Naccula, Genus – synonym of Acmaea, Genus
Narraeolidia, Genus – synonym of Cuthona, Genus
Nassa, Genus – synonym of Nassarius, Genus
Nasseburna, Genus – synonym of Nassarius, Genus
Nassinae, Familia – synonym of Nassariidae, Familia
Navicula, Genus – synonym of Arca, Genus
Naytiopsis, Genus – synonym of Nassarius, Genus
Neaera, Genus – synonym of Cuspidaria, Genus
Nealexia, Genus – synonym of Ovatella, Genus
Necromantes, Genus – synonym of Tritonia, Genus
Nematoma, Genus – synonym of Oenopota, Genus
Neobankia, Genus – synonym of Bankia, Genus
Neoloricata, Ordo – synonym of Lepidopleurida, Ordo
Neoxylophaga, Genus – synonym of Xylophaga, Genus
Newtonia, Genus – synonym of Cerithiella, Genus
Newtoniella, Genus – synonym of Cerithiella, Genus
Nicania, Genus – synonym of Astarte, Genus
Niotha, Genus – synonym of Nassarius, Genus
Nisostomia, Genus – synonym of Odostomia, Genus
Nititurboella, Genus – synonym of Rissoa, Genus
Njurja, Genus – synonym of Cuthona, Genus
Noaetia, Genus – synonym of Arca, Genus
Nodotoma, Genus – synonym of Oenopota, Genus
Noemia, Genus – synonym of Noemiamea, Genus
Nomaeopelta, Genus – synonym of Acmaea, Genus
Notacmaea, Genus – synonym of Tectura, Genus
Notodorididae, Familia – synonym of Aegiretidae, Familia
Notovola, Genus – synonym of Pecten, Genus
Novaluna, Genus – synonym of Neomenia, Genus
Nuculocardia, Genus – synonym of Crenella, Genus
Nuculopsis, Genus – synonym of Nuculoma, Genus
Nudiola, Genus – synonym of Modiolus, Genus