Initial Reports, Volume 199 Ms 199-111 Chapter 11, Table T6. Planktonic foraminifer datum levels, Site 1218. Notes: T = top or highest occurrence, B = bottom or first occurrence. Ages are those of Berggren et al. (1995); ages in square brackets are those of Shackleton et al. (1999). Several well defined datums without calibrations to the magnetostratigraphic time scale are also included. Top Bottom Leg Site Hole Core Type Section Interval (cm) Leg Site Hole Core Type Section Interval (cm) Marker species Age (Ma) Depth (mbsf) Midpoint Depth (mbsf) Plus/Minus Depth (mcd) Midpoint Depth (mcd) Plus/Minus B 199 1218 A 8 H 6 60-62 199 1218 A 8 H CC Globoquadrina dehiscens 23.2 73.72 0.42 81.68 0.42 B 199 1218 A 10 H 1 130-132 199 1218 A 10 H 2 74-75 Paragloborotalia kugleri 23.8 [22.9] 85.97 0.47 97.87 0.47 B 199 1218 A 12 H 2 118-122 199 1218 A 12 H 4 59-64 Paragloborotalia pseudokugleri [24.6] 107.09 1.21 121.56 1.21 T 199 1218 A 14 H 4 31-33 199 1218 A 14 H 5 32-35 Paragloborotalia opima opima 27.1 127.77 0.76 143.19 0.76 B 199 1218 A 16 H 1 117-122 199 1218 A 16 H 3 118-122 Globorotalia mayeri - 143.88 1.51 161.72 1.51 B 199 1218 A 16 H CC 199 1218 A 17 H 1 117-121 Globoquadrina tapuriensis - 151.34 0.54 169.21 0.57 T 199 1218 A 16 H 7 39-44 199 1218 A 16 H CC Common Chiloguembelina cubensis 28.5 [27.0] 150.70 0.11 168.54 0.11 T 199 1218 A 18 H 4 98-100 199 1218 A 18 H 5 98-100 Turborotalia ampliapertura 30.3 [29.3] 166.39 0.71 186.95 0.71 B 199 1218 A 18 H 6 98-100 199 1218 A 18 H CC Paragloborotalia opima opima 30.6 [29.6] 169.13 0.53 189.69 0.53 B 199 1218 B 9 H 4 63-65 199 1218 B 9 H 5 63-65 Globoquadrina dehiscens 23.2 76.28 0.75 84.62 0.75