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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 (8)
obscura, Volvarina (3) 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 (7) obtusus, Murex (3) 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, Aclis occidentalis, Acmaea occidentalis, Aeolidiella (3) occidentalis, Bulla (2)
occidentalis, Bulla (6) 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 (2) 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)