Bela nebula (G. Montagu, 1803)
Bela nebula ornata É.A.A. Locard, 1897
Antiguraleus necostatus R.N. Kilburn, 1994
Agathotoma neglecta (C.B. Adams, 1852)
Eucithara nevilliana (H.B. Preston, 1904)
Bela nevropleura (FOSSIL) (G.A. Brugnone, 1862 †)
Kurtziella newcombei (W.H. Dall, 1919)
Cryoturris nexilis (FOSSIL) W.P. Woodring, 1928 †
Curtitoma neymanae I.P. Bogdanov, 1989
Neoguraleus ngatuturaensis (FOSSIL) (J.A. Bartrum & Powell,1928 †)
Pseudorhaphitoma niasensis K.H.J. Thiele, 1925
Curtitoma niigataensis I.P. Bogdanov & K. Itô,1992
Notocytharella niobe (W.H. Dall, 1919)
Mangelia nisga P. Bartsch, 1915
Perimangelia nitens (P.P. Carpenter, 1864)
Bela nitida (FOSSIL) Pavia, 1976 †
Marita nitida (C. Hedley, 1922)
Propebela nivea T.A. Okutani, 1968
Propebela nobilis (L.A. Reeve, 1842)
Pyrgocythara nodulosa A.V. Sysoev & Ivanov,1985
Gingicithara notabilis (E.A. Smith, 1888)
Eucithara novaehollandiae (L.A. Reeve, 1846)
Curtitoma novajaseljensis (W. Leche, 1878)
Curtitoma novajasemljensis (W. Leche, 1878)
Neoguraleus nukumaruensis (FOSSIL) Powell, 1942 †
Oenopota nunivakensis W.H. Dall, 1919
Mangelia nuperrima (N. Tiberi, 1855)
Fusiguraleus nutans (FOSSIL) (A.W.B. Powell, 1942 †)
Eucithara obesa (L.A. Reeve, 1846)
Oenopota obliqua (G.O. Sars, 1878)
Bela obliquigradata E.A. Smith, 1884
Oenopota obsoleta A.N. Golikov& O.A. Scarlato, 1985
Pseudorhaphitoma obturata R.N. Kilburn, 1993
Bactrocythara obtusa (FOSSIL) (R.J.L. Guppy, 1896 †)
Bela oceanica É.A.A. Locard, 1897