Scientific Results, Volume 189 K.L. McGonigal and W. Wei, Ms 189SR-110 Table T6. Miocene calcareous nannofossil events. Notes: LO = last occurrence, FO = first occurrence, LCO = last common occurrence. T = top of event, B = bottom of event. References: 1 = Backman and Raffi, 1997; 2 = Raffi et al., 1998; 3 = Berggren et al., 1995; 4 = Gartner, 1992; 5 = Maiorano and Monechi, 1998; 6 = Raffi et al., 1995; 7 = de Kaenel and Villa, 1996; 8 = Shackleton et al., 2000. Age (Ma) Event Top sample Top depth (mbsf) Bottom sample Bottom depth (mbsf) Mean depth (mbsf) Error (+/- m) Reference 189-1168A- 189-1168A- 5.23 LO Triquetrorhabdulus rugosus 10H-1, 15 83.45 10H-2, 16 84.95 84.2 0.75 1 7.1 T Reticulofenestra pseudoumbilicus paracme 12H-1, 15 102.45 12H-2, 15 103.95 103.2 0.75 1 7.3 FO Amaurolithus delicatus 12H-3, 15 105.45 12H-4, 15 106.95 106.2 0.75 2 7.4 FO Amaurolithus primus 12H-6, 15 109.95 12H-7, 15 111.45 110.7 0.75 2 7.8 LO Minylitha convallis 15X-1, 15 128.25 15X-2, 15 129.75 129 0.75 3 8.78 B Reticulofenestra pseudoumbilicus paracme 15X-2, 15 129.75 15X-3, 15 131.25 130.5 0.75 1 9.4 FO Minylitha convallis 17X-4, 15 151.95 17X-5, 15 153.45 152.7 0.75 3 10.94 LO Calcidiscus miopelagicus 20X-5, 15 182.25 20X-6, 15 183.75 183 0.75 1 11.9 LO Cyclicargolithus floridanus 22X-2, 15 197.05 22X-3, 15 198.55 197.8 0.75 4 12.7 LO Calcidiscus premacintyrei 24X-5, 15 220.75 24X-6, 15 222.25 221.5 0.75 5 13.2 LCO Cyclicargolithus floridanus 26X-2, 15 235.45 26X-3, 15 236.95 236.2 0.75 6 13.52 LO Sphenolithus heteromorphus 26X-6, 15 241.45 26X-7, 15 242.95 242.2 0.75 1 17.4 FO Calcidiscus premacintyrei 30X-6, 15 279.85 30X-7, 15 280.85 280.35 0.5 4 18.2 FO Sphenolithus heteromorphus 32X-2, 15 293.05 32X-3, 15 294.55 293.8 0.75 3 18.3 LO Sphenolithus belemnos 32X-6, 15 299.05 32X-7, 15 300.05 299.55 0.5 3 19.2 FO Sphenolithus belemnos 34X-3, 15 313.15 34X-4, 15 314.65 313.9 0.75 3 22.3 LO Ilselithina fusa 41X-3, 2 380.32 41X-3, 40 380.7 380.51 0.19 4 ~23.2 FO Calcidiscus tropicus 43X-5, 2 402.52 43X-5, 40 402.9 402.71 0.19 7 23.7 LO Sphenolithus capricornutus 47X-2, 78 437.18 47X-2, 120 437.6 437.39 0.21 3 23.8 LO Sphenolithus delphix 47X-3, 59 438.49 47X-3, 78 438.68 438.59 0.09 8 23.9 LO Reticulofenestra bisecta bisecta 47X-4, 40 439.8 47X-4, 68 440.08 439.94 0.14 3 24.3 FO Sphenolithus delphix 48X-3, 138 448.88 48X-4, 2 449.02 448.95 0.07 8 189-1170A- 189-1170A- 5.23 LO Triquetrorhabdulus rugosus 15H-3, 60 128.32 15H-4, 60 130.32 129.32 1 1 7.1 T Reticulofenestra pseudoumbilicus paracme 17H-6, 60 152.11 19X-1, 60 163.8 157.96 5.85 1 7.3 FO Amaurolithus delicatus 17H-CC 153.57 19X-1, 60 163.8 158.69 5.12 2 7.4 FO Amaurolithus primus 17H-CC 153.57 19X-1, 60 163.8 158.69 5.12 2 8.78 B Reticulofenestra pseudoumbilicus paracme 21X-2, 60 178.4 21X-3, 60 179.9 179.15 0.75 1 10.94 LO Coccolithus miopelagicus 25X-2, 60 216.8 25X-3, 60 218.3 217.55 0.75 1 11.9 LO Cyclicargolithus floridanus 28X-4, 60 248.6 28X-5, 60 250.1 249.35 0.75 4 12.7 LO Calcidiscus premacintyrei 30X-5, 60 269.3 31X-1, 60 272.9 271.1 1.8 5 13.2 LCO Cyclicargolithus floridanus 31X-4, 60 277.4 31X-5, 60 278.9 278.15 0.75 6 17.4 FO Calcidiscus premacintyrei 35X-2, 60 312.2 35X-3, 60 313.7 312.95 0.75 4 ~23.2 FO Calcidiscus tropicus 42X-3, 110 381.5 42X-4, 60 383 382.25 0.75 7 23.9 LO Reticulofenestra bisecta bisecta 42X-3, 110 381.5 42X-4, 60 383 382.25 0.75 3 189-1171A- 189-1171A- 5.23 LO Triquetrorhabdulus rugosus 6H-7, 15 54.25 7H-1, 15 54.75 54.5 0.25 1 7.1 T Reticulofenestra pseudoumbilicus paracme 7H-7, 15 63.75 8H-1, 15 64.25 64 0.25 1 7.4 FO Amaurolithus primus 8H-2, 15 65.25 8H-3, 15 65.89 65.57 0.32 2 7.8 LO Minylithus convallis 8H-2, 15 65.25 8H-3, 15 65.89 65.57 0.32 3 8.78 B Reticulofenestra pseudoumbilicus paracme 9H-2, 15 75.25 9H-3, 15 76.75 76 0.75 1 189-1171C- 189-1171C- 10.94 LO Coccolithus miopelagicus 16X-2, 15 136.15 16X-3, 15 137.65 136.9 0.75 1 11.9 LO Cyclicargolithus floridanus 16X-2, 15 136.15 16X-3, 15 137.65 136.9 0.75 4 12.7 LO Calcidiscus premacintyrei 17X-1, 15 144.25 17X-2, 15 145.75 145 0.75 5 13.2 LCO Cyclicargolithus floridanus 18X-5, 15 159.85 18X-6, 15 161.35 160.6 0.75 6 17.4 FO Calcidiscus premacintyrei 22X-4, 15 196.45 22X-5, 15 197.95 197.2 0.75 4 ~23.2 FO Calcidiscus tropicus 28X-4, 15 252.15 28X-CC 252.79 252.47 0.32 7 23.9 LO Reticulofenestra bisecta bisecta 28X-4, 15 252.15 28X-CC 252.79 252.47 0.32 3 189-1172A- 189-1172A- 5.23 LO Triquetrorhabdulus rugosus 8H-CC 73.22 10H-3, 15 85.45 79.34 6.12 1 5.53 LO Discoaster quinqueramus 8H-CC 73.22 10H-3, 15 85.45 79.34 6.12 1 7.1 T Reticulofenestra pseudoumbilicus paracme 13H-7, 15 119.95 14H-1, 15 121.47 120.71 0.76 1 7.3 FO Amaurolithus delicatus 13H-7, 15 119.95 14H-1, 15 121.47 120.71 0.76 2 7.4 FO Amaurolithus primus 13H-7, 15 119.95 14H-1, 15 121.47 120.71 0.76 2 8.78 B Reticulofenestra pseudoumbilicus paracme 18H-4, 15 162.95 18H-5, 15 164.45 163.7 0.75 1 10.94 LO Coccolithus miopelagicus 26X-3, 15 233.25 26X-4, 15 234.75 234 0.75 1 11.9 LO Cyclicargolithus floridanus 27X-3, 15 242.85 27X-4, 15 244.35 243.6 0.75 4 12.7 LO Calcidiscus premacintyrei 30X-4, 15 272.17 30X-5, 15 274.15 273.16 0.99 5 13.2 LCO Cyclicargolithus floridanus 30X-5, 15 274.15 30X-6, 15 275.65 274.9 0.75 6 13.52 LO Sphenolithus heteromorphus 31X-3, 15 280.75 31X-4, 15 282.25 281.5 0.75 1 17.4 FO Calcidiscus premacintyrei 34X-2, 15 308.15 34X-3, 15 309.85 309 0.85 4 18.2 FO Sphenolithus heteromorphus 34X-4, 15 311.15 34X-5, 15 312.65 311.9 0.75 3 ~23.2 FO Calcidiscus tropicus 36X-4, 15 330.35 36X-5, 15 331.85 331.1 0.75 7 23.9 LO Reticulofenestra bisecta bisecta 37X-4, 15 339.95 37X-4, 117 340.97 340.46 0.51 3