Nannastacidae, Familia
Nannastacus, Genus
Nannosquillidae, Familia
Nanomia, Genus
Narcomedusae, Subclassis
Natatolana, Genus
Nausithoe, Genus
Nausithoidae, Familia
Nectopyramidinae, Subfamilia
Nectopyramis, Genus
Nematobrachion, Genus
Nematocarcinidae, Familia
Nematocarcinus, Genus
Nematoscelis, Genus
Nemopsis, Genus
Neomysis, Genus
Neotaenioglossa, Ordo
Neoturris, Genus
Nephropidae, Familia
Nephropoidea, Superfamilia
Nephrops, Genus
Nereididae, Familia
Nereidoidea, Superfamilia
Nereis, Genus
Nuda, Classis
Nudibranchia, Ordo
Nyctiphanes, Genus