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

 
Combined Thumbnails

Actaeonidae

 

Pupa pudica

Pupa tessellata

Pupa
sp. #1
 
Bullinidae
 

Bullina lineata

Bullina rubeopunctata

Bullina vitrea

Aplustridae
 

Hydatina amplustre

Hydatina physis

Hydatina zonata

Micromelo undatum

Cylichnidae
 

Acteocina hawaiensis

Acteocina sandwicensis

Acteocina sp. #1

Acteocina sp. #2





Acteocina sp. #3

Cylichna analogia

Eocylichna braunsi

Eocylichna cf. venustula





Roxania(?) calcarea

Scaphander alatus

Scaphander pustulosus

Scaphander takedai

Retusidae
 



Retusa sp. #1

Retusa sp. #2


Diaphanidae
 

Colpodaspis thompsoni

Colpodaspis(?) sp. #1

Diaphana sp. #1

Diaphana sp. #2

Philinidae
 

Noalda(?) sp. #2

Philine orca

Philine puka

Philine rubrata





Philine sp. #3

Philine sp. #4


Gastropteridae
 

Enotepteron rosewateri

Gastropteron sp. #1

Gastropteron sp. #2

Sagaminopteron psychedelicum





Siphopteron flavum

Siphopteron pohnpei

Siphopteron quadrispinosum

Siphopteron sp. #1

Aglajidae
 

Aglaja orientalis

Aglaja regiscorona

Aglaja sp. #3

Chelidonura alisonae





Chelidonura fulvipunctata

Chelidonura hirundinina

Chelidonura(?) sp. #3

Nakamigawaia felis





Nakamigawaia sp. #1

Navanax sp. #1

Odontoglaja sp. #1

Philinopsis pilsbryi





Philinopsis speciosa

Philinopsis sp. #1


Haminoeidae
 

Aliculastrum debilis

Atys kuhnsi

Atys(?) multistriatus

Atys semistriatus





Atys(?) sp. #3

Atys sp. #5

Diniatys dentifer

Diniatys dubia





Hamineobulla(?) kawamurai

Haminoea cymbalum

Haminoea cf. natalensis

Haminoea ovalis





Haminoea sp. #1

Haminoea sp. #5

Liloa curta

Liloa cf. porcelana





Liloa sp. #2

Limulatys muscarius

Phanerophthalmus cf. albocollaris

Phanerophthalmus smaragdinus





Phanerophthalmus sp. #1

Smaragdinella calyculata

Ventomnestia bizona

un. sp. #2





un. sp. #3

un. sp. #4

un. sp. #5

un. sp. #7





un sp. #9

un. sp. #10

un. sp. #13

un. sp. #14

Runcinidae
 

Runcina sp. #1

Bullidae
 


Bulla peasiana

Bulla vernicosa

 
Limacinidae
 

Embolus inflata

Limacina bulimoides

Limacina lesueuri

Limacina trochiformis

Cavolinidae
 
no photo
available
Cavolinia gibbosa

Cavolinia globulosa

Cavolinia inflexa

Cavolinia tridentata(PNH)





Cavolinia uncinata(PNH)

Clio pyramidata

Clio recurva(PNH)

Creseis acicula




no photo
available
Creseis virgula

Cuvierina columella

Diacavolinia longirostris

Diacavolinia pacifica





Diacria costata

Diacria danae

Diacria trispinosa

Styliola subula

Cymbuliidae



Corolla spectabilis


Aplysiidae
 

Aplysia dactylomela

Aplysia juliana

Aplysia oculifera

Aplysia parvula





Aplysia pulmonica

Dolabella auricularia

Dolabrifera dolabrifera

Dolabrifera sp. #1





Notarchus indicus

Petalifera ramosa

Phyllaplysia cf. lafonti

Stylocheilus longicauda





Stylocheilus striatus

Stylocheilus(?) sp. #1



Cylindrobullidae
 

Cylindrobulla sp. #1
no photo
available
Volvatella pyriformis

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 cf. souverbii
no photo
available
Oxynoe viridis


Plakobranchidae
 

Elysia degeneri

Elysia flava


Elysia lobata


Elysia nealae





Elysia ornata

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

Plakobranchus ocellatus

Thuridilla carlsoni

Thuridilla
kathae





Thuridilla multimarginata

Thuridilla neona

Thuridilla sp. #3


Boselliidae
 

Bosellia sp. #1

Limapontiidae
 

Costasiella formicaria

Costasiella kuroshimae

Costasiella sp. #1

Ercolania cf. coerulea





Ercolania sp. #3

Ercolania sp. #7

Ercolania sp. #8

Ercolania(?) sp. #9





Placida cremoniana

Placida sp. #1

Placida sp. #2

Stiliger smaragdinus





Stiliger sp. #4

Stiliger sp. #5

Stiliger sp. #6

Stiliger sp. #10






no photo

available
Stiliger(?) sp. #11




Hermaeidae
 

Hermaea sp. #1

Caliphyllidae
 

Caliphylla sp. #1

Cyerce bourbonica

Cyerce elegans

Cyerce pavonina





Cyerce sp. #1

Polybranchia orientalis



Tylodinidae
 

Tylodina sp. #1
 
Umbraculidae
 


Umbraculum umbraculum

Umbraculum sp. #1

 
Pleurobranchidae
 

Berthella martensi

Berthella stellata

Berthella sp. #1

Berthellina delicata





Euselenops luniceps

Pleurehdera haraldi

Pleurobranchaea sp. #1

Pleurobranchella nicobarica





Pleurobranchus albiguttatus

Pleurobranchus forskalii

Pleurobranchus grandis

Pleurobranchus mamillatus





Pleurobranchus cf. peroni

un. sp. #2


 
Dorididae
 

Doris granulosa

Doris immonda

Doris nucleola

Doris pecten





Doris viridis

Doris sp. #1

Doris sp. #2


Cadlinidae
 


Aldisa pikokai

Aldisa sp. #1

 
Discodorididae
 

Asteronotus cespitosus

Atagema echinata

Atagema intecta

Atagema cf. osseosa





Atagema scabriuscula

Atagema(?) sp. #2

Atagema sp. #18

Carminodoris bifurcata





Carminodoris cf. flammea

Carminodoris grandiflora

Carminodoris sp. #2

Diaulula sp. #1





Discodoris cebuensis

Geitodoris sp. #1

Halgerda dalanghita

Halgerda cf. elegans





Halgerda paliensis

Halgerda terramtuentis

Hiatodoris fellowsi

 Jorunna alisonae





Jorunna funebris

Jorunna cf. ramicola

Montereina(?) rubra

Paradoris sp. #1





Paradoris sp. #4

Paradoris sp. #7

Platydoris formosa

Platydoris cf. inornata





Platydoris sp. #1

Platydoris sp. #2

Platydoris sp. #3

Rostanga bifurcata





Rostanga lutescens

Rostanga sp. #1

Rostanga sp. #3

Rostanga sp. #4





Sclerodoris rubicunda

Sclerodoris sp. #1

Sclerodoris sp. #2

Sebadoris fragilis




no photo
available
Sebadoris nubilosa

Tayuva lilacina

Tayuva sp. #8

Thordisa albomacula




no photo
available
Thordisa setosa

Thordisa sp. #2

Thordisa sp. #4

Thordisa sp. #5





Thordisa sp. #13

un. sp. #2

un. sp. #4

un. sp. #5





un. sp. #9

un. sp. #12

un. sp. #15


Actinocyclidae
 


Actinocyclus verrucosus

Hallaxa iju


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

Diversidoris flava

Doriprismatica atromarginata





Glossodoris rufomarginata

Goniobranchus albopunctatus

Goniobranchus albopustulosus

Goniobranchus decorus





Goniobranchus petechialis

Goniobranchus verrieri

Goniobranchus vibratus

Goniobranchus sp. #1





Goniobranchus sp. #2

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(?) sp. #3

Miamira sinuata

Noumea simplex

Noumea varians





Noumea sp. #4

Noumea
sp. #5

Thorunna daniellae

Thorunna cf. halourga





Thorunna kahuna



 
Dendrodorididae
 

Dendrodoris cf. albopurpura

Dendrodoris carbunculosa

Dendrodoris coronata

Dendrodoris denisoni





Dendrodoris elongata

Dendrodoris fumata

Dendrodoris nigra

Dendrodoris tuberculosa





Dendrodoris sp. #1

Dendrodoris sp. #6

Dendrodoris sp. #7

Doriopsilla sp. #1





Doriopsilla sp. #5



 
Phyllidiidae
 

Ceratophyllidia sp. #1

Phyllidia exquisita

Phyllidia
cf. larryi

Phyllidia polkadotsa





Phyllidia scottjohnsoni

Phyllidia varicosa

Phyllidia sp. #1

Phyllidiella pustulosa





Phyllidiella rosans

Phyllidiopsis cardinalis

Phyllidiopsis fissuratus

Phyllidiopsis loricata





Phyllidiopsis sphingis

un. sp. #1


 
Hexabranchidae
 


Hexabranchus aureomarginatus

Hexabranchus pulchellus

 
Goniodorididae
 

Goniodoridella sp. #1

Goniodoridella sp. #2

Goniodoris joubini

Goniodoris sp. #1





Okenia pellucida

Okenia rhinorma

Okenia sp. #1

Okenia sp. #2





Trapania euryeia

Trapania sp. #1


 
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
 
Polyceridae
 

Crimora lutea

Kalinga ornata

Kaloplocamus cf. dokte

Kaloplocamus ramosus





Plocamopherus ceylonicus

Plocamopherus cf. imperialis

Plocamopherus maculatus

Plocamopherus(?) sp. #1





Polycera abei

Polycera japonica

Polycera sp. #1

Polycera
sp. #3





Roboastra gracilis

Tambja amakusana

Tambja limaciformis

Tambja morosa





Tambja sagamiana

Thecacera pacifica


 
Vayssiereidae
 


Vayssierea felis

 
Uncertain Family
 


un. sp #14

un. sp #17

 
Bornellidae
 

Bornella anguilla

Bornella pele

Bornella stellifer
 
Hancockiidae
 

  Hancockia sp. #1
 
Scyllaeidae
 


Notobryon wardi

Scyllae sp. #1

 
Phylliroidae
 

Cephalopyge trematoides
 
Tethyidae
 

Melibe engeli

Melibe megaceras

Melibe pilosa

 
Dotidae
 


Doto sp. #1


Embletoniidae
 

Embletonia gracilis
 
Tritoniidae
 

Marianina rosea

Marionia hawaiiensis

Tritonia sp. #4

Tritoniopsis sp. #1





un. sp. #2



 
Arminidae
 


Dermatobranchus rubidus

Dermatobranchus sp. #1

 
Madrellidae
 

Madrella sp. #1
 
Proctonotidae
 

Janolus mirabilis

Janolus toyamensis

Janolus
sp. #1
 
Flabellinidae
 

Cumanotus(?) sp. #1

Flabellina bicolor

Flabellina exoptata

Flabellina rubrolineata





Flabellina
cf. rubropurpurata

Flabellina
sp. #1


 
Babakinidae
 

Babakina indopacifica

Eubranchidae
 

Eubranchus mandapamensis

Eubranchus
sp. #1

Eubranchus
sp. #2

Eubranchus
sp. #3





Eubranchus
sp. #4

Eubranchus
sp. #5

Eubranchus
sp. #6

Eubranchus sp. #7
 
Tergipedidae
 

Catriona sp. #1

Cuthona diminutiva

Cuthona ornata

Cuthona perca





Cuthona pinnifera

Cuthona poritophages

Cuthona sp. #1

Cuthona sp. #2





Cuthona sp. #4

Cuthona sp. #5

Cuthona sp. #6

Cuthona sp. #7





Cuthona sp. #8

Cuthona sp. #9

Cuthona sp. #10

Cuthona sp. #11





Cuthona sp. #12

Cuthona sp. #13

Cuthona sp. #15

Cuthona sp. #16 (PNH)





Cuthona sp. #18

Cuthona sp. #19

Cuthona sp. #20

Cuthona sp. #21





Fiona pinnata

Phestilla lugubris

Phestilla melanobrachia

Phestilla cf. minor





Tergipes sp. #1




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

Facelinella semidecora

Favorinus japonicus





Favorinus
mirabilis

Favorinus
sp. #1

Favorinus
sp. #2

Glaucus atlanticus





Godiva
sp. #1

Herviella mietta

Noumeaella
cf. isa

Noumeaella rehderi





Phyllodesmium poindimiei

Phyllodesmium sp. #1

Phyllodesmium
sp. #2

Pleurolidia juliae





Pteraeolidia ianthina

Sakuraeolis sp. #1

un. sp. #2

un. sp. #3





un. sp. #4



 
Aeolidiidae
 

Anteaeolidiella cf. takanosimensis

Baeolidia japonica

Baeolidia moebii

Baeolidia ransoni





Baeolidia salaamica

Bulbaeolidia alba

Bulbaeolidia sp. #1

Cerberilla affinis





Cerberilla sp. #1

Cerberilla sp. #2

Limenandra sp. #1

Limenandra sp. #2





Spurilla braziliana



 
Uncertain Family
 


un. sp. #3

un. sp. #21

 
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 velutinid addendum since, outside the Heterobranchia, they're probably the mollusks most easily mistaken for opisthobranchs.
 
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