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Species beginning with At . . .

ata, Chrysallida ata, Odostomia (2) ata, Turbonilla atacamae, Eatonina
atahualpa, Cylichna ataktos, Eulimella atalaya, Cerithiopsis (1) atalina, Oliva (5)
atalina stainforthii (f), Oliva (1) atanua, Pagodula atava, Cypraea (6) atea, Orania
atea, Triphora ateles, Cirsonella atella, Nassarina atemeles, Iravadia
ater, Clanculus microdon (1) ater, Joculator ater (f), Hinea fasciata (1) ater (f), Lautoconus ventricosus
ateralbus, Monophorus ateralbus, Trovaoconus (7) aterima, Batillaria (6) aterimmum, Batillaria (6)
aterrima, Nerita (2) aterrima, Pilsbryspira (3) aterrima (f), Murex blainvillei (5) atervisceralis, Eatoniella
athadona, Columbella (9) athadona, Coryphella (1) athadona, Pacificoryphella athenae, Rolaniconus (1)
athenia, Oliva (2) athenia (f), Dolomena variabilis (5) athenia fijiana (f), Oliva (2) athleenae, Anticlimax
athletica (f), Patella ulyssiponensis ulyssiponensis (2) athlia, Bruceiella athyrma, Drillia (3) atjehensis, Mitra (6)
atjehensis, Turricula tornatus atkana, Littorina sitkana (3) atkinae (f), Urosalpinx cinerea atkinsoni, Anachis (4)
atkinsoni, Colpospira (1) atkinsoni, Drillia (1) atkinsoni, Lucidestea atkinsoni, Retusa (1)
atkinsoni, Sinezona (1) atkinsoni, Solatisonax atkinsoni, Sukashitrochus (1) atkinsoni (f), Inquisitor crenularis
atkinsonorum, Okenia atlantica, Ampullosansonia atlantica, Anatoma atlantica, Anticlinura (1)
atlantica, Balcis (1) atlantica, Carinaria (2) atlantica, Casmaria ponderosa (4) atlantica, Cavolinia (5)
atlantica, Charonia (5) atlantica, Coralliophila atlantica, Cuvierina (2) atlantica, Cylichna
atlantica, Cypraeovula iutsui (6) atlantica, Diacavolinia atlantica, Diacria (1) atlantica, Exilioidea
atlantica, Fiona (2) atlantica, Laevinesta (1) atlantica, Mangelia atlantica, Neritopsis (1)
atlantica, Pedicypraedia (1) atlantica, Phylliroe atlantica, Pleurotomella atlantica, Polycera
atlantica, Trichotropis (5) atlantica, Triphora (1) atlantica, Turbonilla atlantica (f), Cuvierina columnella
atlantica (f), Drilliola emendata atlantica (f), Janthina nitens (7) atlantica (f), Manzonia crassa crassa atlantica (f), Naria spurca spurca (2)
atlantica (f), Ranella gigantea (2) atlantica curta (f), Mangelia atlantica elongata, Mangelia atlantica elongata (f), Mangelia
atlantica minor (f), Mangelia atlanticoselvagem, Trovaoconus (4) atlanticum, Gyrineum (4) atlanticum, Pneumoderma
atlanticus, Caducifer (3) atlanticus, Eosipho atlanticus, Ficus (3) atlanticus, Glaucus (4)
atlanticus, Kaloplocamus atlanticus, Lepetodrilus (1) atlanticus, Lindaconus spurius (6) atlanticus, Perotrochus (4)
atlanticus, Pleurobranchus atlanticus, Thliptodon atlanticus notialis (f), Perotrochus (2) atlantidea, Brachycythara
atlantidea, Gibberula atlantideus, Nassarius (1) atlantideus, Timbellus atlantidis, Caecum
atlantis, Calliostoma atlantis, Fulgurofusus atlantis, Opaliopsis (1) atlantis, Paziella
atlantis, Scaphella (1) atlantoides, Calliostoma atlasi, Turbonilla atoma, Pupatonia
atomaria, Cingula atomaria, Cleotrivia (3) atomaria, Crithe atomaria, Eatonina
atomaria, Paludina atomaria (f), Ransoniella punctata punctata (3) atomarius, Conus atomus, Epitonium
atomus, Ganesa atomus, Omalogyra (1) 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 (1) atopa, Chromodoris (2)
atopodonta, Bonellitia (1) atossa, Turbonilla atoxica, Abyssobela atra, Chlorostoma (3)
atra, Cypraea (5) atra, Mangelia (3) atra, Muricopsis atra, Planaxis (6)
atra, Polycera atra, Protaeolidiella (1) atra, Siphonaria (6) atra (f), Chauvetia turritellata (2)
atra (f), Clanculus corallinus (1) atra (f), Donovania mamillata (4) atra (f), Donovania minima atra (f), Lachesis minima
atra (f), Mangelia multilineolata atra (f), Mangelia multilineolata (2) atra (f), Mangelia rugulosa (3) atra (f), Philbertia bucquoyi
atra (f), Raphitoma corbis atra (f), Raphitoma laviae (6) atra (f), Raphitoma purpurea purpurea atracta, Alaginella (3)
atractina, Sandalia atractodeum, Buccinum (5) atractoides, Daphnella (4) atractoides aethiopica, Bathytoma
atractoides atractoides, Bathytoma (4) atractoides boholica, Bathytoma (5) atractoides obsolescens, Bathytoma atractus, Conasprella (6)
atramentaria, Anachis (2) atramentaria (f), Batillaria zonalis atramentosa, Lovellona (5) atramentosa, Nacella
atramentosa, Nerita (5) atramentosa, Pilsbryspira (1) atrasolea, Crepidula atrata, Acteocina (1)
atrata, Cypraea (4) atrata, Delphinula (5) atrata, Doris (4) atrata, Echinolittorina
atrata, Fissurella atrata, Lottia (4) atrata, Marshallopsis atrata, Nassaria (3)
atrata, Nerita (5) atrata, Nerita (4) atrata, Pleurotoma atrata, Pleurotoma
atrata, Siphonaria (3) atrata, Zafra (2) atrata, Zoila atrata (f), Cypraea stercoraria (5)
atrata (f), Zoila thersites thersites atratum, Cerithium (4) atratum, Cerithium (6) atratum chadel (f), Cerithium
atratum graciliforme (f), Cerithium atratum striatissima (f), Cerithium atratum umbonata (f), Cerithium atratus, Euchelus (6)
atratus, Monophorus (3) atratus atratus, Osilinus (3) atratus selvagensis, Osilinus (1) atratus trappei, Osilinus (1)
atrella, Eatoniella atreolineata, Bulla (7) atricatenus, Clanculus (4) atriceps (f), Luria controversa (3)
atrior, Crassispira (3) atrocyanea, Natica atrofusca, Tritonia (3) atrogriseata, Acanthodoris
atromaculata, Dendrodoris atromaculata, Discodoris atromarginata, Doriprismatica (5) atromarginata maccarthyi (f), Doriprismatica (5)
atromarginata minor, Doriprismatica atromarginata pallida (f), Doriprismatica atromarginatum, Cerithium (6) atropos, Doriopsis (4)
atropurpurea, Clavatula atropurpurea, Eatoniella atropurpurea, Nerita (5) atropurpurea, Ocenebra (3)
atropurpurea, Raphitoma (1) atropurpureus, Clanculus (6) atrostyla, Kurtziella (2) atrotuberculata, Hallaxa
atroviridis, Doris (4) atroviridis, Elysia atroviridis (f), Doriopsis nigra attalia, Elaeocyma
attentia, Canalispira attenuans, Aclis (5) attenuata, Cirsotrema (5) attenuata, Eolis
attenuata, Etrema kitcheni attenuata, Mangelia (5) attenuata, Marginella (4) attenuata, Melanella
attenuata, Mitra (5) attenuata, Odostomia acuta attenuata, Oliva (2) attenuata, Pseudodaphnella
attenuata, Scaphander attenuata, Synthopsis attenuata, Syrnola attenuata, Trochaclis
attenuata, Turbinella (7) attenuata, Turbonilla attenuata, Turritella (1) attenuata, Volvarina
attenuata, Zemitrella attenuata, Ziba (2) attenuata (f), Anachis haliaeeti (3) attenuata (f), Assiminea francesiae
attenuata (f), Bela pygmaea attenuata (f), Bittium zebrum (3) attenuata (f), Cerithium lividulum attenuata (f), Chauvetia turritellata
attenuata (f), Donovania minima attenuata (f), Fusus turtoni (3) attenuata (f), Lachesis minima (4) attenuata (f), Muricidea floridana (4)
attenuata (f), Pleurotoma talismani attenuata (f), Weinkauffia turgidula attenuata gracilis (f), Odostomia acuta attenuatispira, Triforis
attenuatum, Caecum attenuatum, Cerithium (2) attenuatum, Parviscala (2) attenuatum attenuatum, Bittium (1)
attenuatum boreale, Bittium attenuatum brevicaudata (f), Cerithium (4) attenuatus, Aeneator (1) attenuatus, Attenuiconus (7)
attenuatus, Fusus (5) attenuatus, Melanopsis attenuatus, Seilarex attenuatus, Tornus
attenuatus, Tosatrochus (5) attenuatus, Volutopsius attenuatus ustickei (f), Dauciconus (2) atticae, Asthenotoma ornata (1)
attilioi, Niso attonsa, Cylichna attrita, Turbonilla atwoodi, Amaea
atypha, Gymnobela atypha, Jorunna atypha, Melanella atypha, Natica
atypha, Turbonilla atypica, Acremodontina atypica, Chlamylla atypica, Doris
atypicus, Clanculus atys, Bulla (7) auberiana, Alvania (2) auberiana, Ithycythara (2)
auberii, Cylichna auberti, Nymphispira aubryana, Cypraea (6) aubryana, Vexillum (4)
aubryana (f), Propustularia surinamensis (1) aubryanum, Glyphostoma (1) aubryi, Thala (1) aubulata, Palisadia
aucklandica, Laevilitorina aucklandica, Melanella aucklandica, Odostomia aucklandica, Thysanodonta
aucklandicus, Axymene traversi aucklandicus, Coelotrochus chathamensis audax, Diodora (4) audax, Drillia
audouini, Cerithium (6) audouini, Crisposcala (1) audouini, Pleuroploca (4) audouini gracilior (f), Pleuroploca (7)
audreyae, Gibberula auffenbergi, Eutriphora augerea, Volvarina augmenta, Microdiscula
augur, Conus (5) augur, Melanella (3) augur, Vituliconus (5) augusta, Boreoberthella
augusta, Gymnobela augusta augusta, Paracomitas augusta powelli, Paracomitas augustae, Fenimorea
augustoi, Eulima augustoi, Jujubinus augustoi, Pseudactaeon augustum, Dentimargo
augustus, Murex (4) augustus, Strombus (5) aulaca alaskana, Aforia aulaca aulaca, Aforia
aulacodes, Eudolium (4) aulacoessa, Daphnella aulacoglossa, Polinices (1) aulaea, Haliotis (4)
aulakion, Caelatura (1) aulica, Turbonilla (1) aulica aulica, Cymbiola (4) aulica cathcartiae, Cymbiola (7)
aulicum, Calliostoma aulicus, Darioconus (8) aulicus aurantia (f), Darioconus (2) aulicus gracianus (f), Darioconus (6)
aulicus propenudus (f), Darioconus (4) aulicus roseus (f), Conus (4) aupouria, Alvania aupouria, Anatoma
aupouria, Curveulima aupouria, Lissotesta aupouria, Mathilda (1) aupouria, Mesoginella
aupouria, Munditia aupouria, Nototriphora aupouria, Onoba aupouria, Pectinodonta (1)
aupouria, Pisinna subfusca aupouria, Pusillina aupouria, Retusa aupouria, Rissoina
aupouria, Terelimella aupouria, Tornus aupouria, Zeadmete aupourianum, Calliostoma
aura, Orbitestella aurantia, Anachis (2) aurantia, Catriona aurantia, Cylindriscala
aurantia, Dirona (1) aurantia, Flabellina peonicia aurantia, Gibbula (1) aurantia, Littorina (8)
aurantia, Marginella (4) aurantia, Melania aurantia, Mitra (4) aurantia, Murex (3)
aurantia, Nerita (3) aurantia, Pellasimnia (2) aurantia, Phenacovolva (2) aurantia, Pterocera (5)
aurantia, Syrnola aurantia, Tritoniopsis (1) aurantia, Voluta (3) aurantia (f), Darioconus aulicus (2)
aurantia (f), Eucithara vexillum aurantia (f), Fulgoraria rupestris (4) aurantia (f), Leptoconus amadis amadis (1) aurantia (f), Littorina saxatilis (10)
aurantia (f), Provocator mirabilis (3) aurantia (f), Pseudomelatoma torosa aurantia (f), Rissoa frauenfeldiana aurantia aurantia, Mitra (7)
aurantia aurantia limbifera (f), Mitra (1) aurantia aurantia nanus (f), Mitra (5) aurantia limbifera (f), Mitra aurantia (1) aurantia nanus (f), Mitra aurantia (5)
aurantia subruppeli, Mitra (5) aurantiaca, Aurantilaria (5) aurantiaca, Cerithiopsis aurantiaca, Cronia (2)
aurantiaca, Doris (3) aurantiaca, Eolis (1) aurantiaca, Fasciolaria (4) aurantiaca, Madrella (2)
aurantiaca, Manzonia aurantiaca, Melanodrymia aurantiaca, Mitra (7) aurantiaca, Mitrella (2)
aurantiaca, Syrnola aurantiaca, Triopha aurantiaca (f), Dendronotus arborescens (3) aurantiaca (f), Oliva miniacea
aurantiaca aurantiaca, Berthella aurantiaca brunnea (f), Pleuroploca aurantiaca elongata, Berthella aurantiaca pallida (f), Amphorina (1)
aurantiaca pallida (f), Trinchesia aurantiaca purpura (f), Pleuroploca aurantiacum, Pterocera (5) aurantiacum, Sphaerostoma (2)
aurantiacus, Latirus (3) aurantiacus, Latirus (1) aurantiacus, Onchidiopsis auranticus, Latirus (5)
aurantiocincta, Crassitoniella aurantiomacula, Diminovula (2) aurantiomaculata, Halgerda aurantiomarginata, Polycera
aurantionodulosa, Diversidoris (2) aurantium, Haliotis (3) aurantium, Lyncina (5) aurantium turanga, Cypraea (5)
aurantius, Cystiscus aurantius, Plicifusus (3) aurantius, Polinices (7) aurantius, Seminoleconus (5)
aurantius, Turbo (2) aurantius, Turbo (3) aurariae, Colus (1) aurata, Doris
aurata, Gibberula aurata, Melanella aurata, Mitra (4) aurata, Phyllidia
aurata, Runcina aurata, Trapania aurata, Zoila jeaniana (7) aurata (f), Cerithium vulgatum (8)
aurata (f), Oliva bulbosa (5) aurata (f), Oliva vidua (3) auratinus, Darioconus (4) auratum, Bembicium (4)
auratum, Monostiolum (1) auratus, Conus (6) auratus, Darioconus (8) auratus, Murexsul
auratus, Strombus (5) aurea, Bellastraea aurea, Canalispira (1) aurea, Cantharidella (2)
aurea, Cerithiopsis aurea, Clathurella (3) aurea, Cyrtocythara (3) aurea, Dendrodoris
aurea, Doto aurea, Glabella aurea, Nacella deaurata (3) aurea, Nembrotha
aurea, Peltodoris aurea, Pleurotoma (3) aurea, Thordisa aurea (f), Patella vulgata vulgata (1)
aurea lactea (f), Cyrtocythara (3) aureamala, Rostanga aurelia, Marginella (2) aurelius, Conus (9)
aureobalteata, Olivella (3) aureocallosa, Amalda aureocallosa, Ancillista aureocincta, Antiopella
aureocincta, Cyphoma (3) aureocincta, Olivella (3) aureocincta, Turbonilla aureocinctus, Dentimargo (1)
aureocinctus, Latirus (2) aureofasciatus, Lindaconus spurius (7) aureola, Bolma (4) aureola, Cassis (4)
aureola, Crenavolva (3) aureola, Cypraea (4) aureola, Daphnella (3) aureola, Eumetula
aureola, Glossodoris aureola, Pyrene (2) aureolatum, Vexillum (2) aureolineatum, Vexillum (3)
aureolus, Leptoconus (1) aureolutea, Amauropsis (3) aureomaculatum, Epitonium (4) aureomarginata, Amalda (3)
aureomarginata, Prionovolva (4) aureomarginatus, Goniobranchus (1) aureomarginatus, Hexabranchus (5) aureomarginatus, Stiliger
aureomexicana, Columbella (2) aureonimbosus (f), Gradiconus anabathrum anabathrum (1) aureonodosa, Pilsbryspira (2) aureopuncta, Onchidoris
aureopunctata, Chelidonura (1) aureopunctata, Noumea aureopunctata, Trapania aureopunctatus, Conasprella (4)
aureopurpureus, Goniobranchus (5) aureotincta, Tegula (3) aureotincta (f), Pseudodaphnella tincta aureovincta, Isotriphora
aureozona, Tectonatica aureum, Astralium (4) aureum, Epidendrium (2) aureus, Amalda
aureus, Conus (11) aureus, Cylindrus (5) aureus, Fusus (3) aureus, Kaloplocamus
aureus, Serpulorbis (2) aureus paulucciae (f), Cylindrus (5) auricincta, Hemiliostraca (3) auricincta, Turritella (1)
auricola, Patella (7) auricolor, Turbonilla auricoma, Cypraea (6) auricoma, Pyramidella
auricoma, Turbonilla auricoma (f), Cerithium guinaicum auricomata, Cypraea (6) auricomus, Conus (5)
auricomus, Darioconus (5) auricomus dactylosus (f), Darioconus (1) auricula, Crucibulum (3) auricula, Microstilifer
auricula, Patella (6) auricula, Stomatella (4) auricularia, Dolabella (4) auricularia, Eolis (3)
auricularia, Littorina (8) auricularia, Olivancillaria vesica (4) auriculata, Facelina (3) auriculata, Ringicula (3)
auriculata, Rissoa auriculata, Stomatella (4) auriculata, Tritonia auriculata (f), Nerita balteata
auriculatum, Caecum (3) auriculatum, Neripteron (2) auriculatum decurtata (f), Caecum (1) auriculifera, Clavus (7)
auriculoides, Mitra (1) aurifer, Conus (8) aurifera, Assiminea aurifila, Opalia
auriformis, Incisura auriformis, Philine auriformis, Pleurotoma auriformis, Rissoa hyalina
auriformis auriformis, Rissoa (1) auriformis pseudomonodonta, Rissoa aurigena apeliota, Neptunea (1) aurigena aurigena, Neptunea
auriger (f), Cylindrus textile textile (2) aurigerus, Goniobranchus aurila, Diaulula auriscalpia (f), Cerithium vulgatum
auriscalpium, Rissoa (6) auriscalpium candida (f), Rissoa auriscalpium expansa (f), Rissoa (1) auriscati, Otopleura (6)
auriscati magnifica (f), Otopleura (2) aurisdianae, Euprotomus (7) aurisfelis, Cassidula (5) aurisflamma, Annulobalcis (3)
aurisiacus, Pionoconus (7) aurisjudae, Ellobium (7) aurisla, Polycera aurismidae, Ellobium (3)
aurita, Doto aurita, Gymnodoris aurita, Pachymelania (4) aurita, Rissoa
aurita (f), Epitonium occidentale aurita fusca (f), Pachymelania auritae, Hypermastus auritulus, Favorinus (2)
auritulus, Gemophos (7) auritum, Depressiscala auritum, Epitonium (4) aurivillii aurivillii, Onoba
aurivillii axicostata, Onoba aurocincta, Turritella (1) aurora, Antarctoneptunea (1) aurora, Aperiovula (4)
aurora, Calliostoma aurora, Cypraea (5) aurora, Euprotomus (4) aurora, Fulgurofusus
aurora, Marginella aurora, Mexichromis aurora, Prosipho aurora, Splendrillia (1)
aurora (f), Ketyconus tinianus (3) aurora (f), Oliva carneola aurora aurora, Mitra (2) aurora floridula, Mitra (5)
ausonia, Palazzia (1) aussiorum, Trivirostra (1) austera, Chauvetia austini, Conasprella (10)
austrafricana, Triviella australasia, Australaria (5) australasia australasia, Ranella (5) australasia australasia benthicola (f), Ranella (1)
australasia australasia vossi (f), Ranella australasia benthicola (f), Ranella australasia (1) australasia gemmifera, Ranella (5) australasia vossi (f), Ranella australasia
australasiae, Cymatium (6) australasica, Eulima australe, Buccinum (5) australe, Caecum
australe, Calliostoma (2) australe, Charonia (5) australe, Dolium (8) australe, Proxiuber
australe, Solarium (9) australe, Solarium (6) australe, Vexillum (6) australe (f), Cerithidea bicarinata
australense, Batillaria australiae, Onoba australiae (f), Amoria undulata australiana, Ellobium (7)
australicus, Monophorus australiensis, Cribrarula cribraria (3) australiensis, Doridopsis (4) australiensis, Eatoniella
australiensis, Murex (7) australiensis, Parvioris australiensis, Peristernia (2) australiensis, Sticteulima
australiensis (f), Bufonaria rana (1) australiensis (f), Chicoreus brunneus australis, Actinodoris (4) australis, Aesopus (1)
australis, Alcyna (1) australis, Amalda (4) australis, Amphibola (5) australis, Anatoma (1)
australis, Assiminea australis, Auricula (5) australis, Austrodoris australis, Austroliotia (5)
australis, Baeolidia (3) australis, Batillaria (5) australis, Calliostoma (2) australis, Caloria
australis, Cancellaria australis, Candiella australis, Carinaria (2) australis, Chevallieria
australis, Cirsonella (4) australis, Colpospira (2) australis, Conus (7) australis, Conus (10)
australis, Conus (6) australis, Coralliophila australis, Cypraea (5) australis, Cypraea (6)
australis, Diodora (4) australis, Doxander vittatus (5) australis, Duplicaria (3) australis, Echinolittorina
australis, Elysia (2) australis, Emarginula (3) australis, Engina (2) australis, Fairbankia
australis, Fusinus (3) australis, Glaucus (4) australis, Haliotis (4) australis, Heleobia (2)
australis, Hipponix (4) australis, Hyalaea (5) australis, Janolus australis, Lamellaria
australis, Lepsiella australis, Margarites australis, Mastoniaeforis australis, Melibe
australis, Merelina (1) australis, Mesoginella (5) australis, Microvoluta (2) australis, Midorigai (1)
australis, Mitrella australis, Monodonta (3) australis, Murex (5) australis, Nassa (3)
australis, Nihonia (1) australis, Nodilittorina (1) australis, Odostomia (7) australis, Odostomia (1)
australis, Odostomia (4) australis, Oliva (4) australis, Opalia (7) australis, Ophicardelus
australis, Phasianella (7) australis, Powellisetia australis, Ringicula australis, Rostanga
australis, Runcina (1) australis, Scutus (7) australis, Setoeolis (4) australis, Siphonaria (3)
australis, Spongiobranchaea australis, Stenothyra australis, Strombus (5) australis, Sydaphera
australis, Syrnola australis, Tenagodus (3) australis, Thiara (1) australis, Thorunna (4)
australis, Trivirostra (6) australis, Trochus (5) australis, Trochus perspectivus (5) australis, Volvatella
australis, Xenophora (5) australis, Zemira (3) australis, Zemira (3) australis (f), Babelomurex lischkeanus (1)
australis (f), Guraleus mitralis (3) australis (f), Leptoconus ammiralis summus (6) australis (f), Nerita polita polita australis (f), Odostomia conoidea conoidea
australis (f), Solarium hybridum (7) australis australis, Asprella (7) australis australis, Gabbia australis australis duplicatus (f), Asprella (3)
australis duplicatus (f), Asprella australis (3) australis gabryae, Asprella (4) australis indiffidens, Turritella (2) australis kurzi (f), Oliva
australis nodosa (f), Echinolittorina australis pallescens (f), Oliva (2) australis subsanguinea (f), Phasianella australis suspecta, Gabbia
australis vicarius (f), Conus ammiralis (6) austramosus, Chicoreus (5) austraoceanensis (f), Babylonia areolata (5) austrina, Banzarecolpus
austrina, Cerithiopsilla austrina, Mitrella (3) austrina, Phallomedusa austrinus, Acteon
austrocaledonicum, Epitonium austrolissa, Anatoma austropacifica, Miralda austrotrochoides, Echinolittorina
austroviola, Hermes (5) autocostata, Amphissa autumnalis, Cypraea (5) autumnalis, Mitra (7)
auzendei, Eosipho (1) ava, Pyramidella avachensis, Margarites avalitensis, Cypraea (5)
avalites, Avalitiscala avalonensis, Boreotrophon (1) avara, Anachis (3) avaroides, Anachis (2)
avatea, Favartia avellana, Amphibola (5) avellana, Cronia (2) avellana, Niveria
avellana, Oliva (2) avellana (f), Persicula persicula (2) avellanoides, Trivia (1) avellanula, Niveria
avellanus, Clithon (3) avena, Volvarina (3) avena avena, Neosimnia (5) avena ruthturnerae, Neosimnia
avena varia (f), Volvarina (4) avenacea, Cronia (5) avenacea, Mitra (7) avenacea, Prunum
avenacea bella (f), Prunum avenella, Volvarina averina, Pseudoraphitoma averni, Ardeadoris
averni, Pusillina avicennia, Zafra (2) avilai, Assiminea (3) avira, Inodrillia
avunculus, Teinostoma avus, Pusio elegans awajiense, Vexillum inerme awajiensis, Terebra (1)
awapa, Doto awatii, Bursa (6) awatii irregularis (f), Bursa (4) awatii minima (f), Bursa (1)
awatii regularis (f), Bursa (2) axeli, Turbonilla axeliana, Rissoina axelolssoni, Calliostoma (3)
axelrodi, Rolaniconus (6) axi, Pseudovermis axiaerata, Asteracmea axiaerata, Mitrella (1)
axialis, Aclophora axialis, Pseudoliotia axicornis, Chicoreus (5) axicornis kawamurai (f), Chicoreus (6)
axicostata, Mitromorpha axicostata, Onoba aurivillii axicostulata, Cerithiella axicula, Pseudoraphitoma
axiotimus, Tornus axiplicata, Naskia axirugosus, Terefundus axis, Daphnella
axiscalpta, Mitromorpha aya, Turbonilla ayakii, Volvatella (1) ayresi, Polinices
azami, Poirieria (3) azelotes, Narrimania azemula (f), Oliva tremulina azineae, Dendrodoris
azmanii, Thordisa (1) azona, Marginella (4) azona, Persicula (4) azona (f), Oliva reticulata (3)
azona (f), Virgiconus thalassiarchus (3) azonata, Satondella azonata (f), Fusus pulchellus (8) azonicus, Inopinodon
azonus, Megalomphalus (1) azora, Euplica (1) azoreana, Elachisina (1) azorensis, Mitromorpha (1)
azorensis (f), Rissoa griegi azorensis (f), Turbonilla obliquata azorica, Brocchinia (1) azorica, Clelandella
azorica, Felimare azorica, Moniziella moniziana (2) azorica, Patella (6) azorica, Setia (1)
azorica, Tricolia pullus (5) azoricus, Fusus (3) azoricus, Spirotropis azpilicuetai, Mitrella
azteca, Halgerda azteca, Miralda azuerensis, Cyclostremiscus azumai, Cancellaria
azumai, Dentiovula (8) azumai, Fusiaphera (2) azumai (f), Perisserosa guttata guttata (7) azurea (f), Erronea errones coxi (5)
azuropunctata, Oxynoe azygosorius, Fusinus (1)