return arrow A Af Am Ao At B Be Bl Br C Ce Ci Co Cr Cu D De Di Do E Em Et F Fi Fo Fu G Gl Gr H Hi I In Io J K Kl L Le Lo M Mai Mari Mc Mi Mo Mu N Ni O Om P Pe Ph Pl Pr Pu Q R Re Ri Ro Ru S Sc Se Si Sp St Su T Te Th Tr Tu U V Ve Vi W X-zzz

Species beginning with Fi . . .

fiadeiroi, Conus (42) fibra, Halgerda fibratus, Inquisitor fibrosa, Mammilla (5)
fibula, Cancilla (6) fibula, Cypraea (6) fibula, Janthina (7) fibula, Nassaria (2)
fibula, Natica (2) ficaratiensis, Pseudosetia (1) ficarazzensis (var.), Triton gyrinoides (6) ficiformis, Haliotis (8)
ficoides, Ficus (10) ficoides, Tritonium (6) fictilis, Africotriton (2) fictilis, Duplicaria (3)
fictilis, Terebra (2) fictilis helenae (var.), Duplicaria (1) fictor, Rissoina ficula, Gibberula (1)
ficula, Orania (4) ficula, Volvatella ficulinum, Vexillum (1) ficus, Conus
ficus, Ficus (10) ficus, Murex (3) fideliformis, Turbonilla (1) fidelis, Goniobranchus (5)
fidenciae, Cuthona fidicula, Propebela (3) fidicula, Vexillum (4) fidis, Mitra (4)
fidus, Nassarius fieldeni, Mangelia (2) figgisae, Xandarovula (4) figula, Peringiella
figulinus, Conus (9) figura, Oliva (2) figurata, Chromodoris (3) figurata, Tectonatica
fijiana, Oliva (3) fijianorum, Turbonilla (1) fijiense, Acochlidium fijiense, Caecum
fijiensis, Anteaeolidiella fijiensis, Anticlimax (1) fijiensis, Berthelinia fijiensis, Bursina (5)
fijiensis, Conasprella (2) fijiensis, Drillia fijiensis, Helodiamea fijiensis, Liotina (1)
fijiensis, Lyria planicostata fijiensis, Pseudoliotia (1) fijiensis, Runcina fijiensis, Subcancilla (1)
fijiensis, Terebra (6) fijiensis, Turbonilla fijisulcatus, Conus (2) filamentosus, Filifusus (5)
filamentosus, Latirus filamentosus (var.), Conus spectrum (3) filaris, Domiporta (6) filaris, Mitra (6)
filaris, Scala (18) filbyi, Cotonopsis (1) filholi, Marinula (5) filia, Agatha
filia, Diminovula (9) filiacea, Cominella eburnea (2) filialis, Babelomurex filialis, Chicoreus (8)
filiareginae, Calliostoma (4) filiareginae, Vexillum (6) filiareginae (var.), Vexillum citrinum (6) filiaregis, Hirtomurex (5)
filiaris, Babelomurex filiceum, Cominella (1) filicinctus, Horaiclavus (6) filicinctus, Ongoconus (12)
filicosta, Truncatella filifer, Leptothyra (6) filifera, Pleurotomella (2) filifera, Vitrinella
filiferus, Trochus filiforme, Pulsellum filiformis, Bacteridiella filiformis, Syrnola (1)
filistriatum, Vexillum (5) filistriatus, Gemophos (1) filius, Mitra (4) filix, Thordisa
filmerae, Hastula filmerae, Latirus (1) filmerae, Nassarius (4) filmerae (var.), Pyrene flava (4)
filmeri, Conus (8) filocincta, Alvania (2) filocincta, Chrysallida filofusca, Tubercliopsis
filograna, Clavatula (3) filogyra, Margarita filosa, Clathurella filosa, Columbella (3)
filosa, Daphnella (3) filosa, Drillia filosa, Ficus (4) filosa, Granigyra (1)
filosa, Hydatina (7) filosa, Littorinopsis (3) filosa, Lottia (6) filosa, Mitra (7)
filosa, Nassa (6) filosa, Natica (5) filosa, Natica (8) filosa, Naudedrillia
filosa, Nerita (2) filosa, Nitidella (1) filosa, Pyrgocythara (3) filosa, Siphonalia spadicea (5)
filosa, Stellatoma stellata filosa, Truncaria (1) filosa, Voluta (6) filosa bernardiana, Domiporta (6)
filosa gracilis, Mitra (7) filosa subcingulata (var.), Littoraria (5) filosis, Turbo (6) filostria, Onoba
filostriata, Thesbia filosum, Buccinum (6) filosum, Cerithium (6) filosum, Cerithium (7)
filosum, Dentalium filosum esuriens, Bittium (4) filosus, Aesopus (2) filosus, Conus (11)
filosus, Fusus (5) filosus, Kaloplocamus (3) filosus, Latirus (4) filosus, Lussivolutopsius (1)
filosus, Nassarius (6) filosus, Trochus (6) filosus, Trochus filosus, Trochus (6)
filosus, Zetela filum, Episiphon filum, Imbricaria (5) filum, Joculator (3)
filum, Parastrophia (3) fimbria, Fimbria fimbria, Phalium (4) fimbria, Tethys
fimbria dominiquensis (var.), Fimbria fimbriata, Aplysia (8) fimbriata, Bolma fimbriata, Cassis (8)
fimbriata, Coralliophila (3) fimbriata, Cypraea (10) fimbriata, Daphnellopsis (7) fimbriata, Diodora (5)
fimbriata, Doris (4) fimbriata, Doris (3) fimbriata, Doris (6) fimbriata, Hero (1)
fimbriata, Hero fimbriata, Hipponix (6) fimbriata, Laciniorbis fimbriata, Lataxiena (8)
fimbriata, Marginella fimbriata, Melibe (3) fimbriata, Mitrella (1) fimbriata, Oliva (6)
fimbriata, Purpuradusta fimbriata (7) fimbriata, Pythia (1) fimbriata, Risella (2) fimbriata, Rissoina (1)
fimbriata, Scala (1) fimbriata, Scalaria (5) fimbriata, Tethys fimbriata, Torellia (1)
fimbriata (var.), Oxymeris crenulata (5) fimbriata durbanensis (var.), Purpuradusta fimbriata (6) fimbriata fimbriata, Purpuradusta (7) fimbriata fimbriata durbanensis (var.), Purpuradusta (6)
fimbriata fimbriata quasigracilis (var.), Purpuradusta (3) fimbriata insolita, Purpuradusta (5) fimbriata marmorata, Purpuradusta (5) fimbriata marmorata unizonata (var.), Purpuradusta
fimbriata marquesana, Purpuradusta (5) fimbriata quasigracilis (var.), Purpuradusta fimbriata (3) fimbriata subcoerula, Erronea (10) fimbriata unifasciata, Purpuradusta (6)
fimbriata unifasciata waikikiensis (var.), Purpuradusta (2) fimbriatula, Cypraea (4) fimbriatulum, Cirsotrema (1) fimbriatulus, Genkaimurex (6)
fimbriatum, Buccinum (10) fimbriatum, Dolium (5) fimbriatum, Mathilda fimbriatum parvula (var.), Dolium (5)
fimbriatus, Fuegotrophon fimbriatus, Gemixystus fimbriatus, Murex (6) fimbriatus, Murex (5)
fimbriatus, Murex (9) fimbriatus, Pterotyphis (3) fimbriatus, Trochus (8) fimbriolata, Cypraea (6)
fimbriolatum, Cirsotrema fimbriosa, Epitonium (18) finalis, Agathotoma (1) finalis, Ponderinella
finchi, Babelomurex (5) finckhi, Chrystella finesia, Brookula (1) fineti, Mitrella (5)
finitima, Agathotoma (3) finitima, Eulimella (1) finitima, Syrnola (1) finitimum, Epitonium (5)
finkli, Cataegis (1) finkli, Cyphoma (6) finkli (var.), Conus cancellatus (6) finlayi, Acteon
finlayi, Anatoma (2) finlayi, Aoteadrillia (2) finlayi, Attenuata finlayi, Brookula
finlayi, Buccinulum pertinax (1) finlayi, Haurakia finlayi, Maoricolpus finlayi, Micantapex (1)
finlayi, Murex (4) finlayi, Nepotilla finlayi, Oliva (17) finlayi, Tecticrater
finlayi, Turbonilla (1) finlayi, Tutufa (6) finlayi, Xenogalea (8) finlayi, Zeadmete
finlayi, Zemitrella finlayi (var.), Siratus formosus (1) finleyi, Lunovula (1) finleyi, Trivellona (3)
finmarchia, Bela (3) finmarchia (var.), Littorina rudis (11) finmarchica, Praephiline (1) finmarchica (var.), Curtitoma decussata
finmarkianum, Buccinum (3) finschi, Pseudopotamis finterae, Mangilia fiora, Curtitoma
fiordlandica, Rissoella fioritae, Fusinus (5) firma, Etrema firma, Haurakia (1)
firmata, Rissoina firmata, Schwartziella firmatum, Caecum (1) firmichorda, Leptadrillia (2)
firminii, Ovatella (6) firmus, Trochus (4) fiscella, Muricodrupa (12) fiscella funicula (var.), Muricodrupa (4)
fischeri, Aceras fischeri, Alvania (4) fischeri, Aplysia (7) fischeri, Ascobulla (1)
fischeri, Belomitra (7) fischeri, Benthonella (8) fischeri, Brocchinia (2) fischeri, Cryptospira (6)
fischeri, Cylindrobulla (1) fischeri, Epitonium (4) fischeri, Eulima (1) fischeri, Fissurella (2)
fischeri, Fossarus fischeri, Gaza (1) fischeri, Herpetopoma (5) fischeri, Joculator (2)
fischeri, Meioceras (4) fischeri, Meloscaphander fischeri, Mitra (7) fischeri, Mitromorpha (6)
fischeri, Nassa (1) fischeri, Oocorys (7) fischeri, Phenacolepas fischeri, Pleurotoma (2)
fischeri, Pyrgulina fischeri, Schwartziella (2) fischeri, Turbonilla fischeri (var.), Cribrarula gaskoini (5)
fischeri costulata (var.), Pleurotoma (2) fischeri minor (var.), Oocorys (7) fischeriana, Ammonicera (5) fischeriana, Fasciolaria (6)
fischeriana, Gyroscala (6) fischeriana, Orania (5) fischeriana, Volutharpa (8) fischerianum, Buccinum (1)
fischoederi, Conus (7) fiscina, Schwartziella fishhoekensis, Marginella (3) fissa, Bathytoma
fissilabris, Nassarius (1) fissum, Epitonium (7) fissura, Emarginula (4) fissura, Wanganella (3)
fissurata, Alcithoe fissurata (4) fissurata, Calyptraea (5) fissurata, Emarginula fissurata, Swainsonia (7)
fissurata crassa, Alcithoe (5) fissurata elegans, Alcithoe (3) fissurata fissurata, Alcithoe (4) fissuratus, Phyllidiopsis (2)
fissurella, Patella (6) fissurella†, Rimella fistula, Episiphon fistulatus, Murex (8)
fistulosa, Echinopelta fitcheliana, Planaxis (25) fitchi, Terebra (5) fitoi, Turbonilla (1)
fittkaui, Turritriton (4) flabellifera, Doriopsis (3) flabellina, Flabellina flabellum, Zeidora (1)
flaccida, Doriopsis flaccidus, Guraleus (1) flagellatus, Clanculus (6) flagellatus, Janolus (3)
flagellatus, Plocamopherus flagellum, Eulimella (9) flagellum, Glaucus (4) flaianoi, Turbonilla
flamenca, Volvarina flaminea, Mitrella (10) flamingo, Conus (1) flammata (var.), Conus solangeae (6)
flammea, Amaea flammea, Cassis (6) flammea, Cochlis (8) flammea, Cosmioconcha (1)
flammea, Crassitoniella (1) flammea, Cypraea (9) flammea, Daphnella (4) flammea, Diala
flammea, Doris (4) flammea, Hoplodoris flammea, Imbricaria (6) flammea, Littoraria
flammea, Marginella (7) flammea, Nacella (6) flammea, Nerita (7) flammea, Notoacmea (4)
flammea, Notogillia (4) flammea, Patelloida (3) flammea, Purpura (7) flammea, Rissoa (3)
flammea, Terebra (6) flammea, Terebra (5) flammea, Turbinella flammea, Turricula (6)
flammea marrowi, Patelloida (3) flammea queenslandiae, Chiazacmea (3) flammeacolor, Poremskiconus (4) flammeacolor (var.), Oliva tremulina (4)
flammeola (var.), Phalium decussatum (2) flammeolum, Phalium (5) flammeum, Buccinum (5) flammeus, Conus (10)
flammeus, Conus flammeus, Maxacteon (5) flammeus, Strombus (8) flammeus, Trochus (5)
flammiculata (var.), Clypeomorus brevis flammifera, Mesalia (13) flammifera simplex (var.), Mesalia (13) flammiferum, Phalium (5)
flammigera, Imbricaria (6) flammoides (var.), Phorcus articulatus (1) flammulata, Alcyna subangulata (3) flammulata, Chromodoris (5)
flammulata, Clavatula (2) flammulata, Doris (5) flammulata, Eatoniella (1) flammulata, Mitra (4)
flammulata, Mitromorpha (4) flammulata, Nassa (5) flammulata, Natica (8) flammulata, Nerita (9)
flammulata, Oliva flammulata (8) flammulata, Platydoris (6) flammulata, Pleurifera (1) flammulata, Rissoa
flammulata, Rissoa flammulata, Terebra (7) flammulata, Triphora (1) flammulata, Turritella (6)
flammulata, Viriola (2) flammulata (var.), Conus mediterraneus (23) flammulata (var.), Littorina saxatilis (11) flammulata (var.), Pseudostomatella coccinea
flammulata (var.), Trochus exasperatus (7) flammulata castanea (var.), Oliva flammulata (5) flammulata dolicha, Oliva (8) flammulata eridona (var.), Oliva flammulata (2)
flammulata flammulata, Oliva (8) flammulata flammulata castanea (var.), Oliva (5) flammulata flammulata eridona (var.), Oliva (2) flammulata flammulata isabellina (var.), Oliva
flammulata flammulata pallida (var.), Oliva (1) flammulata isabellina (var.), Oliva flammulata flammulata pallida (var.), Oliva flammulata (1) flammulatum, Buccinum (6)
flammulatus, Clavus (3) flammulatus, Fusinus (1) flammulatus, Jujubinus (1) flammulatus, Trochus (1)
flata, Gemmula flava, Alvania (5) flava, Cellana (7) flava, Cerithiopsis (2)
flava, Coralliophila (1) flava, Cypraea (8) flava, Diaphana (1) flava, Diversidoris (2)
flava, Doris (4) flava, Doris flava, Elysia flava, Fusceulima (1)
flava, Galeoastraea (1) flava, Galvina (3) flava, Guyonia (3) flava, Horologica (1)
flava, Littoraria (5) flava, Marginella (1) flava, Natica (1) flava, Notaeolidia
flava, Phyllidia flava, Pseudosimnia flava, Pyrene (12) flava, Terebra (11)
flava, Turritella flava (var.), Cavolinia gibbosa (1) flava (var.), Oliva elegans (2) flava (var.), Trochus depictus (4)
flava filmerae (var.), Pyrene (4) flaveola, Cassidula flaveola, Cypraea (6) flaveola, Septa (5)
flaveola (var.), Oliva oliva (5) flaveoricum, Vexillum (2) flavescens, Bembicium flavescens, Carminodoris
flavescens, Conus (14) flavescens, Conus (6) flavescens, Conus imperialis (10) flavescens, Crassispira (5)
flavescens, Cypraea (3) flavescens, Eolidia (4) flavescens, Guraleus flavescens, Haloa (2)
flavescens, Littorina (8) flavescens, Marshallopsis (1) flavescens, Mitra (5) flavescens, Onchidella
flavescens, Paraclione flavescens, Petaloconchus flavescens, Terebra (7) flavescens, Tricolia (5)
flavescens, Vexillum crocatum (2) flavescens (var.), Agaronia gibbosa (1) flavescens (var.), Buccinulum vittatum (2) flavescens (var.), Conus mediterraneus (23)
flavescens (var.), Eubranchus exiguus (4) flavescens (var.), Philbertia philberti (3) flavescens caribbaeus (var.), Conus (4) flavicans, Cymbiola (5)
flavicans, Joculator (1) flavicans kellneri (var.), Cymbiola flavicomus, Fusinus (1) flavicostata, Miamira
flavicunda (var.), Chicoreus brunneus (5) flavida, Benimakia (1) flavida, Cerithiopsis (1) flavida, Columbella (12)
flavida, Cypraea (9) flavida, Eburna (6) flavida, Fissurella (8) flavida, Frigidoalvania
flavida, Marginella (7) flavida, Separatista (2) flavida, Solariella (1) flavida (var.), Calliostoma virescens
flavida (var.), Nassa costulata (25) flavida (var.), Raphitoma corbis (2) flavida (var.), Raphitoma purpurea (8) flavida (var.), Trochus succinctus (8)
flavidocarnea (var.), Calliostoma nudum flavidula, Clathrodrillia (6) flavidula, Glossodoris flavidum, Buccinum
flavidus, Conus (10) flavidus, Eumenis (2) flavidus, Jaton (3) flavigula, Strombus (5)
flavilinea, Mitrella flavinfula, Eulimella (1) flavinota (var.), Tricolia jolyi (4) flavipes, Doris (2)
flavipunctata, Amamibalcis flavocarinata, Crassispira flavocincta, Crassispira (1) flavocincta, Eulima (7)
flavocincta, Eulimella (1) flavocinctus, Conus flavocingulata, Strigatella (5) flavofasciata, Myurella (4)
flavofusca, Mitra (4) flavolobata, Chelidonura (2) flavomacula, Elysia flavomaculata, Cadlina
flavomaculata, Leptadrillia (2) flavomaculata, Thuridilla flavomarginata, Hypselodoris flavonodosa, Crassispira (1)
flavonodulosa, Pilsbryspira flavopunctata, Splendrillia (2) flavovirens, Atys flavovirens, Clithon (4)
flavovulta, Cuthona flavulum, Tritonium flavum, Enotepteron flavum, Siphopteron (3)
flavum, Spectamen (1) flavus, Conus (5) flavus, Eubranchus flavus, Melampus (1)
flavus, Melampus (5) flavus elongatus, Bulbus flavusalbus, Conus (8) flectosiphonata, Batillaria
flemingi, Alcithoe (7) flemingi, Anatoma (1) flemingi, Austrodiaphana (1) flemingi, Kerguelenella
flemingi, Paracomitas flemingi, Rissoella (1) flemingi, Struthiolaria vermis (14) flemingi, Timbellus (1)
flemingi, Tritonia flemingi (var.), Cellana strigilis (2) flemingiana, Cemoria (6) flemingianus, Polinices (6)
flemingii, Cemoria (6) flemingii, Doris (3) flemischi, Cerithium (2) fletcherae, Olivella (4)
fletcheri (var.), Conus pergrandis (4) fleuriausi, Bouvieria flexa, Cleodora (7) flexa, Eulima
flexibilis, Akibumia flexicosta, Haedropleura (2) flexicosta, Parthenina (6) flexicosta, Pyrgiscus
flexicostae, Pyrgulina flexicostata, Acirsa flexicostata, Stilla flexicostata, Terebra (15)
flexicostata, Turricula (3) flexicostatum, Buccinulum flexicostatum, Vexillum (3) flexidentata, Anatoma (2)
flexilabris, Mitra (8) flexilis, Alvania flexilis, Bulla (1) flexipes, Diacavolinia
flexirostris, Favartia (2) flexisculpta, Ovalina flexispina, Arene (2) flexuosa, Careliopsis
flexuosa, Conomitra (1) flexuosa, Mangilia flexuosa, Melanella (1) flexuosa, Mitrella (8)
flexuosa, Neritina (1) flexuosa, Parthenina (4) flexuosa, Patella flexuosa (9) flexuosa, Philine (5)
flexuosa, Rissoina (5) flexuosa eneagona (var.), Patella flexuosa flexuosa flexuosa, Patella (9) flexuosa flexuosa eneagona (var.), Patella
flexuosum, Buccinum (25) flexuosum, Cymatium (5) flexuosus, Chicoreus (9) flexuosus, Melampus (2)
flexus, Plagiostropha flindersi, Cheilea flindersi, Cymbiola pulchra (4) flindersi, Cystiscus
flindersi, Emarginula (1) flindersi, Epideira flindersi, Haustrum (3) flindersi, Joculator
flindersi, Magelliconus (17) flindersi, Mitromorpha flindersi, Montereina flindersi, Nanula
flindersi, Naricava flindersi, Narvaliscala flindersi, Nototerebra (3) flindersi, Paradentalium
flindersi, Pervisinum (3) flindersi, Pisinna flindersi, Prothalotia (1) flindersi, Reticunassa (2)
flindersi, Tasmeuthria (2) flindersi, Vasum (7) flindersi, Xenophora (4) flindersianus, Inquisitor
flocatus, Epitonium floccata, Ethaliella (1) floccata, Marginella (6) floccata, Mitrella floccata (3)
floccata, Patella (11) floccata, Quasimitra floccata floccata, Mitrella (3) floccata hanleyi, Mitrella (5)
floccatus, Conus (6) floccatus circumsignata (var.), Conus (1) floccatus magdalenae (var.), Conus (7) floccosa, Littorina (4)
florae, Rissoella floralia, Olivella (7) florencae, Polystira (3) florenceae, Volvarina (1)
florenciae, Cadulus florens, Thorunna flores, Aegires (2) floresensis, Volvarina
floresi, Oparopsis (1) floresianus, Trophon (3) flori, Prunum florida, Ameranna (1)
florida, Dibaphimitra (6) florida, Nerita (1) florida, Turbonilla (1) florida (var.), Primovula roseomaculata (2)
florida (var.), Scaphella dohrni (2) floridana, Aclis floridana, Alabina (2) floridana, Alexania
floridana, Anachis (1) floridana, Cinguloterebra (5) floridana, Cornirostra floridana, Diaphana
floridana, Distorsio (6) floridana, Elachisina floridana, Macromphalina floridana, Mitra (4)
floridana, Mitromorpha (4) floridana, Neritina (3) floridana, Neritina (5) floridana, Onchidella
floridana, Rissoa (3) floridana, Schwartziella floridana, Seguenzia (2) floridana, Stramonita (5)
floridana, Syntomodrillia (2) floridana, Syrnola floridana, Thelecythara (1) floridana, Trivia (9)
floridana, Truncatella (2) floridana, Turritellopsis floridana, Urosalpinx (4) floridana, Vitrinella (1)
floridana attenuata (var.), Muricidea (4) floridana haysae, Stramonita (2) floridana stegeri (var.), Cinguloterebra (3) floridanum, Buccinum (5)
floridanum, Buccinum (6) floridanum, Caecum (5) floridanum, Cerithium (6) floridanum, Cymatium (3)
floridanum, Glyphepithema (4) floridanum, Morum (4) floridanus, Actaeon (3) floridanus, Conasprella (18)
floridanus, Hipponix floridanus, Melampus floridanus, Petaloconchus floridanus (var.), Cerithiopsis tubercularis
floridanus (var.), Modulus modulus (1) floridella, Doris floridense, Dentalium (1) floridensis, Cirsonella
floridensis, Ficus (4) floridensis†, Nassarius (7) floridensis, Paralepetopsis floridensis, Pyrunculus
floridensis, Tethys (7) floridicola, Doto floridula, Daphnella (3) floridula, Strigatella (6)
floridula, Strigatella aurora (6) floridulus, Conus (9) floridus, Clanculus (2) floridus, Strombus (8)
florifer, Chicoreus (8) florifer arenarius (var.), Chicoreus (7) florifer dilectus (var.), Chicoreus (7) florifer emilyae (var.), Chicoreus (6)
floris, Cranopsis (3) flormarina, Caribeginella florus, Guraleus flos, Boreotrophon (3)
flosculosus, Strombus (8) flosculus, Clanculus (4) flucki, Pilsbryspira (1) flucticulus, Agladrillia (1)
fluctifer, Conus (11) fluctifraga, Doto (1) fluctuans, Bistolida brevidentata (7) fluctuata, Anachis (5)
fluctuata, Argalista (1) fluctuata, Canalispira fluctuata, Cernina (6) fluctuata, Gibberula (2)
fluctuatus, Turbo (7) fluctuosa, Roseomitra (1) fluctuosa, Typhlomangelia fluctuosa carinosa (var.), Typhlomangelia
fluctuosum, Chlorostoma brunneum (1) fluctuosus, Turbo (7) fluentisona, Manaria (2) fluminensis, Nisiturris
fluviamaris, Conasprella (4) fluviana, Diodora (1) fluviatile, Cerithium (6) fluviatilis, Potamacmaea
fluviatilis, Theodoxus (5) fluviatilis (var.), Pirenella cingulata fluviimaris, Strigatella (4)