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Acteonoidea
Cephalaspidea
Thecosomata
Gymnosomata
Anaspidea
Sacoglossa
Tylodinoidea
Pleurobrancho-
      morpha
Nudibranchia
     Doridacea
     Dendronotacea
     Arminacea
     Aeolidacea
  

 
Combined Thumbnails

Actaeonidae

 
no photo
available

Acteon virgatus

Pupa pudica

Pupa tessellata

Pupa
sp. #1

Bullinidae
 

Bullina lineata

Bullina rubeopunctata

Bullina vitrea

Bullina sp. #1

Aplustridae
 

Aplustrum amplustre

Hydatina physis

Hydatina zonata

Micromelo scriptus

Tornatinidae
 

Acteocina hawaiensis

Acteocina sandwicensis

Acteocina sp. #1

Acteocina sp. #2





Acteocina sp. #3




Cylichnidae
 

Cylichna analogia

Cylichna biplicata

Eocylichna cf. venustula
 
Scaphandridae
 

Hamineobulla kawamurai

Scaphander alatus

Scaphander pustulosus

Scaphander takedai

Alacuppidae



Mimatys fukuokaensis

Roxania(?) calcarea


Retusidae
 



Retusa sp. #1

Retusa sp. #2


Mnestiidae
 


Mnestia villica


Colinatydidae
 


Colinatys sp. #1


Diaphanidae
 


Diaphana(?) sp. #2


Philinidae
 

Philine orca

Philine pittmani

Philine puka

Philine rubrata





Philine(?) sp. #2

Philine sp. #3

Philine sp. #4

Philine sp. #5
 
Colpodaspididae
 


Colpodaspis thompsoni

Colpodaspis(?) sp. #1


Gastropteridae
 

Enotepteron rosewateri

Gastropteron minutum

Gastropteron sp. #1


Sagaminopteron pohnpei

 


Sagaminopteron psychedelicum

Siphopteron flavum

Siphopteron quadrispinosum

Siphopteron sp. #1

Aglajidae 
 

Biuve cf. fulvipunctata

Biuve sp. #4

Chelidonura alisonae

Chelidonura hirundinina





Chelidonura(?) sp. #3

Chelidonura(?) sp. #5

Chelidonura(?) sp. #6

Nakamigawaia spiralis





Nakamigawaia sp. #2

Niparaya cf. regiscorona

Noalda sp. #1

Noalda sp. #2





Odontoglaja sp. #1

Philinopsis speciosa

Spinoaglaja orientalis

Spinoaglaja(?) sp. #3





Tubulophilinopsis lineolata

Tubulophilinopsis pilsbryi

Tubulophilinopsis sp. #1

 
Haminoeidae
 

Aliculastrum debile

Atys kuhnsi

Atys semistriatus

Atys sp. #5





Diniatys dentifer

Diniatys dubius

Haloa crocata

Haloa sp. #5





Lamprohaminoea cymbalum

Lamprohaminoea cf. ovalis

Lamprohaminoea sp. #1

Liloa mongii





Liloa porcelana

Liloa(?) sp. #2

Phanerophthalmus anettae

Phanerophthalmus cf. paulayi





Phanerophthalmus perpallidus

Roxaniella pittmani

Roxaniella sp. #9

Smaragdinella calyculata





Vellicola muscarius

Vellicola sp. #13

Vellicola sp. #15

Weinkauffia ukulele





Weinkauffia sp. #10

un. sp. #2

un. sp. #3

un. sp. #4





un. sp. #5

un. sp. #14


 
Bullidae
 


Bulla peasiana

Bulla vernicosa


Runcinidae 
 


Runcina sp. #1

Runcina sp. #2


Limacinidae
 

Heliconoides inflatus

Limacina bulimoides

Limacina lesueuri

Limacina trochiformis

Cavolinidae
 
no photo
available

Cavolinia gibbosa

Cavolinia globulosa

Cavolinia inflexa

Cavolinia tridentata(PNH)





Cavolinia uncinata(PNH)

Clio cuspidata

Clio pyramidata

Clio recurva(PNH)





Creseis acicula
no photo
available

Creseis virgula

Cuvierina columnella

Diacavolinia aff. longirostris





Diacavolinia pacifica

Diacria danae

Diacria major

Diacria schmidti




no photo
available

Diacria trispinosa

Styliola subula


 
Cymbuliidae

 

Corolla ovata

Corolla spectabilis

Cymbulia sibogae

Gleba cordata

Clionidae


no photo
available

Thliptodon diaphanus


Cliopsidae
 


Cliopsis krohni


Aplysiidae
 

Aplysia argus

Aplysia elongata

Aplysia juliana

Aplysia oculifera





Aplysia reticulata

Dolabella auricularia

Dolabella sp. #1

Dolabrifera dolabrifera





Dolabrifera sp. #1

Notarchus indicus

Petalifera ramosa

Phycophila euchlora





Phyllaplysia cf. lafonti

Stylocheilus longicauda

Stylocheilus striatus

Syphonota geographica

Cylindrobullidae
 


Cylindrobulla sp. #1

Volvatella ventricosa

Volvatella vigourouxi

Juliidae
 

Berthelinia pseudochloris

Julia exquisita

Julia zebra

Julia sp. #1





Julia sp. #2

un. sp. #1

un. sp. #2


Oxynoidae
 


Lobiger viridis

Oxynoe jordani


Plakobranchidae
 

Bosellia sp. #1

Elysia degeneri

Elysia lobata

Elysia marginata





Elysia nealae

Elysia obtusa

Elysia pusilla

Elysia rufescens





Elysia tomentosa

Elysia
cf. trisinuata

Elysia
sp. #2

Elysia
sp. #4





Elysia
sp. #5

Elysia
sp. #6

Elysia
sp. #7

Elysia
sp. #9





Elysia
sp. #10

Elysia
sp. #12

Elysia sp. #13

Elysia
sp. #14





Elysia
sp. #15

Plakobranchus ocellatus

Thuridilla carlsoni

Thuridilla
kathae





Thuridilla multimarginata

Thuridilla neona

Thuridilla cf. vatae

Thuridilla sp. #3

Limapontiidae
 

Costasiella formicaria

Costasiella fridae

Costasiella kuroshimae

Costasiella sp. #1





Costasiella sp. #3

Ercolania cf. coerulea

Ercolania sp. #3

Ercolania sp. #7





Ercolania sp. #8

Ercolania(?) sp. #9

Placida barackobamai

Placida kevinleei





Placida sp. #1

Placida sp. #2

Sacoproteus cf. smaragdinus

Sacoproteus thomasleei





Sacoproteus sp. #1

Stiliger sp. #4

Stiliger sp. #6

Stiliger sp. #10






no photo

available

Stiliger(?) sp. #11

Stiliger sp. #12


 
Hermaeidae
 

Hermaea sp. #1

Caliphyllidae
 

Caliphylla sp. #1

Cyerce bourbonica

Cyerce elegans


no photo

available

Cyerce nigricans





Cyerce pavonina

Mourgona sp. #1

Mourgona sp. #2

Mourgona sp. #4





Polybranchia cf. jannae

Polybranchia jensenae

Polybranchia samanthae

un. sp. #1

Tylodinidae
 

Tylodina sp. #1
 
Umbraculidae
 

Umbraculum sp. #1

Umbraculum sp. #2

Umbraculum sp. #3
   
Pleurobranchidae
 

Berthella sp. #1

Berthellina delicata

Berthellina sp. #1

Euselenops luniceps





Pleurehdera haraldi

Pleurehdera pellucida

Pleurobranchaea sp. #1

Pleurobranchella nicobarica





Pleurobranchus forskalii

Pleurobranchus grandis

Pleurobranchus mamillatus

Pleurobranchus cf. peronii





Pleurobranchus varians

Pleurobranchus(?) sp. #1

Tomoberthella martensi

un. sp. #2





un. sp. #3



 
Dorididae
 

Doris granulosa

Doris immonda

Doris nucleola

Doris pecten





Doris viridis

Doris(?) sp. #1

Doris sp. #2


Cadlinidae
 

Aldisa pikokai

Aldisa sp. #1

Aldisa sp. #2

Discodorididae
 

Asteronotus cespitosus

Atagema echinata

Atagema intecta

Atagema cf. osseosa





Atagema scabriuscula

Atagema(?) sp. #2

Atagema sp. #3

Atagema sp. #18





Carminodoris bifurcata

Carminodoris cf. flammea

Carminodoris grandiflora

Carminodoris sp. #2





Carminodoris sp. #20

Carminodoris sp. #21

Diaulula sp. #1

Diaulula sp. #2





Discodoris cebuensis

Discodoris lilacina

Geitodoris sp. #1

Geitodoris sp. #3





Geitodoris sp. #4

Halgerda dalanghita

Halgerda paliensis

Halgerda terramtuentis






Hiatodoris fellowsi

 Jorunna alisonae

Jorunna funebris

Jorunna cf. ramicola





Otinodoris sp. #1

Paradoris sp. #1

Paradoris sp. #4

Paradoris sp. #7





Peltodoris rubra

Platydoris formosa

Platydoris cf. inornata

Platydoris sanguinea





Platydoris sp. #1

Platydoris sp. #2

Platydoris sp. #3

Rostanga bifurcata





Rostanga lutescens

Rostanga sp. #1

Sclerodoris rubicunda

Sclerodoris sp. #1





Sclerodoris sp. #2

Sebadoris fragilis
no photo
available

Sebadoris nubilosa

Thordisa albomacula





Thordisa cf. oliva

Thordisa setosa

Thordisa sp. #2

Thordisa sp. #4





Thordisa sp. #5

Thordisa sp. #13

Thordisa sp. #14

un. sp. #2





un. sp. #4

un. sp. #5

up. sp.  #8

un. sp. #12





un. sp. #15

un. sp. #17

un. sp. #18

un. sp. #19
 
Actinocyclidae
 


Actinocyclus verrucosus

Hallaxa cf. fuscescens

Hallaxa iju

Hallaxa translucens
 
Chromodorididae
 

Ardeadoris angustolutea

Ardeadoris poliahu

Ardeadoris scottjohnsoni

Ardeadoris tomsmithi





Ardeadoris sp. #2

Ardeadoris(?) sp. #4

Ceratosoma tenue

Ceratosoma(?) sp. #1





Ceratosoma sp. #2

Chromodoris aspersa
no photo
available

Chromodoris striatella

Chromodoris sp. #2





Diversidoris flava

Doriprismatica atromarginata

Glossodoris rufomarginata

Goniobranchus albopunctatus





Goniobranchus albopustulosus

Goniobranchus decorus

Goniobranchus geometricus

Goniobranchus petechialis





Goniobranchus verrieri

Goniobranchus vibratus

Goniobranchus sp. #1

Goniobranchus sp. #5





Goniobranchus(?) sp. #6

Hypselodoris alboterminata

Hypselodoris bertschi

Hypselodoris imperialis





Hypselodoris infucata

Hypselodoris insulana

Hypselodoris maridadilus

Hypselodoris paulinae





Hypselodoris peasei

Hypselodoris violabranchia

Mexichromis pusilla

Mexichromis(?) sp. #3





Miamira sinuata

Thorunna daniellae

Thorunna cf. halourga

Thorunna kahuna





Verconia simplex

Verconia varians

Verconia sp. #4

Verconia
sp. #5





Verconia sp. #6



 
Dendrodorididae
 

Dendrodoris cf. albopurpura

Dendrodoris carbunculosa

Dendrodoris coronata

Dendrodoris elongata





Dendrodoris fumata

Dendrodoris krusensternii

Dendrodoris nigra

Dendrodoris tuberculosa





Dendrodoris sp. #1

Dendrodoris sp. #6

Dendrodoris sp. #7

Dendrodoris sp. #7





Dendrodoris sp. #9

Dendrodoris sp. #10

Doriopsilla sp. #1

Doriopsilla sp. #5





Doriopsilla sp. #9

un. sp. #14


 
Phyllidiidae
 

Ceratophyllidia sp. #1

Phyllidia exquisita

Phyllidia
cf. larryi

Phyllidia polkadotsa





Phyllidia scottjohnsoni

Phyllidia varicosa

Phyllidia sp. #1

Phyllidiella cf. lizae





Phyllidiella pustulosa

Phyllidiella rosans

Phyllidiopsis cardinalis

Phyllidiopsis fissurata





Phyllidiopsis loricata

Phyllidiopsis sphingis

un. sp. #1

 
Hexabranchidae
 


Hexabranchus aureomarginatus

Hexabranchus sandwichensis

 
Goniodorididae
 

Bermudella lahainensis

Bermudella pellucida

Ceratodoris sp. #3

Murphydoris cf. cobbi





Murphydoris puncticulata

Murphydoris sp. #1

Murphydoris sp. #2

Murphydoris sp. #3





Murphydoris sp. #4

Okenia rhinorma

Okenia(?) sp. #1

Pelagella joubini





Pelagella(?) sp. #1

Trapania euryeia

Trapania palmula

Trapania sp. #1
 
Calycidorididae
 


Diaphorodoris sp. #1

 
Onchidorididae
 


Knoutsodonta cf. maugeansis

 
Aegiridae
 

Aegires exeches

Aegires lemoncello

Aegires pruvotfolae
 
Gymnodorididae
 

Gymnodoris alba

Gymnodoris bicolor

Gymnodoris citrina

Gymnodoris okinawae





Gymnodoris rubropapulosa

Gymnodoris sp. #2

Gymnodoris sp. #5

Gymnodoris sp. #6





Gymnodoris sp. #7

Gymnodoris sp. #8

Gymnodoris sp. #9

Gymnodoris sp. #10





Gymnodoris sp. #11



 
Polyceridae
 

Crimora lutea

Kalinga ornata

Kaloplocamus cf. dokte

Kaloplocamus ramosus





Kaloplocamus sp. #1

Martadoris amakusana

Martadoris limaciformis

Plocamopherus ceylonicus





Plocamopherus cf. imperialis

Plocamopherus maculatus

Plocamopherus(?) sp. #1

Polycera abei





Polycera japonica

Polycera sp. #1

Polycera
sp. #3

Roboastra gracilis





Tambja morosa

Tambja sagamiana

Thecacera pacifica

   
Vayssiereidae
 


Vayssierea felis

 
Bornellidae
 

Bornella anguilla

Bornella pele

Bornella stellifer
 
Hancockiidae
 

  Hancockia sp. #1
 
Scyllaeidae
 

Notobryon wardi

Scyllae cf. fulva

Scyllae sp. #1
 
Phylliroidae
 


Cephalopyge trematoides

Phylliroe bucephala

 
Tethyidae
 

Melibe engeli

Melibe megaceras

Melibe pilosa

Melibe
sp. #1





Melibe
sp. #2



 
Dotidae
 


Doto sp. #1

Doto sp. #2

 
Embletoniidae
 

Embletonia gracilis
 
Tritoniidae
 

Marianina rosea

Marionia hawaiiensis

Tritonia sp. #4

Tritoniopsis sp. #1





un. sp. #2



 
Arminidae
 


Dermatobranchus cf. piperoides

Dermatobranchus rubidus

 
Madrellidae
 

Madrella sp. #1
 
Proctonotidae
 

Janolus mirabilis

Janolus toyamensis

Janolus
sp. #1
 
Flabellinidae
   

Cumanotus(?) sp. #1

Flabellina exoptata

Flabellina sp. #2
 
Samlidae
 

Samla bicolor

Samla cf. rubropurpurata

Samla
sp. #1
 
Babakinidae
 

Babakina indopacifica
 
Unidentiidae
 

Unidentia sp. #1

Fionidae


Abronica sp. #4

Eubranchus mandapamensis

Eubranchus sp. #1

Eubranchus sp. #2





Eubranchus sp. #3

Eubranchus sp. #4

Eubranchus sp. #5

Eubranchus sp. #6





Eubranchus sp. #8

Fiona pinnata

Tenellia acinosa

Tenellia diminutiva





Tenellia lugubris

Tenellia melanobrachia

Tenellia cf. minor

Tenellia ornata





Tenellia perca

Tenellia pinnifera

Tenellia poritophages

Tenellia sp. #1





Tenellia sp. #2

Tenellia sp. #5

Tenellia sp. #6

Tenellia sp. #7





Tenellia sp. #8

Tenellia sp. #9

Tenellia sp. #10

Tenellia sp. #11





Tenellia sp. #12

Tenellia sp. #13

Tenellia sp. #15

Tenellia sp. #16





Tenellia sp. #19

Tenellia sp. #20

Tenellia sp. #21

Tenellia sp. #22





Tenellia sp. #23

Tenellia sp. #24

Tenellia sp. #25

Tenellia sp. #26





Tenellia sp. #27

Tenellia sp. #28

Tenellia sp. #29

Tenellia sp. #30

Facelinidae
 

Antonietta cf. janthina

Caloria indica

Caloria militaris

Caloria
sp. #1





Caloria
sp. #2

Caloria
sp. #3

Caloria
sp. #4

Cratena
sp. #1





Facelina sp. #2

Facelina
sp. #3

Facelina sp. #4

Facelinella semidecora





Favorinus japonicus

Favorinus
mirabilis

Favorinus
sp. #1

Favorinus
sp. #2





Glaucus atlanticus

Glaucus mcfarlanei

Godiva
sp. #1

Herviella mietta





Noumeaella
isa

Noumeaella rehderi

Phyllodesmium poindimiei

Phyllodesmium undulatum





Phyllodesmium sp. #1

Phyllodesmium
sp. #2

Phyllodesmium
sp. #3

Pleurolidia juliae





Pruvotfolia sp.

Pteraeolidia semperi

Sakuraeolis sp. #1

un. sp. #2





un. sp. #3

un. sp. #7

un. sp. #8

un, sp. #9





un, sp. #10

un. sp. #21


 
Aeolidiidae
  

Anteaeolidiella cacaotica

Anteaeolidiella cf. takanosimensis

Baeolidia harrietae

Baeolidia moebii





Baeolidia ransoni

Baeolidia salaamica

Baeolidia scottjohnsoni

Bulbaeolidia alba





Bulbaeolidia paulae

Cerberilla affinis

Cerberilla albopunctata

Cerberilla sp. #1





Cerberilla sp. #2

Limenandra confusa

Limenandra rosanae

Spurilla braziliana
 
Pseudovermidae
 

Pseudovermis sp. #1
 
If you are interested in related taxa that are not traditionally considered sea slugs (opisthobranchs), please see the lower heterobranch addendum and the marine pulmonate addendum. Both also include some families that have been placed in the Opisthobranchia by some authors.

Although they're not closely related to sea slugs, we've added a prosobranch addendum for Velutinids and other prosobranchs that are often mistaken for opisthobranchs.
 
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