previously placed in the Order: NUDIBRANCHIA, in the Subclass: OPISTHOBRANCHIA

Class:  Gastropoda  Cuvier, 1797
Subclass:  Heterobranchia  J.E. Gray, 1840
Infraclass:  Euthyneura  Spengel, 1881
Subterclass:  Ringipleura  Kano, Brenzinger, Nützel, Wilson & Schrödl, 2016
Superorder:  Nudipleura  Wägele & Willan, 2000
Order:  Nudibranchia  Cuvier, 1817
Suborder:  Doridina  Odhner, 1934
Infraorder:  Doridoidei  ???
Superfamily:  Chromodoridoidea  Bergh, 1891

Familiy:  Actinocyclidae  Pruvot-Fol, 1934

Actinocyclus papillatus

Hallaxa cryptica

Hallaxa iju

Hallaxa indecora

Family:  Cadlinidae  Bergh, 1891

Aldisa albatrossae	Aldisa cooperi	Aldisa pikokai	Aldisa sp. 01	Aldisa sp. 02
Aldisa sp. 07	Cadlina japonica	Cadlina luteomarginata

Family:  Chromodorididae  Bergh, 1891

Ardeadoris angustolutea	Ardeadoris averni	Ardeadoris cruenta	Ardeadoris egretta	Ardeadoris symmetrica
Ardeadoris tomsmithi	Cadlinella ornatissima	Cadlinella subornatissima	Ceratosoma bicolor	Ceratosoma gracillimum
Ceratosoma sp. 01	Ceratosoma tenue	Ceratosoma trilobatum	Chromodorididae sp. 06	Chromodorididae sp. 09
Chromodorididae sp. 15	Chromodorididae sp. 24	Chromodoris annae	Chromodoris aspersa	Chromodoris cf. colemani
Chromodoris alcalai	Chromodoris elisabethina	Chromodoris lineolata	Chromodoris magnifica	Chromodoris orientalis
Chromodoris sp. 03	Chromodoris strigata	Chromodoris willani	Diversidoris flava	Doriprismatica atromarginata
Glossodoris buko	Glossodoris acosti	Glossodoris hikuerensis	Glossodoris misakinosibogae	Glossodoris rufomarginata
Goniobranchus albonares	Goniobranchus albopunctatus	Goniobranchus aureopurpureus	Goniobranchus coi	Goniobranchus collingwoodi
Goniobranchus decorus	Goniobranchus fabulus	Goniobranchus fidelis	Goniobranchus geometricus	Goniobranchus hintuanensis
Goniobranchus kuniei	Goniobranchus leopardus	Goniobranchus preciosus	Goniobranchus reticulatus	Goniobranchus cf. reticulatus
Goniobranchus roboi	Goniobranchus rubrocornutus	Goniobranchus rufomaculatus	Goniobranchus setoensis	Goniobranchus sinensis
Goniobranchus sp. 03	Goniobranchus sp. 16	Goniobranchus sp. 23	Goniobranchus verrieri	Goniobranchus vibratus
Hypselodoris apolegma	Hypselodoris bertschi	Hypselodoris bollandi	Hypselodoris bullockii	Hypselodoris decorata
Hypselodoris emma	Hypselodoris festiva	Hypselodoris iacula	Hypselodoris infucata	Hypselodoris kaname
Hypselodoris krakatoa	Hypselodoris lacuna	Hypselodoris maculosa	Hypselodoris maritima	Hypselodoris placida
Hypselodoris purpureomaculosa	Hypselodoris sagamiensis	Hypselodoris shimodaensis	Hypselodoris skyleri	Hypselodoris tryoni
Hypselodoris whitei	Hypselodoris zephyra	Mexichromis aurora	Mexichromis macropus	Mexichromis mariei
Mexichromis cf. mariei	Mexichromis multituberculata	Mexichromis pusilla	Miamira flavicostata	Miamira miamirana
Miamira moloch	Miamira sinuata	Thorunna australis	Thorunna daniellae	Thorunna florens
Thorunna halourga	Verconia alboannulata	Verconia laboutei	Verconia nivalis	Verconia norba
Verconia purpurea	Verconia romeri	Verconia simplex	Verconia cf. simplex	Verconia sp. 02
Verconia subnivalis	Verconia varians

Family:  Showajidaiidae  Korshunova, Fletcher, Picton, Lundin, Kashio, N. Sanamyan, K. Sanamyan, Padula, Schrödl & Martynov, 2020

Showajidaia sagamiensis

Doridoidea sp. 03

Doridoidea sp. 07

Family:  Discodorididae  Bergh, 1891

Asteronotus cespitosus	Atagema intecta	Atagema spongiosa	Carminodoris armata	Carminodoris bifurcata
Discodorididae sp. 01	Discodorididae sp. 03	Discodoris boholiensis	Halgerda albocristata	Halgerda brunneomaculata
Halgerda carlsoni	Halgerda cf. carlsoni	Halgerda dalanghita	Halgerda diaphana	Halgerda tessellata
Halgerda willeyi	Halgerda sp. 05	Jorunna funebris	Jorunna pantherina	Jorunna parva
Jorunna rubescens	Paradoris sp. 01	Paradoris tsurugensis	Platydoris cinerobranchiata	Platydoris ellioti
Platydoris sp. 01	Platydoris sp. 02	Rostanga orientalis	Rostanga risbeci	Rostanga sp. 01
Sclerodoris apiculata	Sclerodoris sp. 01	Sclerodoris sp. 02	Sclerodoris sp. 04	Sclerodoris sp. 05
Tayuva lilacina

Family:  Dorididae  Rafinesque, 1815

Doriopsis granulosa

Doriopsis pecten

Doris sugashimae

Doris tricolor

Homoiodoris japonica

Superfamily:  Onchidoridoidea  J.E. Gray, 1827
Family:  Calycidorididae  Roginskaya, 1972

Diaphorodoris mitsuii

Family:  Goniodorididae  H. Adams & A. Adams, 1854

Ancula kariyana	Bermudella distincta	Bermudella japonica	Ceratodoris barnardi	Ceratodoris hiroi
Ceratodoris kondoi	Ceratodoris pilosa	Goniodoridella savignyi	Goniodoridella sp. 03	Goniodoris felis
Murphydoris adusta	Okenia babai	Okenia echinata	Okenia rhinorma	Okenia sp. 03
Okenia sp. 04	Okenia sp. 05	Okenia sp. 06	Pelagella longicornis	Pelagella joubini
Trapania euryeia	Trapania gibbera	Trapania naeva	Trapania palmula	Trapania sp. 05
Trapania sp. 20	Trapania tamaraw

Superfamily:  Phyllidioidea  Rafinesque, 1814
Family:  Dendrodorididae  O'Donoghue, 1924

Dendrodoris arborescens	Dendrodoris carbunculosa	Dendrodoris fumata	Dendrodoris guttata	Dendrodoris krusensternii
Dendrodoris nigra	Dendrodoris tuberculosa	Doriopsilla miniata	Doriopsilla sp. 01

Family:  Phyllidiidae  Rafinesque, 1814

Phyllidia coelestis	Phyllidia elegans	Phyllidia exquisita	Phyllidia goslineri	Phyllidia larryi
Phyllidia ocellata	Phyllidia picta	Phyllidia polkadotsa	Phyllidia scottjohnsoni	Phyllidia varicosa
Phyllidiella cf. annulata	Phyllidiella granulata	Phyllidiella pustulosa	Phyllidiopsis annae	Phyllidiopsis fissurata
Phyllidiopsis krempfi	Phyllidiopsis xishaensis	Reticulidia fungia

Superfamily:  Polyceroidea  Alder & Hancock, 1845
Family:  Aegiretidae  P. Fischer, 1883

Aegires exeches	Aegires flores	Aegires incusus	Aegires sp. 04	Aegires villosus
Notodoris citrina	Notodoris serenae

Family:  Gymnodorididae  Odhner, 1941

Gymnodoris alba	Gymnodoris citrina	Gymnodoris impudica	Gymnodoris inornata	Gymnodoris nigricolor
Gymnodoris okinawae	Gymnodoris cf. okinawae	Gymnodoris sp. 03	Gymnodoris sp. 04	Gymnodoris sp. 06
Gymnodoris sp. 07	Gymnodoris sp. 08	Gymnodoris sp. 10	Gymnodoris sp. 20	Gymnodoris sp. 46
Gymnodoris sp. 47	Gymnodoris striata	Gymnodoris subflava	Gymnodoris subornata	Gymnodoris tuberculosa

Family:  Hexabranchidae  Bergh, 1891

Hexabranchus sanguineus

Family:  Okadaiidae  Baba, 1930

Vayssierea felis

Vayssierea cf. felis

Family:  Polyceridae  Alder & Hancock, 1845
Subfamily: Kalinginae  Pruvot-Fol, 1956

Kalinga ornata

Subfamily:  Nembrothinae  Burn, 1967

Martadoris amakusana	Martadoris limaciformis	Nembrotha aurea	Nembrotha kubaryana	Nembrotha lineolata
Nembrotha? sp.04	Nembrotha sp. 12	Nembrotha sp. 13	Roboastra gracilis	Tambja morosa
Tambja sagamiana	Tambja sp. 04	Tambja sp. 05	Tambja verconis	Tyrannodoris luteolineata

Subfamily:  Polycerinae  Alder & Hancock, 1845

Palio amakusana	Palio sp. 01	Polycera fujitai	Polycera hedgpethi	Polycera japonica
Polycera risbeci	Polycera sp. 01	Polycera sp. 02	Polycera sp. 03	Thecacera pacifica
Thecacera pennigera	Thecacera cf. pennigera	Thecacera sp. 01

Subfamily:  Triophinae  Odhner in Franc, 1968