NAEFITEUTHIDIDAE
3710
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

NAIADITIDAE
2584
21 Sp, 0 Var, 18 Img
(Freshwater)
(FOSSIL)

NAKAMURANAIADIDAE
2388
21 Sp, 0 Var, 1 Img
(Freshwater)
(FOSSIL)

NANNITIDAE
3308
3 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

NANNOLYTOCERATIDAE
3168
4 Sp, 0 Var, 3 Img
(Sea)
(FOSSIL)

NARICOPSINIDAE
5030
9 Sp, 0 Var, 4 Img
(Sea)
(FOSSIL)

NARTHECOCERATIDAE
4214
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

NASSARIIDAE
5258
1029 Sp, 261 Var, 774 Img
(Sea)

NATALISSIMIDAE
2704
1 Sp, 0 Var, 1 Img
(Sea)
(FOSSIL)

NATHORSTITIDAE
3358
15 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

NATICIDAE
5104
918 Sp, 108 Var, 578 Img
(Sea)

NATICOPSIDAE
6200
46 Sp, 1 Var, 6 Img
(Sea)
(FOSSIL)

NAUTILIDA (UNASSIGNED)
4104
10 Sp, 0 Var, 1 Img
(Sea)
(FOSSIL)

NAUTILIDAE
4094
144 Sp, 4 Var, 21 Img
(Sea)

NECROTEUTHIDIDAE
3720
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

NEILONELLIDAE
2452
52 Sp, 3 Var, 23 Img
(Sea)

NEITHEIDAE
2680
9 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

NELEGEROCORNIDAE
8836
13 Sp, 0 Var, 1 Img
(Sea)
(FOSSIL)

NEOCOMITIDAE
3184
175 Sp, 0 Var, 42 Img
(Sea)
(FOSSIL)

NEOCYCLOTIDAE
5050
210 Sp, 33 Var, 100 Img
(Land)

NEODIMORPHOCERATIDAE
3544
9 Sp, 0 Var, 2 Img
(Sea)
(FOSSIL)

NEOGASTROPODA (UNASSIGNED)
5358
23 Sp, 0 Var, 9 Img
(Sea)
(FOSSIL)

NEOGLYPHIOCERATIDAE
3552
28 Sp, 0 Var, 2 Img
(Sea)
(FOSSIL)

NEOICOCERATIDAE
3560
17 Sp, 0 Var, 1 Img
(Sea)
(FOSSIL)

NEOLEPETOPSIDAE
6288
13 Sp, 0 Var, 4 Img
(Sea)

NEOLEPTONIDAE
2234
62 Sp, 0 Var, 13 Img
(Sea)

NEOMENIIDAE
8232
19 Sp, 2 Var, 7 Img
(Sea)

NEOMIODONTIDAE
2204
8 Sp, 0 Var, 3 Img
(Sea)
(FOSSIL)

NEOMPHALIDAE
6182
15 Sp, 0 Var, 9 Img
(Sea)

NEOPHYLLOCERATIDAE
3646
14 Sp, 0 Var, 3 Img
(Sea)
(FOSSIL)

NEOPILINIDAE
7034
31 Sp, 0 Var, 12 Img
(Sea)

NEOSTACHEOCERATIDAE
3500
47 Sp, 0 Var, 1 Img
(Sea)
(FOSSIL)

NEOTEUTHIDAE
3760
4 Sp, 0 Var, 3 Img
(Sea)

NEPHRITICERATIDAE
3948
15 Sp, 0 Var, 4 Img
(Sea)
(FOSSIL)

NEPTUNOCERATIDAE
4052
2 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

NERIDOMIDAE
6202
11 Sp, 0 Var, 4 Img
(Sea)
(FOSSIL)

NERINEIDAE
6152
56 Sp, 2 Var, 48 Img
(Sea)
(FOSSIL)

NERINELLIDAE
6154
16 Sp, 0 Var, 3 Img
(Sea)
(FOSSIL)

NERITARIIDAE
6204
33 Sp, 0 Var, 6 Img
(Sea)
(FOSSIL)

NERITIDAE
6206
639 Sp, 102 Var, 379 Img
(Sea)

NERITILIIDAE
6192
33 Sp, 1 Var, 10 Img
(Sea)

NERITOPSIDAE
6222
86 Sp, 2 Var, 19 Img
(Sea)

NERRHENIDAE
6242
6 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

NEWTONIELLIDAE
5484
197 Sp, 2 Var, 68 Img
(Sea)

NIERSTRASZELLIDAE
7450
2 Sp, 0 Var, 2 Img
(Sea)

NIPPONONAIIDAE
2390
9 Sp, 0 Var, 1 Img
(Freshwater)
(FOSSIL)

NIPPONOTEUTHIDAE
3892
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)