# Western Atlantic Late Paleogene Foraminiferal Stable Isotope and Mg/Ca Data #----------------------------------------------------------------------- # World Data Center for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # NOTE: Please cite Publication, and Online_Resource and date accessed when using these data. # If there is no publication information, please cite Investigators, Title, and Online_Resource and date accessed. # # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/15293 # # Online_Resource: http://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/katz2011/katz2011asp5iso.txt # # Description/Documentation lines begin with # # Data lines have no # # # Archive: Paleoceanography #-------------------- # Contribution_Date # Date: 2013-10-25 #-------------------- # Title # Study_Name: Western Atlantic Late Paleogene Foraminiferal Stable Isotope and Mg/Ca Data #-------------------- # Investigators # Investigators: Katz, M.E.; Cramer, B.S.; Toggweiler, J.R.; Esmay, G.; Liu, C.; Miller, K.G.; Rosenthal, Y.; Wade, B.S.; Wright, J.D. #-------------------- # Description_and_Notes # Description: Benthic foraminifera stable isotope and Mg/Ca data from 2 western North Atlantic sediment cores from the late middle Eocene to early Oligocene (~38 to 28 million years ago) #-------------------- # Publication # Authors: Miriam E. Katz, Benjamin S. Cramer, J.R. Toggweiler, Gar Esmay, Chengjie Liu, Kenneth G. Miller, Yair Rosenthal, Bridget S. Wade, and James D. Wright # Published_Date_or_Year: 2011-05-27 # Published_Title: Impact of Antarctic Circumpolar Current Development on Late Paleogene Ocean Structure # Journal_Name: Science # Volume: 332 # Edition: # Issue: 6033 # Pages: 1076-1079 # DOI: 10.1126/science.1202122 # Online_Resource: www.sciencemag.org/cgi/content/full/332/6033/1076/DC1 # Full_Citation: # Abstract: Global cooling and the development of continental-scale Antarctic glaciation occurred in the late middle Eocene to early Oligocene (~38 to 28 million years ago), accompanied by deep-ocean reorganization attributed to gradual Antarctic Circumpolar Current (ACC) development. Our benthic foraminiferal stable isotope comparisons show that a large d13C offset developed between mid-depth (~600 meters) and deep (>1000 meters) western North Atlantic waters in the early Oligocene, indicating the development of intermediate-depth d13C and O2 minima closely linked in the modern ocean to northward incursion of Antarctic Intermediate Water. At the same time, the ocean's coldest waters became restricted to south of the ACC, probably forming a bottom-ocean layer, as in the modern ocean. We show that the modern four-layer ocean structure (surface, intermediate, deep, and bottom waters) developed during the early Oligocene as a consequence of the ACC. #------------------ # Funding_Agency # Funding_Agency_Name: US National Science Foundation # Grant: OCE 06-23256, OCE 09-28607, EAR03-07112, EAR05-06720 #------------------ # Site_Information # Site_Name: ASP-5 # Location: Ocean>Atlantic Ocean>North Atlantic Ocean # Country: # Northernmost_Latitude: 33.1333 # Southernmost_Latitude: 33.1333 # Easternmost_Longitude: -77.25 # Westernmost_Longitude: -77.25 # Elevation: m #------------------ # Data_Collection # Collection_Name: ASP-5-2011iso # Earliest_Year: 38065000 # Most_Recent_Year: 22795000 # Time_Unit: Cal. Year BP # Core_Length: m # Notes: #------------------ # Chronology: # # # # #---------------- # Variables # # Data variables follow (have no #) # Data line variables format: Variables list, one per line, shortname-tab-longname-tab-longname components (9 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data) # Table S1. ASP-5 stable isotope analyses ## depth_m depth, , , mbsf, , , , ,N ## age_calmaBP age, , , calendar years before present, , , , ,N ## d18Oforams-b delta O18, Benthic Foraminifers, , per mil PDB, , , , ,N ## d13Cforams-b delta C13, Benthic Foraminifers, , per mil PDB, , , , ,N ## notes notes - taxa analyzed, , , , , , , ,N #---------------- # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing Values: depth_m age_calmaBP d18Oforams-b d13Cforams-b notes 69.39 22.795 0.71 0.65 Cibicidoides pachyderma 70.18 22.841 0.59 0.83 Cibicidoides pachyderma 70.94 22.885 0.33 0.16 Cibicidoides pachyderma 71.64 22.925 0.37 0.21 Cibicidoides pachyderma 72.31 22.964 0.63 0.49 Cibicidoides pachyderma 73.03 23.005 0.41 0.26 Cibicidoides pachyderma 74.75 23.105 0.50 0.45 Cibicidoides pachyderma 74.75 23.105 0.44 0.31 Cibicidoides praemundulus 75.51 23.149 0.40 0.41 Cibicidoides praemundulus 75.51 23.149 0.38 0.43 Cibicidoides pachyderma 75.89 23.171 0.53 0.51 Cibicidoides pachyderma 76.15 23.186 0.49 0.43 Cibicidoides pachyderma 76.96 23.232 0.15 0.11 Cibicidoides pachyderma 77.90 23.287 0.18 0.05 Cibicidoides pachyderma 80.31 23.426 0.54 0.49 Cibicidoides pachyderma 80.85 23.457 0.49 0.21 Cibicidoides pachyderma 81.53 23.496 0.56 0.36 Cibicidoides pachyderma 81.79 23.511 0.56 0.46 Cibicidoides pachyderma 82.47 23.551 0.47 0.56 Cibicidoides pachyderma 83.29 23.598 0.45 0.50 Cibicidoides pachyderma 83.44 23.607 0.44 0.51 Cibicidoides pachyderma 84.02 23.640 0.54 0.60 Cibicidoides pachyderma 84.43 23.664 0.49 0.40 Cibicidoides pachyderma 84.99 23.696 0.54 0.50 Cibicidoides pachyderma 85.27 23.712 0.45 0.55 Cibicidoides pachyderma 85.40 23.720 0.39 0.38 Cibicidoides pachyderma 85.68 23.736 0.24 0.30 Cibicidoides pachyderma 86.67 23.793 0.46 0.43 Cibicidoides pachyderma 89.31 23.946 0.76 -0.02 Cibicidoides pachyderma 89.84 23.976 0.35 -0.22 Cibicidoides pachyderma 90.06 23.989 0.12 -0.06 Cibicidoides pachyderma 90.27 24.001 0.51 0.17 Cibicidoides pachyderma 90.26 24.001 0.74 -0.14 Cibicidoides praemundulus/C. crebbsi 90.26 24.001 0.71 -0.01 Cibicidoides pachyderma 91.06 24.047 0.20 -0.25 Cibicidoides praemundulus/C. crebbsi 91.06 24.047 0.14 -0.09 Cibicidoides pachyderma 93.47 24.186 0.16 -0.21 Cibicidoides pachyderma 94.34 24.236 0.25 -0.20 Cibicidoides praemundulus/C. crebbsi 94.72 24.258 0.35 0.00 Cibicidoides praemundulus/C. crebbsi 99.44 24.531 0.12 -0.49 Cibicidoides praemundulus/C. crebbsi 99.44 24.531 0.32 -0.18 Cibicidoides praemundulus/C. crebbsi 100.20 24.575 -0.12 -0.33 Cibicidoides praemundulus/C. crebbsi 100.20 24.575 0.22 -0.05 Cibicidoides praemundulus/C. crebbsi 101.09 24.626 0.27 -0.46 Cibicidoides praemundulus 101.88 24.672 0.19 -0.13 Cibicidoides praemundulus 101.88 24.672 0.18 -0.15 Cibicidoides pachyderma 102.62 24.715 0.25 -0.47 Cibicidoides praemundulus/C. bradyi 103.86 24.786 0.43 -0.41 Cibicidoides praemundulus/C. crebbsi 105.05 24.855 0.36 -0.21 Cibicidoides praemundulus 105.99 24.909 0.31 -0.05 Cibicidoides praemundulus/C. crebbsi 107.49 24.996 0.44 -0.13 Cibicidoides praemundulus/C. crebbsi 108.43 25.050 0.38 -0.08 Cibicidoides praemundulus/C. crebbsi 108.43 25.050 0.45 0.30 Cibicidoides pachyderma 108.74 25.068 -0.02 -0.35 Cibicidoides pachyderma 113.42 25.339 0.61 -0.44 Cibicidoides cicatricosus 114.38 25.394 0.54 -0.59 Cibicidoides cicatricosus 115.11 25.436 0.63 -0.44 Cibicidoides cicatricosus 117.55 25.577 0.58 -0.31 Cibicidoides cicatricosus 117.88 25.596 0.48 -0.38 Cibicidoides cicatricosus 118.03 25.605 0.50 -0.29 Cibicidoides praemundulus 118.98 25.660 0.47 -0.20 Cibicidoides praemundulus 119.71 25.702 0.50 -0.31 Cibicidoides praemundulus 120.63 25.755 0.51 -0.24 Cibicidoides praemundulus 121.62 25.812 0.51 -0.25 Cibicidoides praemundulus 122.43 25.859 0.39 -0.71 Cibicidoides praemundulus 123.22 25.901 0.42 0.07 Cibicidoides pachyderma 124.89 25.921 0.44 -0.26 Cibicidoides pachyderma 126.42 25.940 0.42 0.15 Cibicidoides pachyderma/C. praemundulus/C. crebbsi 127.33 25.951 0.38 -0.44 Cibicidoides praemundulus 127.64 25.955 0.22 -0.42 Cibicidoides pachyderma 127.79 25.957 0.30 -0.60 Cibicidoides pachyderma 128.70 25.968 0.26 -0.29 Cibicidoides cicatricosus 129.49 25.978 0.55 -0.41 Cibicidoides cicatricosus 131.14 25.998 0.19 -0.78 Cibicidoides cicatricosus 132.21 26.011 0.57 -0.45 Cibicidoides cicatricosus 132.66 26.017 0.55 -0.39 Cibicidoides praemundulus 132.66 26.017 0.44 -0.29 Cibicidoides cicatricosus 133.43 26.026 0.57 -0.21 Cibicidoides praemundulus 134.32 26.037 0.38 -0.37 Cibicidoides praemundulus 135.10 26.047 0.57 -0.32 Cibicidoides praemundulus 135.86 26.056 0.46 -0.21 Cibicidoides praemundulus 136.02 26.058 0.61 -0.28 Cibicidoides praemundulus 137.08 26.071 0.64 -0.27 Cibicidoides praemundulus 137.24 26.073 0.59 -0.31 Cibicidoides praemundulus 138.15 26.084 0.55 -0.28 Cibicidoides praemundulus 138.93 26.094 0.49 -0.35 Cibicidoides praemundulus 139.67 26.103 0.56 -0.34 Cibicidoides praemundulus 140.41 26.112 0.41 -0.30 Cibicidoides praemundulus 140.59 26.114 0.47 -0.23 Cibicidoides praemundulus 141.66 26.127 0.46 -0.21 Cibicidoides praemundulus 142.11 26.133 0.50 -0.12 Cibicidoides praemundulus 143.03 26.144 0.51 -0.30 Cibicidoides praemundulus 143.76 26.153 0.57 -0.35 Cibicidoides praemundulus 144.55 26.163 0.58 -0.15 Cibicidoides praemundulus 145.33 26.172 0.57 -0.29 Cibicidoides praemundulus 145.47 26.174 0.61 -0.31 Cibicidoides cicatricosus 146.20 26.183 0.55 -0.14 Cibicidoides cicatricosus 146.53 26.187 0.45 -0.42 Cibicidoides cicatricosus 146.69 26.189 0.45 -0.48 Cibicidoides cicatricosus 147.60 26.200 0.27 -0.56 Cibicidoides cicatricosus 148.35 26.209 0.45 -0.57 Cibicidoides cicatricosus 149.12 26.219 0.49 -0.51 Cibicidoides cicatricosus 149.89 26.228 0.51 -0.50 Cibicidoides cicatricosus 150.62 26.237 0.36 -0.88 Cibicidoides cicatricosus 150.62 26.237 0.41 -0.36 Cibicidoides praemundulus 151.26 26.245 0.38 -0.35 Cibicidoides praemundulus 152.02 26.254 0.42 -0.36 Cibicidoides praemundulus 152.17 26.256 0.43 -0.35 Cibicidoides praemundulus 152.93 26.265 0.51 -0.31 Cibicidoides praemundulus 153.70 26.275 0.48 -0.40 Cibicidoides praemundulus 154.61 26.286 0.38 -0.37 Cibicidoides praemundulus 155.65 26.299 0.44 -0.42 Cibicidoides praemundulus 156.90 26.314 0.44 -0.20 Cibicidoides cicatricosus 156.90 26.314 0.79 -0.09 Cibicidoides praemundulus 157.78 26.325 0.54 -0.29 Cibicidoides cicatricosus 158.57 26.335 0.69 -0.01 Cibicidoides cicatricosus 159.33 26.344 0.49 -0.19 Cibicidoides cicatricosus 160.22 26.355 0.38 -0.23 Cibicidoides praemundulus 160.55 26.359 0.65 -0.13 Cibicidoides praemundulus 161.01 26.364 0.56 -0.27 Cibicidoides praemundulus 161.82 26.374 0.57 -0.11 Cibicidoides praemundulus 163.45 26.394 0.68 -0.27 Cibicidoides praemundulus 164.06 26.402 0.69 -0.38 Cibicidoides pachyderma 164.06 26.402 0.65 -0.38 Cibicidoides praemundulus 166.34 26.430 0.64 0.07 Cibicidoides pachyderma 167.26 26.441 0.47 -0.24 Cibicidoides pachyderma 167.26 26.441 0.54 -0.20 Cibicidoides cicatricosus 168.02 26.450 0.45 -0.43 Cibicidoides cicatricosus 168.02 26.450 0.53 -0.18 Cibicidoides pachyderma 168.78 26.460 0.48 -0.41 Cibicidoides cicatricosus 169.70 26.471 0.39 -0.29 Cibicidoides cicatricosus 170.00 26.475 0.45 -0.65 Cibicidoides cicatricosus 170.56 26.482 0.63 -0.68 Cibicidoides praemundulus 171.22 26.490 0.67 -0.43 Cibicidoides praemundulus/C. cicatricosus 172.14 26.501 0.68 -0.30 Cibicidoides cicatricosus 172.90 26.510 0.66 -0.11 Cibicidoides cicatricosus 173.66 26.520 0.66 -0.21 Cibicidoides praemundulus 173.81 26.521 0.87 -0.11 Cibicidoides cicatricosus 174.88 26.535 0.91 -0.54 Cibicidoides cicatricosus 175.03 26.536 1.18 -0.70 Cibicidoides cicatricosus 175.03 26.536 1.09 -0.58 Cibicidoides praemundulus 175.77 26.545 0.80 -0.47 Cibicidoides cicatricosus 177.47 26.566 0.86 -0.58 Cibicidoides cicatricosus 178.23 26.576 0.79 -0.40 Cibicidoides cicatricosus 178.38 26.577 0.64 -0.43 Cibicidoides cicatricosus 178.99 26.585 0.83 -0.33 Cibicidoides cicatricosus 179.43 26.590 0.67 -0.68 Cibicidoides cicatricosus 179.76 26.594 0.66 -0.57 Cibicidoides cicatricosus 179.91 26.596 0.51 -0.40 Cibicidoides cicatricosus 180.67 26.606 0.48 -0.60 Cibicidoides cicatricosus 182.21 26.624 0.49 -0.52 Cibicidoides cicatricosus 182.35 26.626 0.50 -0.37 Cibicidoides cicatricosus 183.57 26.641 0.48 -0.63 Cibicidoides pachyderma 184.33 26.650 0.78 -0.27 Cibicidoides pachyderma 184.48 26.652 0.49 -0.04 Cibicidoides pachyderma 184.63 26.654 0.58 -0.38 Cibicidoides pachyderma 185.19 26.661 0.90 -0.10 Cibicidoides pachyderma 185.24 26.662 0.75 0.00 Cibicidoides pachyderma 186.00 26.671 0.55 -0.52 Cibicidoides cicatricosus 186.16 26.673 0.74 -0.25 Cibicidoides cicatricosus 187.07 26.684 0.64 0.14 Cibicidoides pachyderma 187.07 26.684 0.70 0.03 Cibicidoides cicatricosus 187.83 26.693 0.59 -0.17 Cibicidoides pachyderma 187.83 26.693 0.79 -0.17 Cibicidoides cicatricosus 187.99 26.695 0.80 -0.06 Cibicidoides cicatricosus 187.99 26.695 0.78 0.11 Cibicidoides pachyderma 188.44 26.701 0.65 -0.08 Cibicidoides pachyderma 188.60 26.713 0.82 -0.36 Cibicidoides praemundulus/C. cicatricosus 190.12 26.799 0.70 -0.11 Cibicidoides pachyderma 191.03 26.851 0.82 -0.40 Cibicidoides praemundulus/C. cicatricosus 191.81 26.895 0.61 -0.35 Cibicidoides praemundulus 192.01 26.907 0.81 -0.30 Cibicidoides praemundulus 192.84 26.954 0.71 -0.70 Cibicidoides praemundulus 193.01 26.963 0.88 -0.26 Cibicidoides praemundulus 193.17 26.973 0.96 -0.22 Cibicidoides praemundulus 193.75 27.005 0.90 -0.31 Cibicidoides praemundulus 194.08 27.024 0.80 -0.51 Cibicidoides praemundulus 194.69 27.059 0.96 -0.42 Cibicidoides praemundulus 195.61 27.111 0.93 -0.35 Cibicidoides praemundulus 196.52 27.163 0.77 -0.44 Cibicidoides praemundulus 197.28 27.206 0.88 -0.40 Cibicidoides praemundulus 197.46 27.216 0.86 -0.23 Cibicidoides praemundulus 197.89 27.241 0.79 -0.67 Cibicidoides cicatricosus 198.04 27.249 0.87 -0.59 Cibicidoides praemundulus 198.96 27.301 0.99 -0.50 Cibicidoides praemundulus 199.57 27.336 0.94 -0.30 Cibicidoides praemundulus 200.33 27.379 0.49 -0.49 Cibicidoides praemundulus 201.07 27.421 0.78 -0.02 Cibicidoides praemundulus 201.88 27.467 0.80 -0.65 Cibicidoides praemundulus 202.77 27.518 1.01 -0.99 Cibicidoides praemundulus 202.92 27.526 0.95 -0.65 Cibicidoides praemundulus 203.50 27.559 1.25 -0.78 Cibicidoides praemundulus 203.84 27.578 1.20 -0.74 Cibicidoides praemundulus 204.44 27.612 0.90 -0.88 Cibicidoides praemundulus 205.36 27.665 0.68 -0.62 Cibicidoides praemundulus 206.27 27.716 0.75 -0.93 Cibicidoides praemundulus 206.93 27.754 0.72 -0.68 Cibicidoides praemundulus 207.65 27.795 0.56 -0.71 Cibicidoides praemundulus 207.80 27.803 0.60 -0.82 Cibicidoides praemundulus 208.31 27.832 0.47 -0.81 Cibicidoides praemundulus 209.30 27.888 0.94 -0.76 Cibicidoides praemundulus 210.08 27.933 0.67 -0.76 Cibicidoides praemundulus 210.24 27.942 0.78 -0.58 Cibicidoides praemundulus 210.82 27.975 0.52 -0.59 Cibicidoides praemundulus 211.11 27.991 0.64 -0.59 Cibicidoides praemundulus 211.58 28.018 0.65 -0.40 Cibicidoides praemundulus 212.22 28.054 0.63 -0.94 Cibicidoides praemundulus 212.37 28.063 0.74 -0.70 Cibicidoides praemundulus 212.98 28.097 0.70 -0.17 Cibicidoides pachyderma 213.28 28.114 0.54 -0.85 Cibicidoides praemundulus 213.89 28.149 0.66 -1.17 Cibicidoides praemundulus 214.66 28.193 0.66 -1.31 Cibicidoides praemundulus 214.81 28.201 0.63 -0.96 Cibicidoides praemundulus 215.42 28.236 0.61 -0.84 Cibicidoides cicatricosus 215.72 28.253 0.71 -0.79 Cibicidoides praemundulus 216.33 28.288 0.69 -1.03 Cibicidoides praemundulus 216.48 28.296 0.95 -0.70 Cibicidoides praemundulus 216.64 28.305 0.80 -0.61 Cibicidoides praemundulus 217.53 28.356 0.66 -1.08 Cibicidoides praemundulus 217.86 28.375 0.58 -0.74 Cibicidoides praemundulus/C. crebbsi 219.23 28.452 1.28 -0.30 Cibicidoides praemundulus 219.38 28.461 1.05 -0.53 Cibicidoides praemundulus 219.99 28.495 0.77 -0.62 Cibicidoides praemundulus/C. crebbsi 220.29 28.512 1.29 -0.50 Cibicidoides praemundulus 220.88 28.546 1.14 -0.59 Cibicidoides praemundulus 221.06 28.556 0.39 -1.03 Cibicidoides praemundulus 221.21 28.565 0.71 -0.76 Cibicidoides praemundulus 221.67 28.591 0.49 -1.00 Cibicidoides praemundulus 221.82 28.599 0.48 -0.91 Cibicidoides praemundulus 222.38 28.631 0.36 -0.96 Cibicidoides praemundulus 222.77 28.653 0.64 -0.47 Cibicidoides praemundulus 223.34 28.686 0.74 -0.45 Cibicidoides praemundulus 224.24 28.737 0.67 -0.61 Cibicidoides praemundulus 225.15 28.788 0.70 -0.76 Cibicidoides praemundulus 225.89 28.830 0.56 -0.91 Cibicidoides praemundulus 226.03 28.838 0.64 -0.49 Cibicidoides pachyderma/C. praemundulus/C. eocaenus 226.54 28.867 0.57 -1.20 Cibicidoides praemundulus 226.64 28.873 0.67 -1.00 Cibicidoides praemundulus 227.46 28.920 0.75 -0.69 Cibicidoides praemundulus 227.58 28.926 0.56 -0.51 Cibicidoides praemundulus 228.19 28.961 0.63 -0.17 Cibicidoides pachyderma 228.19 28.961 0.63 -0.70 Cibicidoides praemundulus 229.13 29.014 0.70 -0.54 Cibicidoides praemundulus 229.27 29.022 0.52 -0.53 Cibicidoides pachyderma 229.87 29.056 0.73 -0.32 Cibicidoides pachyderma 229.87 29.056 0.69 -0.08 Cibicidoides praemundulus 230.19 29.075 0.59 -0.36 Cibicidoides pachyderma 230.19 29.075 0.35 -0.90 Cibicidoides praemundulus 231.11 29.127 0.45 -0.82 Cibicidoides praemundulus 231.25 29.135 0.30 -0.84 Cibicidoides pachyderma 232.03 29.179 0.87 -0.04 Cibicidoides pachyderma 232.16 29.186 0.80 -0.75 Cibicidoides praemundulus 232.79 29.222 0.47 -0.42 Cibicidoides pachyderma 232.79 29.222 0.73 0.03 Cibicidoides mexicanus 232.79 29.222 0.59 -0.48 Cibicidoides praemundulus 233.55 29.265 0.76 -0.01 Cibicidoides praemundulus 233.72 29.275 0.45 -0.61 Cibicidoides praemundulus/C. crebbsi 234.54 29.322 0.50 -0.02 Cibicidoides pachyderma 234.75 29.334 0.89 0.06 Cibicidoides praemundulus 235.99 29.415 1.36 -0.42 Cibicidoides praemundulus 235.99 29.415 0.70 -0.09 Cibicidoides pachyderma 236.17 29.455 0.59 -0.31 Cibicidoides pachyderma 237.06 29.651 0.52 -0.67 Cibicidoides praemundulus 238.54 29.978 0.22 -0.61 Cibicidoides pachyderma 239.47 30.183 0.25 -0.95 Cibicidoides aff. praemundulus 239.83 30.262 0.57 -0.09 Cibicidoides pachyderma 240.75 30.465 0.96 0.08 Cibicidoides praemundulus 241.66 30.666 1.02 0.21 Cibicidoides praemundulus 243.05 30.972 0.96 0.14 Cibicidoides praemundulus 245.44 31.499 0.83 0.58 Cibicidoides mexicanus 245.44 31.499 0.84 0.22 Cibicidoides praemundulus 245.62 31.539 0.30 0.60 Cibicidoides mexicanus 245.62 31.539 0.38 -0.02 Cibicidoides praemundulus/C. crebbsi 245.62 31.539 0.26 0.43 Cibicidoides mexicanus 246.35 31.700 0.82 0.54 Cibicidoides mexicanus 246.52 31.737 1.03 0.52 Cibicidoides mexicanus 246.52 31.737 0.94 0.52 Cibicidoides pachyderma 248.08 32.081 1.05 1.02 Cibicidoides mexicanus 248.83 32.247 0.24 0.43 Cibicidoides mexicanus 248.83 32.247 0.38 0.88 Cibicidoides mexicanus 248.95 32.273 1.06 1.37 Cibicidoides mexicanus 250.32 32.575 1.31 1.22 Cibicidoides mexicanus 250.44 32.602 0.72 1.09 Cibicidoides mexicanus 251.02 32.730 0.12 0.81 Cibicidoides mexicanus 251.02 32.730 0.42 0.98 Cibicidoides mexicanus 251.31 32.794 0.64 1.33 Cibicidoides mexicanus 251.98 32.941 0.86 1.36 Cibicidoides mexicanus 252.87 33.138 1.00 1.35 Cibicidoides mexicanus 253.67 33.314 0.59 1.21 Cibicidoides mexicanus 253.78 33.338 0.85 1.27 Cibicidoides mexicanus 254.13 33.416 0.21 0.51 Cibicidoides mexicanus 254.74 33.550 0.07 0.23 Cibicidoides aff. praemundulus 255.35 33.685 0.19 0.68 Cibicidoides aff. praemundulus 256.25 33.883 0.07 0.56 Cibicidoides aff. praemundulus 256.87 34.020 -0.06 0.43 Cibicidoides aff. praemundulus 257.78 37.951 0.02 0.81 Cibicidoides aff. praemundulus 257.87 37.970 -0.06 0.90 Cibicidoides aff. praemundulus 258.27 38.065 0.30 0.90 Cibicidoides aff. praemundulus