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Non-fish Identification: Find Species

Family: Fissurellidae keyhole limpets (See list of species below)

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Total number of spines in dorsal and anal fins (optional)



203 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)
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Amblychilepas oblonga
[]
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Buchanania onchidioides
[Puff-ball snail]
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Clathrosepta becki
[]


Cornisepta antarctica
[]
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Cornisepta microphyma
[]
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Cornisepta verenae
[]
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Cranopsis asturiana
[Atlantic puncturella]
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Cranopsis billsae
[]
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Cranopsis carinifera
[]
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Cranopsis cucullata
[Hood puncturella]
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Cranopsis cumingii
[]
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Cranopsis erecta
[Erect puncturella]
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Cranopsis exquisita
[]
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Cranopsis granulata
[Granulate puncturella]
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Cranopsis multistriata
[Many-rib puncturella]
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Cranopsis verrieri
[]
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Diodora aguayoi
[]
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Diodora alta
[]
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Diodora arcuata
[Arcuate keyhole limpet]
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Diodora aspera
[Keyhole limpet]
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Diodora bermudensis
[Bermuda keyhole limpet]
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Diodora bollonsi
[]
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Diodora cayenensis
[Cayenne keyhole limpet]
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Diodora clathrata
[]
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Diodora cruciata
[]
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Diodora demartiniorum
[]
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Diodora dorsata
[]


Diodora dysoni
[Dyson's keyhole limpet]
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Diodora fargoi
[]
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Diodora fluviana
[Gulf Stream keyhole limpet]
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Diodora foveolata
[]
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Diodora fragilis
[]
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Diodora funiculata
[]


Diodora galeata
[]


Diodora gibberula
[]


Diodora graeca
[Common keyhole limpet]
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Diodora granifera
[]


Diodora inaequalis
[]
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Diodora italica
[Italian keyhole limpet]


Diodora jaumei
[Jaume's keyhole limpet]


Diodora listeri
[Lister's keyhole limpet]
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Diodora meta
[Meta keyhole limpet]


Diodora minuta
[Dwarf keyhole limpet]
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Diodora mirifica
[]


Diodora mus
[Mouse keyhole limpet]
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Diodora octagona
[]
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Diodora patagonica
[]
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Diodora producta
[]
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Diodora quadriradiata
[Radially-ribbed keyhole limpet]
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Diodora reevei
[]
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Diodora ruppellii
[Ruppell's keyhole limpet]
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Diodora sarasuae
[]
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Diodora saturnalis
[]


Diodora sayi
[Say's keyhole limpet]
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Diodora sieboldi
[]


Diodora singaporensis
[]
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Diodora tanneri
[]
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Diodora ticaonica
[]
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Diodora variegata
[Variegate keyhole limpet]
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Diodora vetula
[]
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Diodora viridula
[Green keyhole limpet]
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Diodora wetmorei
[]
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Emarginella biangulata
[]
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Emarginella eximia
[]
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Emarginella incisula
[]
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Emarginula adriatica
[]
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Emarginula alveolata
[]
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Emarginula bonfittoi
[]
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Emarginula camilla
[]
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Emarginula christiaensi
[]
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Emarginula compta
[]


Emarginula conica
[]
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Emarginula connectens
[]
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Emarginula crassa
[]
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Emarginula curvata
[]
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Emarginula dentigera
[Toothed Emarginula]
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Emarginula dilecta
[]
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Emarginula divae
[]
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Emarginula fissura
[Common slit-limpet]
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Emarginula foveolata
[]
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Emarginula hawaiiensis
[]
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Emarginula huzardii
[]
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Emarginula insura
[]
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Emarginula maculata
[]
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Emarginula montrouzieri
[]
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Emarginula multistriata
[]
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Emarginula nigromaculata
[]
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Emarginula octaviana
[Slit limpet]


Emarginula phrixodes
[Ruffled Emarginula]


Emarginula pumila
[Pygmy Emarginula]
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Emarginula punctulum
[]
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Emarginula pustula
[]
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Emarginula rosea
[]
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Emarginula sicula
[Dagger Emarginula]
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Emarginula solidula
[]
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Emarginula tenera
[]
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Emarginula tuberculosa
[Tuberculate Emarginula]
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Emarginula undulata
[]


Emarginula variegata
[]
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Emarginula velascoensis
[]
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Emarginula velascoi
[]
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Fissurella angusta
[Narrow keyhole limpet]


Fissurella barbadensis
[Barbados keyhole limpet]
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Fissurella barbouri
[]
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Fissurella coarctata
[Compressed keyhole limpet]
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Fissurella costata
[Costate keyhole limpet]
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Fissurella crassa
[Thick keyhole limpet]
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Fissurella cumingi
[]
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Fissurella emmanuelae
[]
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Fissurella fascicularis
[Wobbly keyhole limpet]
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Fissurella latimarginata
[]
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Fissurella longifissa
[]
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Fissurella maxima
[]
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Fissurella mesoatlantica
[]
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Fissurella nigra
[Key-hole limpet]


Fissurella nimbosa
[Rayed keyhole limpet]
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Fissurella nodosa
[Knobby keyhole limpet]


Fissurella nubecula
[Cloudy keyhole limpet]
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Fissurella oriens
[Small banded keyhole limpet]
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Fissurella picta
[Large banded keyhole limpet]
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Fissurella radiosa
[]
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Fissurella rosea
[Rosy keyhole limpet]
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Fissurella virescens
[]
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Fissurellidea bimaculata
[Two-spot keyhole limpet]
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Fissurellidea megatrema
[]
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Fissurellidea patagonica
[]
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Fissurisepta granulosa
[]
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Fissurisepta tenuicula
[]
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Hemimarginula subrugosa
[]


Hemitoma emarginata
[Emarginate emarginula]
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Hemitoma kirana
[]


Hemitoma octoradiata
[Eight-rib emarginula]
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Hermitoma tricarinata
[]
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Laevinesta atlantica
[Atlantic nesta]
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Lucapina adspersa
[]
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Lucapina aegis
[Shield fleshy limpet]
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Lucapina elisae
[]
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Lucapina eolis
[]
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Lucapina philippiana
[Philippi's limpet]
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Lucapina risseana
[]


Lucapina sowerbii
[Sowerby's fleshy limpet]


Lucapina suffusa
[Cancellate fleshy limpet]
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Lucapinella callomarginata
[Rim fleshy limpet]
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Lucapinella delicata
[]
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Lucapinella gigas
[]
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Lucapinella limatula
[File fleshy limpet]
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Macroschisma cuspidata
[]
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Macroschisma megatrema
[]
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Macroschisma sinense
[]
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Medusafissurella dubia
[]
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Medusafissurella melvilli
[]
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Medusafissurella salebrosa
[]


Megathura crenulata
[Giant keyhole limpet]


Montfortista panhi
[]
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Montfortula rugosa
[]
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Nesta galapagensis
[]


Parmophoridea mawsoni
[]
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Parmophoridea melvilli
[]
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Puncturella abyssicola
[]
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Puncturella acuminata
[]
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Puncturella agger
[]
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Puncturella antillana
[]
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Puncturella asturiana
[]
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Puncturella billsae
[]
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Puncturella borroi
[]
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Puncturella brychia
[]
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Puncturella circularis
[]
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Puncturella cognata
[]
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Puncturella cooperi
[]
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Puncturella expansa
[]
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Puncturella galeata
[Helmet puncturella]
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Puncturella larva
[]


Puncturella noachina
[Diluvian puncturella]
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Puncturella oxia
[]
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Puncturella parvinobilis
[]
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Puncturella pauper
[]
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Puncturella piccirida
[]
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Puncturella pileolus
[]
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Puncturella plecta
[]
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Puncturella profundi
[]
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Puncturella rimaizenaensis
[]
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Puncturella solis
[]
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Puncturella sportella
[]
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Puncturella trifolium
[]
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Rimula aequisculpta
[Webbed rimula]
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Rimula dorriae
[Coarse rimula]
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Rimula frenulata
[Bridle rimula]
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Rimula pycnonema
[Threaded rimula]
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Scutus antipodes
[]
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Scutus breviculus
[Shield shell]


Scutus unguis
[Black keyhole limpet]
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Scutus unquis
[]
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Stromboli beebei
[Stromboli keyhole limpet]
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Tugali cicatricosa
[]
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Tugali oblonga
[]
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Tugali plana
[]
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Tugali radiata
[]
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Zeidora bahamondei
[]
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Zeidora bigelowi
[Bigelow's Zeidora]
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Zeidora calceolina
[]
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Zeidora milerai
[]
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Zeidora naufraga
[]
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Zeidora neritica
[]
203 Species of Family Fissurellidae
(keyhole limpets)
Sort by: Species Length
Scientific Name English Name Distribution Max. Length (cm)
Amblychilepas oblonga Eastern Indian Ocean
Buchanania onchidioides Puff-ball snail Southeast Pacific
Clathrosepta becki Western Central Pacific
Cornisepta antarctica Antarctic Atlantic. 0.8 DL
Cornisepta microphyma Eastern Atlantic.
Cornisepta verenae Northeast Pacific
Cranopsis asturiana Atlantic puncturella Western Atlantic Ocean 2.1 DL
Cranopsis billsae Western Central Atlantic 0.35 DL
Cranopsis carinifera Western Central Pacific
Cranopsis cucullata Hood puncturella Eastern Pacific 4 SHL
Cranopsis cumingii Western Central Pacific
Cranopsis erecta Erect puncturella Western Atlantic Ocean 1.5 DL
Cranopsis exquisita Western Central Pacific
Cranopsis granulata Granulate puncturella Western Atlantic. 0.8 DL
Cranopsis multistriata Many-rib puncturella Eastern Pacific
Cranopsis verrieri Western Central Pacific
Diodora aguayoi Western Atlantic. 1.7 DL
Diodora alta Southeast Pacific
Diodora arcuata Arcuate keyhole limpet Western Atlantic. 1.2 DL
Diodora aspera Keyhole limpet Eastern Pacific and the A 7.5 TL
Diodora bermudensis Bermuda keyhole limpet Western Atlantic Ocean. 0.5 DL
Diodora bollonsi Southwest Pacific
Diodora cayenensis Cayenne keyhole limpet Atlantic Ocean. 5.1 OT
Diodora clathrata Western Central Pacific 4 SHL
Diodora cruciata Western Central Pacific
Diodora demartiniorum Mediterranean Sea.
Diodora dorsata Mediterranean Sea.
Diodora dysoni Dyson's keyhole limpet Western Atlantic. 2.2 DL
Diodora fargoi Western Atlantic. 0.86 DL
Diodora fluviana Gulf Stream keyhole limpet Western Atlantic. 1.2 DL
Diodora foveolata Eastern Central Pacific
Diodora fragilis Western Central Atlantic 2 DL
Diodora funiculata Western Indian Ocean.
Diodora galeata Western Central Pacific
Diodora gibberula Mediterranean Sea.
Diodora graeca Common keyhole limpet Mediterranean and Black S
Diodora granifera Eastern Pacific. 0.886 SHL
Diodora inaequalis Southeast Pacific
Diodora italica Italian keyhole limpet Mediterranean Sea.
Diodora jaumei Jaume's keyhole limpet Western Atlantic. 2.2 DL
Diodora listeri Lister's keyhole limpet Western Atlantic. 4.5 NG
Diodora meta Meta keyhole limpet Western Atlantic 1.6 DL
Diodora minuta Dwarf keyhole limpet Western Central Atlantic. 1.6 DL
Diodora mirifica Western Atlantic. 0.8 DL
Diodora mus Mouse keyhole limpet Western Pacific
Diodora octagona Indo-Pacific.
Diodora patagonica Western Atlantic and East 3.8 DL
Diodora producta Mediterranean Sea.
Diodora quadriradiata Radially-ribbed keyhole limpet Indo-West Pacific.
Diodora reevei Western Central Pacific
Diodora ruppellii Ruppell's keyhole limpet Indo-Pacific. Introduced
Diodora sarasuae Western Atlantic. 1.09 DL
Diodora saturnalis Southeast Pacific
Diodora sayi Say's keyhole limpet Western Atlantic. 3 DL
Diodora sieboldi Western Central Pacific
Diodora singaporensis Indo-West Pacific.
Diodora tanneri Western Atlantic. 5.8 DL
Diodora ticaonica Western Central Pacific
Diodora variegata Variegate keyhole limpet Western Central Atlantic. 1.5 DL
Diodora vetula Western Atlantic. 0.3 DL
Diodora viridula Green keyhole limpet Western Central Atlantic. 3.2 DL
Diodora wetmorei Western Atlantic 2.4 DL
Emarginella biangulata Western Pacific
Emarginella eximia Western Pacific
Emarginella incisula Indo-West Pacific
Emarginula adriatica Mediterranean Sea.
Emarginula alveolata Western Atlantic.
Emarginula bonfittoi Mediterranean Sea.
Emarginula camilla Western Indian Ocean
Emarginula christiaensi Mediterranean Sea.
Emarginula compta Western Pacific
Emarginula conica Southeast Pacific, Southw 1.6 DL
Emarginula connectens Southwest Pacific
Emarginula crassa Northeast Atlantic. 2.1 DL
Emarginula curvata Western Central Pacific
Emarginula dentigera Toothed Emarginula Western Atlantic Ocean. 0.7 DL
Emarginula dilecta Indo-Pacific.
Emarginula divae Mediterranean Sea.
Emarginula fissura Common slit-limpet Northeast Atlantic
Emarginula foveolata Western Central Pacific
Emarginula hawaiiensis Eastern Central Pacific
Emarginula huzardii Mediterranean Sea.
Emarginula insura Western Central Pacific
Emarginula maculata Western Pacific
Emarginula montrouzieri Western Central Pacific
Emarginula multistriata Mediterranean Sea.
Emarginula nigromaculata Western Central Pacific
Emarginula octaviana Slit limpet Mediterranean Sea.
Emarginula phrixodes Ruffled Emarginula Western Central Atlantic. 0.7 DL
Emarginula pumila Pygmy Emarginula Western Atlantic 1.2 DL
Emarginula punctulum Mediterranean Sea.
Emarginula pustula Mediterranean Sea.
Emarginula rosea Mediterranean Sea.
Emarginula sicula Dagger Emarginula Atlantic Ocean and the Me 1.7 DL
Emarginula solidula Mediterranean Sea.
Emarginula tenera Mediterranean Sea.
Emarginula tuberculosa Tuberculate Emarginula Southeast Pacific, Wester 1.8 DL
Emarginula undulata Western Indian Ocean
Emarginula variegata Western Pacific
Emarginula velascoensis Southeast Pacific
Emarginula velascoi Eastern Pacific 0.6 SHL
Fissurella angusta Narrow keyhole limpet Western Atlantic Ocean. 3.1 DL
Fissurella barbadensis Barbados keyhole limpet Western Atlantic. 4.1 DL
Fissurella barbouri Western Central Atlantic. 1.9 DL
Fissurella coarctata Compressed keyhole limpet Eastern Central Atlantic
Fissurella costata Costate keyhole limpet Southeast Pacific
Fissurella crassa Thick keyhole limpet Southeast Pacific
Fissurella cumingi Southeast Pacific
Fissurella emmanuelae Western Atlantic. 2.2 DL
Fissurella fascicularis Wobbly keyhole limpet Western Central Atlantic. 3.2 DL
Fissurella latimarginata Southeast Pacific
Fissurella longifissa Southeast Pacific and Wes
Fissurella maxima Southeast Pacific
Fissurella mesoatlantica Western Atlantic. 2 DL
Fissurella nigra Key-hole limpet Western Atlantic and East 7 DL
Fissurella nimbosa Rayed keyhole limpet Western Atlantic 5 DL
Fissurella nodosa Knobby keyhole limpet Western Central Atlantic. 4 DL
Fissurella nubecula Cloudy keyhole limpet Eastern Atlantic and the
Fissurella oriens Small banded keyhole limpet Western Atlantic and East 7 DL
Fissurella picta Large banded keyhole limpet Southeast Pacific and Sou 8.6 DL
Fissurella radiosa Western Atlantic and East 4.8 DL
Fissurella rosea Rosy keyhole limpet Western Atlantic. 3.5 DL
Fissurella virescens Southeast Pacific and Wes
Fissurellidea bimaculata Two-spot keyhole limpet Northeast Pacific. 2 SHL
Fissurellidea megatrema Western Atlantic. 3.2 DL
Fissurellidea patagonica Southwest Atlantic and So 2.24 SHL
Fissurisepta granulosa Mediterranean Sea.
Fissurisepta tenuicula Western Atlantic. 0.3 DL
Hemimarginula subrugosa Western Indian Ocean
Hemitoma emarginata Emarginate emarginula Western Central Atlantic. 2.55 DL
Hemitoma kirana Western Central Pacific
Hemitoma octoradiata Eight-rib emarginula Western Atlantic. 3.2 DL
Hermitoma tricarinata Western Central Pacific
Laevinesta atlantica Atlantic nesta Western Atlantic Ocean. 0.95 DL
Lucapina adspersa Western Atlantic. 1.7 DL
Lucapina aegis Shield fleshy limpet Western Atlantic. 3.6 DL
Lucapina elisae Western Atlantic. 6.05 DL
Lucapina eolis Western Central Atlantic 2.1 DL
Lucapina philippiana Philippi's limpet Western Atlantic 1.8 DL
Lucapina risseana Western Atlantic.
Lucapina sowerbii Sowerby's fleshy limpet Western Atlantic. 3 DL
Lucapina suffusa Cancellate fleshy limpet Western Atlantic 3.6 DL
Lucapinella callomarginata Rim fleshy limpet Eastern Pacific.
Lucapinella delicata Western Atlantic. 1.3 DL
Lucapinella gigas Western Atlantic. 2.7 DL
Lucapinella limatula File fleshy limpet Western Atlantic. 1.8 DL
Macroschisma cuspidata Western Pacific
Macroschisma megatrema Western Indian Ocean.
Macroschisma sinense Western Central Pacific
Medusafissurella dubia Western Indian Ocean
Medusafissurella melvilli Western Indian Ocean
Medusafissurella salebrosa Western Indian Ocean
Megathura crenulata Giant keyhole limpet Eastern Pacific 12.5 TL
Montfortista panhi Indo-West Pacific
Montfortula rugosa Indo-West Pacific
Nesta galapagensis Southeast Pacific
Parmophoridea mawsoni Atlantic Ocean and Indo-W 4 DL
Parmophoridea melvilli Western Atlantic. 2.3 DL
Puncturella abyssicola Western Atlantic. 1 DL
Puncturella acuminata Western Atlantic. 0.5 DL
Puncturella agger Western Atlantic 0.6 DL
Puncturella antillana Western Atlantic 1.3 DL
Puncturella asturiana Western Atlantic
Puncturella billsae Western Atlantic 3.5 DL
Puncturella borroi Western Atlantic 0.4 DL
Puncturella brychia Western Atlantic. 0.46 DL
Puncturella circularis Western Atlantic 0.7 DL
Puncturella cognata Southeast Pacific and Wes 0.67 DL
Puncturella cooperi Canada
Puncturella expansa Southeast Pacific
Puncturella galeata Helmet puncturella Eastern Pacific
Puncturella larva Western Atlantic. 0.3 DL
Puncturella noachina Diluvian puncturella Antarctic, Eastern Pacifi 1.2 DL
Puncturella oxia Western Atlantic. 0.4 DL
Puncturella parvinobilis Northwest Pacific
Puncturella pauper Western Atlantic 0.5 DL
Puncturella piccirida Mediterranean Sea.
Puncturella pileolus Western Pacific
Puncturella plecta Atlantic Ocean. 0.64 DL
Puncturella profundi Atlantic Ocean. 0.6 DL
Puncturella rimaizenaensis Northwest Pacific
Puncturella solis Western Central Pacific
Puncturella sportella Western Atlantic 0.45 DL
Puncturella trifolium Western Atlantic 1.4 DL
Rimula aequisculpta Webbed rimula Western Atlantic. 0.74 DL
Rimula dorriae Coarse rimula Western Central Atlantic 0.63 DL
Rimula frenulata Bridle rimula Western Atlantic. 0.8 DL
Rimula pycnonema Threaded rimula Western Central Atlantic. 0.43 DL
Scutus antipodes Eastern Indian Ocean
Scutus breviculus Shield shell Southwest Pacific
Scutus unguis Black keyhole limpet Indo-West Pacific.
Scutus unquis Western Central Pacific 4 SHL
Stromboli beebei Stromboli keyhole limpet Eastern Central Pacific
Tugali cicatricosa Eastern Indian Ocean
Tugali oblonga Eastern Central Pacific
Tugali plana Western Central Pacific
Tugali radiata Western Central Pacific
Zeidora bahamondei Southeast Pacific 0.518 SHL
Zeidora bigelowi Bigelow's Zeidora Western Central Atlantic. 0.5 DL
Zeidora calceolina Western Pacific
Zeidora milerai Western Atlantic. 0.352 DL
Zeidora naufraga Mediterranean Sea. 0.97 DL
Zeidora neritica Western Central Atlantic. 0.25 DL



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