Order Nudibranchia

Order Nudibranchia

Order Nudibranchia (8+ superfamilies, 68+ families)

Superfamily Gnathodoridoidea (2+ families)
- Family Bathydorodidae
- Family Dorodoxidae
Superfamily Anadoroidea (9+ families)
- Family Corambidae (2+ genera)
  - Genus Corambe
  - Genus Echinocorambe
- Family Goniodorididae (6+ genera)
  - Genus Goniodoris
  - Genus Lophorodoris
  - Genus Okenia
  - Genus Ancula
  - Genus Trapania
  - Genus Bermudella
- Family Gymnodorididae (2+ genera)
  - Genus Roboastra
  - Genus Tambja
- Family Notodorididae (2+ genera)
  - Genus Aegires
  - Genus Triopella
- Family Okeniidae
- Family Onchydorididae
- Family Polyceratidae
- Family Triophidae (3+ genera)
  - Genus Crimora
  - Genus Kaloplocamus
  - Genus Plocamopherus
- Family Vayssiereidae
Superfamily Eudoridiodea (16+ families)
- Family Actinocyclidae
- Family Aldisidae (1+ genera)
  - Genus Aldisa
- Family Archidorididae (4+ genera)
  - Genus Archidoris
  - Genus Anisodoris
  - Genus Atagema
  - Genus Sclerodoris
- Family Baptodoridae
- Family Cadlinidae
- Family Chromodorididae (4+ genera)
  - Genus Chromodoris
  - Genus Cadlina
  - Genus Glossodoris
  - Genus Hypselodoris
- Family Conualeviidae
- Family Discodorididae (4+ genera)
  - Genus Discodoris
  - Genus Geitodoris
  - Genus Paradoris
  - Genus Thordisa
- Family Dorididae (2+ genera)
  - Genus Doris
  - Genus Thorybopus
- Family Geitodorididae
- Family Halgeridae
- Family Hexabranchidae
- Family Homoiodorididae
- Family Kentrodorididae (1+ genera)
  - Genus Jorunna
- Family Miamiridae
- Family Rostangidae (1+ genera)
  - Genus Rostanga
Superfamily Phyllkidioidea (4+ families)
- Family Dendrodorididae
  - Genus Dendrodoris
  - Genus Doriopsilla
- Family Iduliidae
- Family Phyllidiidae (3+ genera)
  - Genus Phyllidia
  - Genus Phyllidiopsis
  - Genus Fryeria
- Family Platydorididae (4+ genera)
  - Genus Platydoris
  - Genus Baptodoris
  - Genus Carminodoris
  - Genus Taringa
Superfamily Dendronotoidea (10+ families)
- Family Bornellidae
- Family Dendronotidae (1+ genera)
  - Genus Dendronotus
- Family Dotidae (1+ genera)
  - Genus Doto
- Family Hancockidae
- Family Lomanoitidae (1+ genera)
  - Genus Lomanotus
- Family Marianinidae
- Family Phylliroidae (2+ genera)
  - Genus Phylliroe
  - Genus Cephalopyge
- Family Scyllaeidae (1+ genera)
  - Genus Scyllaea
- Family Tethydae
- Family Tritoniidae (3+ genera)
  - Genus Tritonia
  - Genus Marionia
  - Genus Trioniopsis
Superfamily Arminoidea (4+ families)
- Family Arminidae (2+ genera)
  - Genus Armina
  - Genus Linguella
- Family Doridomorphidae
- Family Heterodoridae (1+ genera)
  - Genus Heterodoris
- Family Lemindidae
Superfamily Metarminioidea (6+ families)
- Family Charcotiidae
- Family Dironidae
- Family Goniacolidae
- Family Heroidae (1+ genera)
  - Genus Hero
- Family Madrellidae (2+ genera)
  - Genus Madrella
  - Genus Eliotia
- Family Zephyrinidae
Superfamily Eudolidiodea (17+ families)
- Family Aeolidiidae
- Family Calmidae (1+ genera)
  - Genus Calma
- Family Coryphellidae
- Family Eubranchidae (2+ genera)
  - Genus Cumanotus
  - Genus Eubranchus
- Family Facelinidae (7+ genera)
  - Genus Facelina
  - Genus Algarvia
  - Genus Caloria
  - Genus Facelinopsis
  - Genus Pruvotfolia
  - Genus Rolandia
  - Genus Antonietta
- Family Fionidae (1+ genera)
  - Genus Fiona
- Family Flabellinidae (5+ genera)
  - Genus Flabellina
  - Genus Calmella
  - Genus Coryphella
  - Genus Rioselleolis
  - Genus Paracoryphella
- Family Glaucidae (1+ genera)
  - Genus Glaucus
- Family Myrrhinidae
- Family Nossidae
- Family Notacolidiidae
- Family Paracoryphellidae
- Family Pleurolidiidae
- Family Protaeolidiellidae
- Family Pseudovermidae (1+ genera)
  - Genus Pseudovermis
- Family Spurillidae (7+ genera)
  - Genus Aeolidia
  - Genus Aeolidiella
  - Genus Baeolidia
  - Genus Berghia
  - Genus Spurilla
  - Genus Cerberilla
  - Genus Phidiana
- Family Tergipedidae