SPHAERORTHOCERATIDAE
4224
26 Sp, 0 Var, 5 Img
(Sea)
(FOSSIL)

SPHENIOPSIDAE
2252
17 Sp, 0 Var, 6 Img
(Sea)

SPHENOCLYMENIIDAE
3478
10 Sp, 0 Var, 3 Img
(Sea)
(FOSSIL)

SPHENODISCIDAE
3106
25 Sp, 0 Var, 6 Img
(Sea)
(FOSSIL)

SPHINCTEROCHILIDAE
5958
40 Sp, 12 Var, 29 Img
(Land)

SPHINGITIDAE
3262
9 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

SPHOOCERATIDAE
4226
2 Sp, 0 Var, 2 Img
(Sea)
(FOSSIL)

SPINILOMATIDAE
5148
29 Sp, 0 Var, 20 Img
(Sea)
(FOSSIL)

SPINULITHECIDAE
8808
5 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

SPIRAXIDAE
6084
298 Sp, 40 Var, 52 Img
(Land)

SPIROCERATIDAE
3238
8 Sp, 0 Var, 5 Img
(Sea)
(FOSSIL)

SPIROLEGOCERATIDAE
3564
14 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

SPIROSTYLIDAE
5506
15 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

SPIRULIDAE
3800
2 Sp, 0 Var, 1 Img
(Sea)

SPIRULIROSTRIDAE
3802
3 Sp, 0 Var, 2 Img
(Sea)
(FOSSIL)

SPONDYLIDAE
2688
156 Sp, 41 Var, 150 Img
(Sea)

SPORADOCERATIDAE
3598
77 Sp, 7 Var, 9 Img
(Sea)
(FOSSIL)

SPORTELLIDAE
2160
42 Sp, 0 Var, 18 Img
(Sea)

SPYROCERATIDAE
4152
58 Sp, 1 Var, 8 Img
(Sea)
(FOSSIL)

STAFFORDIIDAE
6068
3 Sp, 0 Var, 1 Img
(Land)

STEINMANELLIDAE
2367
44 Sp, 1 Var, 0 Img
(Sea)
(FOSSIL)

STEINMANNITIDAE
3296
19 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

STENOGLAPHYRITIDAE
3624
31 Sp, 0 Var, 2 Img
(Sea)
(FOSSIL)

STENOTHECIDAE
8612
32 Sp, 0 Var, 9 Img
(Sea)
(FOSSIL)

STENOTHECOIDA INCERTAE SEDIS
1300
7 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

STENOTHYRIDAE
5212
95 Sp, 8 Var, 20 Img
(Freshwater)

STEPHANITIDAE
3370
2 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

STEPHANOCERATIDAE
3240
55 Sp, 0 Var, 37 Img
(Sea)
(FOSSIL)

STEREOPLASMOCERATIDAE
4228
10 Sp, 0 Var, 7 Img
(Sea)
(FOSSIL)

STOLIDOTIDAE
2536
7 Sp, 0 Var, 4 Img
(Sea)
(FOSSIL)

STRABIDAE
2464
3 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

STRAPAROLLINIDAE
6278
25 Sp, 0 Var, 5 Img
(Sea)
(FOSSIL)

STREBLOCHONDRIIDAE
2644
41 Sp, 0 Var, 8 Img
(Sea)
(FOSSIL)

STREPSIDURIDAE
5314
43 Sp, 0 Var, 26 Img
(Sea)

STREPTACIDIDAE
6172
15 Sp, 0 Var, 2 Img
(Sea)
(FOSSIL)

STREPTACIDOIDEA UNASSIGNED)
6176
3 Sp, 0 Var, 1 Img
(Sea)
(FOSSIL)

STREPTAXIDAE
6072
591 Sp, 19 Var, 216 Img
(Land)

STRIATOSTYLIOLINIDAE
9020
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

STRICTISPIRIDAE
5290
10 Sp, 0 Var, 9 Img
(Sea)

STRIGOCERATIDAE
3148
13 Sp, 0 Var, 12 Img
(Sea)
(FOSSIL)

STROBEIDAE
5508
6 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

STROBILEPIDAE
7400
5 Sp, 0 Var, 2 Img
(Sea)
(FOSSIL)

STROBILOPSIDAE
5982
42 Sp, 6 Var, 5 Img
(Land)

STROMBIDAE
5150
225 Sp, 94 Var, 244 Img
(Sea)

STROMBOIDEA (UNASSIGNED)
5158
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

STROPHOCHEILIDAE
6078
44 Sp, 5 Var, 35 Img
(Land)

STROPHOMENIIDAE
8226
14 Sp, 0 Var, 1 Img
(Sea)