Order Nudibranchia
(nudibranchs)

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Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.

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  Kingdom Animalia (animals)
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  Eumetazoa (metazoans)
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  Bilateria (bilaterally symmetrical animals)
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  Protostomia (protostomes)
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  Lophotrochozoa
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  Trochozoa
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  Phylum Mollusca (mollusks)
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  Class Gastropoda (gastropods, slugs, and snails)
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  Subclass Opisthobranchia (opisthobranchs)
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  Order Nudibranchia (nudibranchs)
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  Family Actinocyclidae
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  Family Aeolidiidae
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  Family Aldisidae
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  Family Archidorididae
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  Family Arminidae
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  Family Asteronotidae
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  Family Babakinidae
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  Family Chromodorididae
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  Family Conualeviidae
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  Family Corambidae
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  Family Cumanotidae
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  Family Dendrodorididae
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  Family Dendronotidae
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  Family Dironidae
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  Family Discodorididae
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  Family Dorididae
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  Suborder Doridoidea
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  Superfamily Cryptobranchia
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  Family Calycidorididae
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  Family Halgerdidae
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  Family Hexabranchidae
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  Superfamily Gnathodoridoidea
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  Family Bathydorididae
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  Family Doridoxidae
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  Family Dotoidae
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  Suborder Eolidoidea
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  Superfamily Acleioprocta
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  Family Calmidae
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  Family Cuthonidae
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  Family Pseudovermidae
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  Superfamily Cleioprocta
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  Family Favorinidae
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  Family Myrrhinidae
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  Family Spurillidae
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  Superfamily Pleuroprocta
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  Family Coryphellidae
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  Family Notaeolidiidae
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  Family Eubranchidae
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  Family Facelinidae
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  Family Fionidae
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  Family Flabellinidae
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  Family Glaucidae
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  Family Goniodorididae
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  Family Hancockiidae
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  Family Janolidae
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  Family Kentrodorididae
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  Family Lomanotidae
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  Family Notodorididae
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  Family Onchidorididae
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  Suborder Phanerobranchia
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  Family Aegiretidae
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  Family Gymnodorididae
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  Family Polyceridae
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  Family Triophidae
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  Family Vayssiereidae
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  Family Phyllidiidae
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  Family Phylliroidae
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  Family Platydorididae
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  Family Polyceratidae
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  Suborder Porostomata
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  Superfamily Arminoidea
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  Superfamily Dendronotoidea
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  Family Aranucidae
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  Family Bornellidae
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  Family Dotidae
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  Superfamily Euarminoidea
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  Family Doridoeididae
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  Family Heterodorididae
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  Superfamily Leptognatha
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  Family Charcotiidae
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  Family Gonieolididae
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  Family Heroidae
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  Superfamily Pachygnatha
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  Family Antiopellidae
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  Family Madrellidae
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  Superfamily Rhodopoidea
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  Family Rostangidae
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  Family Scyllaeidae
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  Family Tergipedidae
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  Family Tethyidae
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  Family Tritoniidae