CADOCERATIDAE
3218
48 Sp, 0 Var, 11 Img
(Sea)
(FOSSIL)

CAECIDAE
5186
298 Sp, 32 Var, 163 Img
(Sea)

CAENOGASTROPODA (UNASSIGNED)
5512
13 Sp, 1 Var, 2 Img
(Sea)
(FOSSIL)

CALIPHYLLIDAE
5784
27 Sp, 1 Var, 15 Img
(Sea)

CALLIODENTALIIDAE
8004
4 Sp, 0 Var, 2 Img
(Sea)

CALLIOSTOMATIDAE
6424
580 Sp, 77 Var, 448 Img
(Sea)

CALLIOTROPIDAE
6398
186 Sp, 7 Var, 117 Img
(Sea)

CALLISTOPLACIDAE
7430
56 Sp, 15 Var, 26 Img
(Sea)

CALLOCHITONIDAE
7432
48 Sp, 7 Var, 22 Img
(Sea)

CALMIDAE
5694
2 Sp, 0 Var, 2 Img
(Sea)

CALOPIIDAE
5188
3 Sp, 0 Var, 0 Img
(Sea)

CALYCIDORIDIDAE
5708
1 Sp, 0 Var, 1 Img
(Sea)

CALYPTOPTOMATIDA (UNASSIGNED)
8802
2 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

CALYPTRAEIDAE
5060
252 Sp, 24 Var, 163 Img
(Sea)

CAMAENIDAE
5890
1467 Sp, 287 Var, 873 Img
(Land)

CAMBRIDIIDAE
1200
21 Sp, 0 Var, 1 Img
(Sea)
(FOSSIL)

CAMBROSCLERITIDA (UNASSIGNED)
9800
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

CAMEROTHECIDAE
8804
2 Sp, 0 Var, 2 Img
(Sea)
(FOSSIL)

CAMPANILIDAE
5372
14 Sp, 1 Var, 11 Img
(Sea)

CAMYIDAE
2740
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

CANARIELLIDAE
5941
21 Sp, 3 Var, 13 Img
(Land)

CANCELLARIIDAE
5260
822 Sp, 43 Var, 480 Img
(Sea)

CANTERBURYELLIDAE
5490
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

CAPRINIDAE
2306
18 Sp, 0 Var, 6 Img
(Sea)
(FOSSIL)

CAPRINULIDAE
2314
10 Sp, 0 Var, 6 Img
(Sea)
(FOSSIL)

CAPRINULOIDEIDAE
2308
17 Sp, 0 Var, 3 Img
(Sea)
(FOSSIL)

CAPROTINIDAE
2316
10 Sp, 0 Var, 4 Img
(Sea)
(FOSSIL)

CAPULIDAE
5064
170 Sp, 14 Var, 98 Img
(Sea)

CARBACTINOCERATIDAE
3922
21 Sp, 0 Var, 4 Img
(Sea)
(FOSSIL)

CARCASSONNELLIDAE
7012
10 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

CARDIIDA (UNASSIGNED)
2028
103 Sp, 0 Var, 2 Img
(Sea)
(FOSSIL)

CARDIIDAE
2144
788 Sp, 173 Var, 467 Img
(Sea)

CARDILIIDAE
2192
7 Sp, 0 Var, 2 Img
(Sea)

CARDINIIDAE
2030
34 Sp, 0 Var, 11 Img
(Sea)
(FOSSIL)

CARDIOCERATIDAE
3220
57 Sp, 6 Var, 41 Img
(Sea)
(FOSSIL)

CARDIOLARIIDAE
2472
14 Sp, 0 Var, 6 Img
(Sea)
(FOSSIL)

CARDIOLIDAE
2524
34 Sp, 1 Var, 13 Img
(Sea)
(FOSSIL)

CARDIOLITHIDAE
8862
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

CARDITIDAE
2032
576 Sp, 84 Var, 239 Img
(Sea)

CARINARIIDAE
5110
13 Sp, 5 Var, 10 Img
(Sea)

CARINOCLYMENIIDAE
3464
8 Sp, 0 Var, 1 Img
(Sea)
(FOSSIL)

CARINOLITHIDAE
8828
3 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

CARINOPELTIDAE
8618
7 Sp, 0 Var, 5 Img
(Sea)

CARNITIDAE
3378
1 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

CARYDIIDAE
2088
6 Sp, 0 Var, 0 Img
(Sea)
(FOSSIL)

CARYODIDAE
5858
18 Sp, 5 Var, 14 Img
(Land)

CASSIANAXIDAE
6120
1 Sp, 0 Var, 1 Img
(Sea)
(FOSSIL)