4)
octagonum, Epitonium octanfracta, Laemodonta (1) octangulata, Hemicythara (2) octavia, Oliva
octaviana, Danilia octaviana, Emarginula (4) octaviana, Pyramidella octocarinatus, Trichosirius
octocostata, Epitonium (1) octogenaria (f), Cerithium vulgatum octogona, Diodora (4) octogonalis, Cymbiola nobilis (4)
octogonum, Epitonium octogonus, Murex (7) octogonus, Murexsul (4) octolirata, Circulus (1)
octolyrata, Daronia octona, Rissoa membranacea octona, Turbonilla octona octona, Leiopyrga (4)
octona problematica, Leiopyrga octonus, Murex (5) octoplicata, Topaginella octopterygius, Glaucus (4)
octoradiata, Hemitoma (5) octoradiata, Patella (5) octosectus, Petaloconchus oculata, Cypraea (6)
oculata, Cypraea (6) oculata, Glossodoris oculata, Terebra (4) oculatum, Buccinum (4)
oculatum, Thoracium (6) oculatus, Conus oculatus, Phyllonotus (2) oculifera, Aplysia (5)
oculifera, Bathybela oculifera, Coccopigya oculisfictis, Cerithiopsis (2) oculus, Cymbula (6)
oculus, Siphonaria (7) oculus badia, Patella (6) oculus fuscescens, Patella (6) oculus planatula, Patella (6)
oculus schroeteri, Patella (6) odhneri, Amphorina odhneri, Bela (1) odhneri, Cuthona
odhneri, Dicata odhneri, Doris (1) odhneri, Glossodoris (3) odhneri, Inquisitor
odhneri, Marionia pustulosa odhneri, Mendax trizonalis odhneri, Microhedyle odhneri, Polycera
odhneri, Polycera odhneri, Trimusculus odhneri, Tritonia odhneri, Tritonia
odhneri, Zeradina odhneri benthicola, Liracraea odhneri odhneri, Liracraea (1) odisseyi, Abyssotrophon
odites, Bostrycapulus (1) odonoghuei, Doris odonoghuei, Doris odontis, Austrocochlea (5)
odontoidea, Melanella odorata, Aplysia odoricyi, Bullata oedematum, Buccinum (1)
oehlertiana, Ringicula oenoa, Glyphostoma oenoa, Mangilia (1) oenonensis, Pusillina
oentoengi, Tonna (5) oerstedi, Columbella oerstedianum, Epitonium (5) oestergreni, Enteroxenos
ofeliae, Volvarina offlexa, Architectonica (4) ofuensis, Mastoniaeforis ogaitoi, Amaea (1)
ogasawarae, Succinea ogasawarai, Pteropurpura ogasawarana, Alvania (3) ogasawarana, Columbella albinodulosa (1)
ogasawarana, Lunella ogasawarana, Melanella ogasawarana, Oenopota ogasawarana, Thala (4)
ogasawarana, Turbo ogasawarana longa, Tornatellina ogasawarana ogasawarana, Tornatellina ogasawaranus, Planaxis abbreviatus (6)
ogasawarensis, Bistolida (2) ogasawarensis (f), Naria cernica cernica (3) ogmorhaphe, Pyrgulopsis ogoouensis, Ziba
ogum, Latirus (4) ogurana, Ophiodermella ohashii, Microliotia ohashii, Trogloconcha
ohlini, Boreotrophon (4) ohlini, Thesbia ohmurai, Coralliophila (2) ohshimai, Geitodoris
oishiae (f), Echinophoria wyvillei (1) oishii, Asprella (6) oishii, Mikadotrochus (2) okadai, Colpospira
okadai, Ringicula okamotoi, Amamiconcha (1) okamotoi, Astralium (2) okamotoi, Atys (3)
okamotoi, Conus (7) okamotoi, Conus (7) okamotoi, Macromphalus okezoko, Epitonium (1)
okhotensis, Ancistrolepis (4) okhotensis, Boreotrophon alaskanus okhotskana, Plicifusus (2) okhotskensis, Aforia (3)
okinavensis, Gemmula okinavensis, Latiromitra okinawa, Halgerda (1) okinawae, Gymnodoris (1)
okinawaensis, Emarginula (1) okinawensis, Rissoina (1) okudai, Oenopota okumurai, Odostomia
okutanii, Antarctodomus okutanii, Coccopigya okutanii, Erosaria (8) okutanii, Neadmete
okutanii, Obesotoma okutanii, Zygoceras (4) olangoensis, Lophiotoma (3) oldhami, Parabathytoma
oldhamiana, Montfortista (2) oldi, Tricornis (5) oldi (f), Oliva irisans (5) oldroydae, Alvania
oldroydae, Marginella oldroydi, Acteocina oldroydi, Alaba oldroydi, Babelomurex (1)
oldroydi, Barleeia oldroydi, Glyptaesopus (1) oldroydi, Melanella (2) oldroydii, Calinaticina (2)
olea, Conus oleacea, Archiminolia (2) oleacea, Eulima oleacea, Zierliana (2)
oleacina, Drillia oleagina, Nerita (10) olearia, Brookula olearium, Buccinum (4)
olearium, Buccinum (10) olearium barcellosi, Ranella (3) olearium olearium, Ranella (5) olearius, Turbo (4)
oleica, Taringa oleiniki, Jaspidiconus olfersii, Astraea (5) olgae, Adalaria
olgae, Conus olgae, Felimare olgae, Skenea (1) olgae, Vexillum (5)
olgiatiana (f), Cypraea tigris (1) olgiatii (f), Rolaniconus balteatus (5) oligacanthus (f), Chicoreus brunneus oligocotyla, Pneumodermopsis
oligogyra, Atlanta oligoina, Paramontana oligomphala, Tricolia (6) oligopleura, Trivellona (2)
oligopleura, Turbonilla oligostata, Erato oligostigma, Benthonellania oligostira, Siphonalia (4)
oligostira (f), Penion mandarinus (4) oliva, Crassispira (1) oliva, Cylichna (4) oliva, Ellobium (2)
oliva, Mitromorpha (2) oliva, Oliva (6) oliva, Tambja oliva, Thordisa
oliva algida (f), Oliva (5) oliva candida (f), Oliva (2) oliva dealbata (f), Oliva oliva flaveola (f), Oliva (2)
oliva gratiosa (f), Oliva (1) oliva jayana (f), Oliva (1) oliva stellata (f), Oliva (3) oliva taeniata (f), Oliva (3)
olivacea, Astraea (3) olivacea, Cypraea (5) olivacea, Dolabrifera (5) olivacea, Doris
olivacea, Doris olivacea, Eatoniella (3) olivacea, Eolis olivacea, Facelina
olivacea, Gaza (5) olivacea, Knefastia (3) olivacea, Littorina (8) olivacea, Littorina obtusata (2)
olivacea, Marionia olivacea, Mitra (3) olivacea, Onchidoris olivacea, Oxynoe (4)
olivacea, Patella (2) olivacea, Rissoa olivacea, Tritonia olivacea (f), Cypraea stercoraria (5)
olivacea (f), Oliva tisiphona olivacea impressa, Pisinna olivacea olivacea, Pisinna olivaceostrigata, Archiminolia
olivaceus, Clithon (2) olivaceus, Conus (20) olivaceus, Conus (6) olivaceus, Eubranchus
olivaceus, Fusus olivaceus, Melampus (3) olivaceus, Monophorus (2) olivaceus, Nassarius (6)
olivaceus, Phanerophthalmus olivaceus giganteus (f), Margarites olivaceus olivaceus marginatus, Margarites olivaceus olivaceus, Margarites (2)
olivaceus olivaceus giganteus (f), Margarites olivaeforme, Prunum (6) olivaeformis, Acteocina olivaeformis, Imbricaria (4)
olivaeformis, Prunum olivai, Gibberula olivaria, Mitra (6) olivaria, Nerita
olivaria, Proterato olivaria, Tambja olivella, Gibberula olivella, Mesoginella (3)
olivellaeformis, Marginella olivellaeformis, Mitra (4) oliverai, Drillia (4) oliverai, Glyphostoma
oliverai, Mitra (6) oliverai, Paziella (3) oliverai, Terebra (1) oliveri, Cellana (3)
oliveri, Fictonoba oliveri, Littorina (5) oliveri, Onoba oliveri, Stomatella
oliverioi, Alvania (1) oliverioi, Onoba (1) oliverioi, Surrepifungium oliverioi, Turbonilla
oliviae, Aeolidiella olivieri, Trochus (7) 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 (5) olivoidea crenipicta (f), Mitromorpha olivoidea fusca (f), Mitromorpha olivoidea granulosa (f), Mitromorpha
olivoidea lactea (f), Mitromorpha olivoidea major (f), Mitromorpha (5) olivoidea minor (f), Mitromorpha olivoidea unifasciata (f), Mitromorpha
olivula, Ellobium (4) olla, Cymbium (4) olla, Neverita (8) olomea, Nassarius (1)
olopana, Haminoea olorinella (f), Oliva reticularis (4) olrikii, Cratena olrikki, Cuthona
olsoni, Cominella (2) olssoni, Calliostoma (3) olssoni, Chondropoma (1) olssoni, Cominella (2)
olssoni, Compsodrillia (3) olssoni, Dermomurex (1) olssoni, Melanella olssoni, Oliva (5)
olssoni, Olivella (1) olssoni, Pachybathron (1) olssoni, Vexillum (2) olssoni, Vokesimurex (6)
oltmansianus, Conus (7) olunguis, Scutus (1) olydium, Canarium (5) olympiadina, Oliva (5)
olympiadina (f), Oliva tremulina (1) olyra, Daphnella (1)