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Species beginning with At . . .

ata, Chrysallida ata, Turbonilla atacamae, Saginofusca atahualpa, Cylichna
ataktos, Eulimella * atalaya, Cerithiopsis * atalina, Oliva * atalina stainforthii (f), Oliva
atava, Cypraea atea, Triphora atella, Nassarina atemeles, Iravadia
* ater, Clanculus microdon * ater, Faunus ater (f), Conus ventricosus * ater (f), Hinea fasciata
* ateralbus, Conus ateralbus, Monophorus aterima, Batillaria aterimmum, Batillaria
* aterrima, Nerita * aterrima, Pilsbryspira atervisceralis, Eatoniella athadona, Columbella
athadona, Flabellina * athenia, Dolomena variabilis * athenia, Oliva athleenae, Anticlimax
* athletica (f), Patella ulyssiponensis athyrma, Drillia * atjehensis, Mitra atjehensis, Turricula tornata
* atkana, Littorina sitkana atkinae (f), Urosalpinx cinerea * atkinsoni, Anachis * atkinsoni, Colpospira
atkinsoni, Drillia atkinsoni, Lucidestea atkinsoni, Solatisonax atkinsoni, Sukashitrochus
atkinsoni (f), Inquisitor crenularis atlantica, Anatoma * atlantica, Anticlinura atlantica, Carinaria
* atlantica, Casmaria ponderosa atlantica, Cavolinia atlantica, Charonia atlantica, Coralliophila
atlantica, Cylichna * atlantica, Cypraeovula iutsui atlantica, Diacria atlantica, Exilioidea
* atlantica, Laevinesta * atlantica, Melanella * atlantica, Neritopsis atlantica, Pedicypraedia
atlantica, Pleurotomella atlantica, Trichotropis atlantica, Triphora atlantica, Turbonilla
atlantica (f), Cuvierina columnella atlantica (f), Drilliola emendata * atlantica (f), Erosaria spurca atlantica (f), Manzonia crassa crassa
* atlantica (f), Ranella gigantea atlantica atlantica, Mangelia atlantica curta (f), Mangelia atlantica elongata, Mangelia
atlantica elongata (f), Mangelia atlantica minor (f), Mangelia * atlanticoselvagem, Conus atlanticum, Gyrineum
* atlanticum, Monostiolum atlanticum, Pneumoderma * atlanticus, Conus spurius atlanticus, Eosipho
atlanticus, Ficus * atlanticus, Glaucus atlanticus, Lepetodrilus * atlanticus, Perotrochus
atlanticus, Pleurobranchus atlanticus, Thliptodon * atlanticus notialis (f), Perotrochus atlantidea, Brachycithara
atlantidea, Gibberula * atlantideus, Nassarius atlantideus, Pterynotus atlantidis, Caecum
atlantis, Calliostoma atlantis, Fulgurofusus atlantis, Opaliopsis atlantis, Poirieria
atlantis, Scaphella atlantoides, Calliostoma atlasi, Turbonilla atoma, Pupatonia
atomaria, Cingula * atomaria, Cleotrivia atomaria, Crithe atomaria, Eatonina
atomaria, Paludina * atomaria, Ransoniella punctata atomarius, Conus atomus, Epitonium
atomus, Ganesa atomus, Omalogyra atomus, Plesiocystiscus atomus, Rissoa
atomus, Rissoa atomus, Triphora atomus burwoodiana (f), Omalogyra atomus maculata (f), Omalogyra
atomus nautiliformis (f), Omalogyra atomus ornata (f), Omalogyra atomus polyzona (f), Omalogyra atopa, Ceratosoma
atopodonta, Bonellitia atossa, Turbonilla atoxica, Abyssobela atra, Cypraea
atra, Mangelia derelicta atra, Planaxis atra, Polycera atra, Protaeolidiella
atra, Siphonaria * atra, Tegula atra (f), Donovania mamillata atra (f), Donovania minima
atra (f), Donovania turritellata atra (f), Lachesis minima atra (f), Mangelia multilineolata atra (f), Mangelia multilineolata
atra (f), Mangelia rugulosa atra (f), Mangilia albida atra (f), Philbertia bucquoyi atra (f), Raphitoma corbis
atra (f), Raphitoma laviae atra (f), Raphitoma purpurea purpurea * atracta, Alaginella atractina, Sandalia
* atractoides, Daphnella atractoides aethiopica, Bathytoma * atractoides atractoides, Bathytoma * atractoides boholica, Bathytoma
atractoides obsolescens, Bathytoma atractus, Conus * atramentaria, Anachis atramentaria (f), Batillaria zonalis
* atramentosa, Lovellona atramentosa, Nacella * atramentosa, Nerita * atramentosa, Pilsbryspira
atrasolea, Crepidula * atrata, Acteocina * atrata, Collisella atrata, Cypraea
atrata, Cypraea atrata, Echinolittorina atrata, Fissurella atrata, Nassaria
atrata, Nerita atrata, Nerita atrata, Pleurotoma atrata, Pleurotoma
atrata, Siphonaria * atrata, Zafra atrata, Zoila * atrata (f), Angaria delphinus delphinus
atrata (f), Cypraea stercoraria atrata (f), Zoila thersites thersites * atrata atrata, Monodonta * atrata trappei, Monodonta
atratum, Cerithium * atratum, Cerithium * atratum, Euchelus atratum chadel (f), Cerithium
atratum graciliforme (f), Cerithium atratum striatissima (f), Cerithium atratum umbonata (f), Cerithium * atratus, Monophorus
atrella, Eatoniella atreolineata, Bulla * atricatenus, Clanculus * atriceps (f), Luria controversa
atrior, Crassispira atrocyanea, Natica atromaculata, Discodoris atromarginata, Discodoris
* atromarginata, Glossodoris * atromarginatum, Cerithium atromarginatum maculosa (f), Cerithium atromarginatum nassoides (f), Cerithium
atropurpurea, Clavatula atropurpurea, Eatoniella atropurpurea, Ocenebra atropurpurea, Philbertia
atropurpureus, Clanculus * atrostyla, Kurtziella atrotuberculata, Hallaxa atroviridis, Elysia
attalia, Elaeocyma attentia, Canalispira * attenuans, Aclis attenuata, Etrema kitcheni
* attenuata, Mangelia attenuata, Marginella attenuata, Melanella attenuata, Mitra
attenuata, Odostomia acuta attenuata, Oliva attenuata, Opalia attenuata, Scaphander
attenuata, Seila attenuata, Syrnola attenuata, Trochaclis attenuata, Turbinella
attenuata, Turbonilla attenuata, Turritella attenuata, Volvarina attenuata, Zemitrella
* attenuata, Ziba attenuata (f), Anachis haliaeeti attenuata (f), Aquillus dolarius attenuata (f), Assiminea francesiae
attenuata (f), Bela pygmaea attenuata (f), Cerithium lividulum attenuata (f), Cerithium zebrum attenuata (f), Donovania minima
attenuata (f), Donovania turritellata attenuata (f), Fusus turtoni attenuata (f), Lachesis minima attenuata (f), Pleurotoma talismani
attenuata (f), Weinkauffia canariensis attenuata attenuata, Philbertia attenuata gracilis (f), Odostomia acuta attenuatispira, Triforis
attenuatum, Caecum attenuatum, Cerithium attenuatum, Parviscala * attenuatum attenuatum, Bittium
attenuatum boreale, Bittium attenuatum brevicaudata (f), Cerithium attenuatus, Aeneator * attenuatus, Conus
attenuatus, Fusus attenuatus, Melanopsis attenuatus, Tornus * attenuatus, Tosatrochus
attenuatus, Volutopsius * attenuatus ustickei (f), Conus atticae, Asthenotoma ornata attonsa, Cylichna
attrita, Turbonilla atwoodi, Amaea atypha, Gymnobela atypha, Melanella
atypha, Natica atypha, Turbonilla atypica, Acremodontina atypicus, Clanculus
atys, Bulla * auberiana, Alvania * auberiana, Ithycythara auberii, Cylichna
auberti, Nymphispira aubryana, Cypraea aubryana, Vexillum * aubryana (f), Propustularia surinamensis
* aubryanum, Glyphostoma aubryi, Thala aubulata, Palisadia aucklandica, Laevilitorina
aucklandica, Melanella aucklandica, Odostomia aucklandica, Thoristella chathamensis aucklandica, Thysanodonta
aucklandicus, Axymene traversi audax, Diodora audax, Drillia * audouini, Avalitiscala
audouini, Cerithium audouini, Fasciolaria audouini gracilior (f), Fasciolaria audreyae, Gibberula
augerea, Volvarina augmenta, Microdiscula * augur, Conus augur, Conus
augur, Eulima augusta, Gymnobela augusta augusta, Paracomitas augusta powelli, Paracomitas
augustae, Fenimorea augustoi, Pseudactaeon augustum, Dentimargo augustus, Murex
augustus, Strombus aulaca alaskana, Aforia aulaca aulaca, Aforia * aulacodes, Eudolium
aulacoessa, Daphnella aulacoglossa, Polinices aulaea, Haliotis * aulakion, Caelatura
aulica, Turbonilla * aulica aulica, Cymbiola * aulica cathcartiae, Cymbiola aulicum, Calliostoma
* aulicus, Conus * aulicus aurantia (f), Conus * aulicus gracianus (f), Conus * aulicus propenudus (f), Conus
aulicus roseus (f), Conus aupouria, Alvania aupouria, Anatoma aupouria, Curveulima
aupouria, Lissotesta aupouria, Mathilda aupouria, Mesoginella aupouria, Munditia
aupouria, Nototriphora aupouria, Onoba * aupouria, Pectinodonta aupouria, Pisinna subfusca
aupouria, Retusa aupouria, Rissoina aupouria, Terelimella aupouria, Tornus
aupouria, Turboella aupouria, Zeadmete aupouria aupouria, Liarea aupouria tara, Liarea
aupourianum, Calliostoma aura, Orbitestella * aurantia, Anachis aurantia, Cylindriscala
aurantia, Dirona * aurantia, Gibbula aurantia, Littorina * aurantia, Marginella
aurantia, Mitra aurantia, Murex aurantia, Nerita aurantia, Pterocera
aurantia, Turbo aurantia, Voluta aurantia (f), Apicularia frauenfeldiana * aurantia (f), Conus amadis amadis
* aurantia (f), Conus aulicus aurantia (f), Eucithara vexillum * aurantia (f), Fulgoraria rupestris * aurantia (f), Provocator mirabilis
aurantia (f), Pseudomelatoma torosa * aurantia aurantia, Mitra aurantia aurantia limbifera (f), Mitra * aurantia aurantia nanus (f), Mitra
aurantia limbifera (f), Mitra aurantia * aurantia nanus (f), Mitra aurantia * aurantia subruppeli, Mitra aurantiaca, Cerithiopsis
* aurantiaca, Cronia aurantiaca, Cuthona aurantiaca, Fasciolaria aurantiaca, Manzonia
aurantiaca, Melanodrymia aurantiaca, Mitra * aurantiaca, Pleuroploca aurantiaca, Rissoa
aurantiaca, Syrnola aurantiaca (f), Oliva miniacea miniacea aurantiaca aurantiaca, Berthella aurantiaca brunnea (f), Pleuroploca
aurantiaca elongata, Berthella aurantiaca purpura (f), Pleuroploca aurantiacum, Pterocera aurantiacus, Latirus
aurantiacus, Latirus aurantiacus, Onchidiopsis auranticus, Latirus aurantiocincta, Crassitoniella
* aurantiomacula, Diminovula aurantiomaculata, Halgerda aurantiomarginata, Polycera * aurantionodulosa, Diversidoris
* aurantium, Haliotis * aurantium, Lyncina * aurantium, Turbovula aurantium turanga, Cypraea
* aurantius, Conus * aurantius, Plicifusus * aurantius, Polinices * aurantius, Turbo
aurata, Gibberula aurata, Mitra aurata, Runcina aurata, Trapania
* aurata, Zoila jeaniana aurata (f), Cerithium vulgatum * aurata (f), Oliva bulbosa * aurata (f), Oliva vidua
* auratinus, Conus * auratum, Bembicium auratum, Monostiolum auratus, Conus
auratus, Conus auratus, Muricopsis auratus, Strombus * aurea, Canalispira
aurea, Cantharidella aurea, Cerithiopsis aurea, Clathurella aurea, Cyrtocythara
aurea, Doriopsilla aurea, Glabella * aurea, Nacella deaurata aurea, Pleurotoma
aurea (f), Patella vulgata vulgata aurea lactea (f), Cyrtocythara aureamala, Rostanga aurelia, Marginella
aurelius, Conus * aureobalteata, Olivella aureocallosa, Amalda aureocallosa, Ancillista
aureocincta, Olivella * aureocinctum, Pseudocyphoma * aureocinctus, Dentimargo aureocinctus, Latirus
* aureofasciatus, Conus spurius * aureola, Bolma aureola, Cassis aureola, Cypraea
* aureola, Daphnella aureola, Eumetula aureola, Glossodoris * aureola, Primovula
aureola, Pyrene aureolatum, Vexillum * aureolineatum, Vexillum * aureolus, Conus
aureolutea, Amauropsis * aureomaculatum, Epitonium * aureomarginata, Amalda * aureomarginata, Chromodoris
aureomarginatus, Stiliger * aureomexicana, Columbella * aureonimbosus (f), Conus anabathrum anabathrum * aureonodosa, Pilsbryspira
aureopunctata, Chelidonura aureopunctata, Noumea aureopunctata, Trapania * aureopunctatus, Conus
* aureopurpurea, Chromodoris * aureotincta, Tegula aureotincta (f), Philbertia tincta aureovincta, Isotriphora
aureozona, Tectonatica * aureum, Astralium * aureum, Epidendrium aureus, Amalda
* aureus, Conus aureus, Conus aureus, Fusus aureus, Serpulorbis
* aureus paulucciae (f), Conus * auricincta, Eulima * auricincta, Turritella auricolor, Turbonilla
auricoma, Cypraea auricoma, Pyramidella auricoma, Turbonilla auricoma (f), Cerithium guinaicum
auricomata, Cypraea * auricomus, Conus auricomus, Conus * auricomus dactylosus (f), Conus
* auricula, Crucibulum auricula, Microstilifer auricula, Stomatella * auricularia, Dolabella
auricularia, Littorina * auricularia, Olivancillaria vesica auricularia, Radix * auriculata, Facelina
* auriculata, Ringicula auriculata, Rissoa auriculata (f), Nerita balteata * auriculatum, Caecum
* auriculatum, Neripteron * auriculatum decurtata (f), Caecum auriculatus, Radix auriculifera, Clavus
auriculoides, Mitra aurifer, Conus aurifera, Assiminea aurifila, Opalia
auriformis, Incisura auriformis, Philine auriformis, Pleurotoma auriformis, Rissoa hyalina
* auriformis auriformis, Rissoa auriformis pseudomonodonta, Rissoa aurigena apeliota, Neptunea aurigena aurigena, Neptunea
* auriger (f), Conus textile textile aurigera, Chromodoris auriscalpia (f), Cerithium vulgatum * auriscalpium, Goniostoma
auriscalpium candida (f), Goniostoma auriscalpium expansa (f), Goniostoma * auriscata, Otopleura * aurisdianae, Euprotomus
* aurisfelis, Cassidula * aurisflamma, Annulobalcis * aurisiacus, Conus * aurisjudae, Ellobium
auris-malchi, Helix * aurismidae, Ellobium aurisula, Polycera aurita, Depressiscala
aurita, Gymnodoris * aurita, Pachymelania aurita, Turboella aurita (f), Epitonium occidentalis
aurita fusca (f), Pachymelania auritae, Hypermastus auritulus, Favorinus * auritulus, Gemophos
aurivillii aurivillii, Onoba aurivillii axicostata, Onoba aurora, Antarctoneptunea * aurora, Aperiovula
aurora, Calliostoma aurora, Cypraea * aurora, Euprotomus aurora, Fulgurofusus
aurora, Marginella aurora, Pectenodoris aurora, Prosipho aurora, Splendrillia
* aurora (f), Conus tinianus aurora (f), Oliva carneola * aurora aurora, Mitra * aurora floridula, Mitra
ausonia, Palazzia * aussiorum, Trivirostra austini, Conus austrafricana, Triviella
* australasia, Pleuroploca * australasia australasia, Ranella australasia australasia benthicola (f), Ranella australasia australasia vossi (f), Ranella
* australasia bakeri (f), Pleuroploca australasia benthicola (f), Ranella australasia * australasia coronata (f), Pleuroploca australasia eucla (f), Pleuroploca
australasia fusiformis (f), Fasciolaria * australasia gemmifera, Ranella australasia vossi (f), Ranella australasia australasiae, Cymatium
australasica, Eulima australe, Buccinum * australe, Calliostoma australe, Dolium
australe, Proxiuber australe, Solarium australe, Solarium * australe, Vexillum
australe (f), Cerithidea bicarinata australense, Batillaria australiae, Onoba australiae (f), Amoria undulata
australiana, Ellobium australica, Monophorus * australiensis, Cribrarula cribraria australiensis, Eatoniella
australiensis, Melanella australiensis, Murex australiensis, Parvioris * australiensis, Peristernia
* australiensis (f), Bufonaria rana australiensis (f), Chicoreus brunneus * australis, Aesopus australis, Alcyna
* australis, Amalda australis, Amphibola australis, Anatoma australis, Assiminea
australis, Auricula * australis, Austroliotia australis, Babelomurex * australis, Batillaria
australis, Calliostoma australis, Cancellaria australis, Carinaria australis, Chevallieria
australis, Cirsonella * australis, Colpospira australis, Conus australis, Conus
australis, Conus australis, Cypraea * australis, Diodora australis, Doxander vittatus
* australis, Duplicaria australis, Echinolittorina * australis, Elysia * australis, Engina
australis, Epiforis australis, Fairbankia * australis, Fusinus * australis, Haliotis
* australis, Heleobia australis, Hemitoma * australis, Hipponix australis, Hyalaea
australis, Lamellaria australis, Lepsiella australis, Lironoba australis, Margarites
australis, Melibe * australis, Mesoginella * australis, Microvoluta australis, Midorigai
australis, Mitrella * australis, Monodonta australis, Murex australis, Nassa
* australis, Nihonia * australis, Nodilittorina australis, Odostomia * australis, Oliva
* australis, Opalia australis, Ophicardelus * australis, Phasianella australis, Powellisetia
australis, Pyramidella australis, Ringicula australis, Rostanga * australis, Siphonaria
australis, Spongiobranchaea * australis, Spurilla australis, Stenothyra australis, Strombus
australis, Sydaphera australis, Syrnola * australis, Tenagodus * australis, Thiara
* australis, Thorunna australis, Trivirostra australis, Trochus perspectivus australis, Volvatella
australis, Xenophora australis, Zemira * australis, Zemira * australis (f), Conus ammiralis summus
* australis (f), Guraleus mitralis australis (f), Nerita polita polita australis (f), Odostomia conoidea conoidea australis (f), Solarium hybridum
* australis australis, Conus australis australis, Gabbia * australis australis duplicatus (f), Conus * australis duplicatus (f), Conus australis
* australis gabryae, Conus australis indiffidens, Turritella australis kurzi (f), Oliva australis nodosa (f), Echinolittorina
* australis pallescens (f), Oliva australis subsanguinea (f), Phasianella australis suspecta, Gabbia australis vicarius (f), Conus ammiralis
* austramosus, Chicoreus austraoceanensis, Babylonia austrina, Banzarecolpus * austrina, Mitrella
austrinus, Acteon austrocaledonicum, Epitonium austropacifica, Miralda austrotrochoides, Echinolittorina
* austroviola, Conus autocostata, Amphissa autumnalis, Cypraea autumnalis, Mitra
ava, Pyramidella avachensis, Margarites avalitensis, Cypraea avalites, Avalitiscala
* avalonensis, Boreotrophon * avara, Anachis avaroides, Anachis * avellana, Amphibola
* avellana, Cronia avellana, Niveria * avellana, Oliva * avellana (f), Persicula persicula
avellanoides, Trivellona avellanula, Niveria avellanus, Clithon * avena, Volvarina
avena avena, Neosimnia * avena beyerleana (f), Volvarina avena ruthturnerae, Neosimnia * avena varia (f), Volvarina
* avenacea, Cronia * avenacea, Mitra avenacea, Prunum avenacea bella (f), Prunum
avenella, Volvarina averina, Pseudoraphitoma averni, Glossodoris averni, Turboella
avicennia, Zafra * avilai, Assiminea avira, Inodrillia avunculus, Teinostoma
avus, Pusio elegans awajiense, Vexillum inerme awajiensis, Terebra awapa, Doto
* awatii, Bursa awatii irregularis (f), Bursa awatii minima (f), Bursa * awatii regularis (f), Bursa
axeli, Turbonilla axeliana, Rissoina * axelolssoni, Calliostoma * axelrodi, Conus
axiaerata, Asteracmea axiaerata, Mitrella axialis, Aclophora axialis, Pseudoliotia
* axicornis, Chicoreus * axicornis kawamurai (f), Chicoreus axicostata, Mitromorpha axicostata, Onoba aurivillii
axicostulata, Cerithiella axicula, Pseudoraphitoma axiotimus, Tornus axiplicata, Naskia
axirugosus, Terefundus axis, Daphnella axiscalpta, Mitromorpha aya, Turbonilla
* ayakii, Volvatella ayresi, Polinices * azami, Muricopsis azelotes, Narrimania
azemula, Oliva azemula (f), Oliva miniacea tremulina azineae, Dendrodoris azona, Marginella
azona, Persicula * azona (f), Conus thalassiarchus * azona (f), Oliva reticulata azonata (f), Fusus pulchellus
azonicus, Inopinodon azonus, Megalomphalus azora, Euplica azorensis, Mitromorpha
azorensis, Obtusella griegi azorensis (f), Turbonilla obliquata azorica, Brocchinia azorica, Hypselodoris picta
azorica, Moniziella moniziana azorica, Pseudosetia azorica, Tricolia pullus azoricus, Fusus
azoricus, Spirotropis azpilicuetai, Mitrella azteca, Miralda azuerensis, Cyclostremiscus
azumai, Cancellaria * azumai, Dentiovula * azumai, Fusiaphera * azumai (f), Perisserosa guttata guttata
* azurea (f), Erronea errones coxi azuropunctata, Oxynoe * azygosorius, Fusinus