Table T6. Zonal and other key datum, Site 1211.
Event
Upper core, section, interval (cm)
Upper depth
Lower core, section, interval (cm)
Lower depth Zone Datum mean
(mcd)
(rmcd)
(mcd)
(rmcd)
OB80
M71
(mcd)
(rmcd)
LAD E. formosa 1211C-8H-7, 30–31 79.955 79.955 1211-9H-3, 100–101 80.435 80.435
CP16c

80.195 80.195
Base acme E. subdisticha 1211C-9H-4, 52–53 85.895 85.895 1211C-9H-5, 102–103 87.895 87.895
CP16b

86.895 86.895
LAD D. barbadiensis 1211C-9H-4, 52–53 85.895 85.895 1211C-9H-5, 102–103 87.895 87.895
CP16a

86.895 86.895
FAD S. predistentus 1211C-9H-5, 102–103 87.895 87.895 1211C-9H-6, 22–23 88.595 88.595



88.245 88.245
LAD D. saipanensis 1211C-9H-5, 102–103 87.895 87.895 1211C-9H-6, 22–23 88.595 88.595

NP21
88.245 88.245
LAD C. grandis 1211A-10H-1, 105–106 89.005 87.924 1211-10H-2, 133–134 90.835 89.665
CP15

89.920 88.795
FAD S. pseudoradians 1211A-10H-3, 107–108 92.025 90.945 1211-10H-4, 108–109 93.535 92.005

NP20
92.780 91.475
LAD C. dela 1211A-10H-6, 45–46 95.905 93.928 1211-10H-7, 45–46 96.905 94.878



96.405 94.403
FAD D. bisectus 1211C-10H-4, 120–121 97.195 96.045 1211C-10H-5, 0–1 97.495 96.365



97.345 96.205
FAD S. obtusus 1211C-10H-5, 0–1 97.495 96.365 1211C-10H-5, 100–101 98.495 97.345



97.995 96.855
LAD C. solitus 1211C-10H-5, 100–101 98.495 97.345 1211C-10H-6, 0–1 98.995 97.845
CP14b NP17
98.745 97.595
LAD N. fulgens 1211C-10H-5, 100–101 98.495 97.345 1211C-10H-6, 0–1 98.995 97.845



98.745 97.595
FAD R. umbilicus 1211C-10H-5, 100–101 98.495 97.345 1211C-10H-6, 0–1 98.995 97.845
CP14a

98.745 97.595
FAD D. scrippsae 1211C-10H-5, 100–101 98.495 97.345 1211C-10H-6, 0–1 98.995 97.845



98.745 97.595
LAD C. gigas 1211C-10H-5, 100–101 98.495 97.345 1211C-10H-6, 0–1 98.995 97.845
CP13c

98.745 97.595
FAD. S. furcatolithoides 1211C-10H-6, 50–51 99.495 98.345 1211-11H-2, 45–46 99.745 98.852



99.620 98.599
FAD C. gigas 1211A-11H-2, 45–46 99.745 98.852 1211-11H-3, 45–46 101.245 100.345
CP13b

100.495 99.599
LAD R. inflata 1211A-11H-2, 45–46 99.745 98.852 1211-11H-3, 45–46 101.245 100.345
CP13a

100.495 99.599
FAD S. spiniger 1211A-11H-3, 45–46 101.245 100.345 1211-11H-4, 45–46 102.745 101.834



101.995 101.090
FAD N. fulgens 1211A-11H-3, 45–46 101.245 100.345 1211-11H-4, 45–46 102.745 101.834
CP13a NP15
101.995 101.090
LAD C. crassus 1211A-11H-3, 45–46 101.245 100.345 1211-11H-4, 45–46 102.745 101.835



101.995 101.09
LAD C. cribellum 1211A-11H-4, 45–46 102.745 101.834 1211-11H-5, 45–46 104.245 103.155



103.495 102.495
FAD T. carinatus 1211B-11H-5, 45–46 106.795 105.740 1211B-11H-6, 45–46 108.295 107.141



107.545 106.441
LAD T. orthostylus 1211B-11H-7, 20–21 108.845 107.610 1211C-11H-5, 100–101 109.235 108.555

NP13
109.040 108.083
FAD R. inflata 1211C-11H-6, 50–51 110.235 109.555 1211-12H-3, 45–46 111.175 111.085
CP12b

110.705 110.32
FAD Nannotetrina sp. 1211C-11H-6, 50–51 110.235 109.555 1211-12H-3, 45–46 111.175 111.085



110.705 110.32
FAD R. dictyoda 1211A-12H-3, 45–46 111.175 111.085 1211-12H-4, 45–46 112.675 112.585



111.925 111.835
LAD L. nascens 1211A-12H-5, 45–46 114.175 113.893 1211-12H-6, 45–46 115.675 115.272



114.925 114.583
FAD D. sublodoensis 1211A-12H-6, 45–46 115.675 115.272 1211B-12H-5, 45–46 116.935 116.845
CP12a NP14
116.305 116.059
FAD C. grandis 1211A-12H-6, 45–46 115.675 115.272 1211B-12H-5, 45–46 116.935 116.845



116.305 116.059
FAD C. crassus 1211B-12H-5, 45–46 116.935 116.845 1211B-12H-6, 45–46 118.435 118.288
CP11

117.685 117.567
FAD Chiphragmalithus spp. 1211C-12H-5, 100–101 120.065 120.365 1211C-12H-6, 97–98 121.535 121.869



120.800 121.117
LAD D. multiradiatus 1211C-12H-5, 100–101 120.065 120.365 1211C-12H-6, 97–98 121.535 121.869



120.800 121.117
FAD C. cribellum 1211C-12H-6, 97–98 121.535 121.869 1211C-12H-7, 0–1 121.565 121.903



121.550 121.886
FAD S. editus 1211A-13H-4, 40–42 123.700 123.870 1211-13H-5, 102–104 125.820 125.990



124.760 124.93
FAD D. lodoensis 1211A-13H-5, 102–104 125.820 125.990 1211-13H-6, 101–103 127.160 127.276
CP10 NP12
126.490 126.633
FAD D. barbadiensis 1211A-13H-5, 102–104 125.820 125.990 1211-13H-6, 101–103 127.160 127.276



126.490 126.633
FAD S. radians 1211A-13H-5, 102–104 125.820 125.990 1211-13H-6, 101–103 127.160 127.276



126.490 126.633
FAD T. orthostylus 1211A-13H-5, 102–104 125.820 125.990 1211-13H-6, 101–103 127.160 127.276



126.490 126.633
LAD F. tympaniformis 1211A-13H-6, 1 126.150 126.320 1211-13H-6, 5 126.190 126.360



126.170 126.34
FAD D. diastypus 1211A-13H-6, 1 126.150 126.320 1211-13H-6, 5 126.190 126.360
CP9

126.170 126.34
FAD Z. bijugatus 1211A-13H-6, 10 126.240 126.410 1211-13H-6, 13 126.270 126.440



126.255 126.425
FAD C. eodela 1211C-13H-6, 0–1 131.185 130.933 1211-14H-2, 45–46 131.755 131.795
CP8b

131.470 131.364
FAD D. multiradiatus 1211A-14H-2, 45–46 131.755 131.795 1211-14H-3, 45–46 133.255 133.295
CP8a NP9
132.505 132.545
LAD H. kleinpellii 1211A-14H-4, 45–46 134.755 134.795 1211-14H-5, 45–46 136.255 136.295



135.505 135.545
FAD D. mohleri 1211A-14H-5, 45–46 136.255 136.295 1211-14H-6, 45–46 137.755 137.769
CP6

137.005 137.032
FAD H. kleinpellii 1211B-14H-4, 55–56 137.495 137.595 1211B-14H-4, 57–58 137.515 137.615
CP5 NP6
137.505 137.605
FAD S. anarrhopus 1211B-14H-4, 60–61 137.545 137.645 1211B-14H-5, 60–61 139.045 139.145



138.295 138.395
FAD F. tympaniformis 1211B-14H-6, 60–61 140.545 140.645 1211B-14H-7, 10–11 141.545 141.645
CP4 NP5
141.045 141.145
FAD Fasciculithus spp. 1211A-15H-1, 45–46 142.015 141.571 1211-15H-2, 45–46 143.515 143.085



142.765 142.328
FAD S. primus 1211A-15H-1, 45–46 142.015 141.571 1211-15H-2, 45–46 143.515 143.085



142.765 142.328
FAD C. bidens 1211A-15H-1, 45–46 142.015 141.571 1211-15H-2, 45–46 143.515 143.085



142.765 142.328
FAD E. macellus Indeterminable

Indeterminble


CP3 NP4


FAD C. danicus 1211A-15H-2, 45–46 143.515 143.085 1211-15H-3, 45–46 145.015 144.585
CP2 NP3
144.265 143.835
FAD T. pertusus 1211A-15H-2, 45–46 143.515 143.085 1211-15H-3, 45–46 145.015 144.585



144.265 143.835
FAD C. tenuis 1211A-15H-3, 45–46 145.015 144.585 1211-15H-4, 45–46 146.515 146.085
CP1b NP2
145.765 145.335
K/T Boundary 1211A-15H-4, 146 147.52 147.09



CP1a NP1
147.52 147.09

Notes: LAD = last appearance datum, FAD = first appearance datum. Bold = zonal markers or primary events. OB80 = Okada and Bukry, 1980, M71 = Martini, 1971.