Initial Reports Volume 190 Chapter 4, Table 11. Calcareous nannofossil range chart, Zones NN21-NN19. Notes: D = dominant, A = abundant, C = common, F = few, R = rare, P = poor, M = moderate, G = good. See "Biostratigraphy," p.9, in the "Explanatory Notes" chapter. Epoch Zones Hole, core, section, interval(cm) Depth (mbsf) Preservation Abundance Amaurolithus primus Braarudosphaera bigelowii Calcidiscus tropicus Calcidiscus leptoporus Calcidiscus macintyrei Ceratolithus cristatus Ceratolithus cristatus var. telesmus Coccolithus pelagicus Coccolithus pelagicus (with bar) Cyclolithus annulus Discoaster spp. Emiliania huxleyi Florisphaera profunda Gephyrocapsa ericsonii Gephyrocapsa muellerae Gephyrocapsa oceanica Gephyrocapsa ornata Gephyrocapsa spp. (<2 ?m) Hayaster perplexus Helicosphaera carteri Helicosphaera carteri var. walichii Helicosphaera inversa Helicosphaera sellii Holodiscolithus macroporus Neosphaera coccolithomorpha Oolithotus fragilis Pontosphaera discopora Pontosphaera japonica Pontosphaera multipora Pseudoemiliania lacunosa Pseudoemiliania ovata Reticulofenestra asanoi Reticulofenestra minuta Reticulofenestra minutula Reticulofenestra pseudoumbilicus (>7 ?m) Reticulofenestra pseudoumbilicus (5-7 ?m) Reticulofenestra spp. Rhabdosphaera clavigera Scyphosphaera spp. Sphenolithus grandis Sphenolithus spp. Syracosphaera pulchra Syracosphaera spp. Umbellosphaera tenuis Umbilicosphaera hulburtiana Umbilicosphaera jafari Umbilicosphaera rotula Umbilicosphaera sibogae var. foliosa Umbilicosphaera sibogae var. sibogae Pleistocene NN21b 190-1173A- 2H-CC, 28-29 17.13 M C D F C A F F F F F C 3H-CC, 34-35 26.16 M C F F R D F C C A F F R F C 4H-CC, 36-37 36.48 M C R C R F D C C C A F F C F R C 5H-CC, 17-18 45.72 M C C F F D C C C A R F C F F 6H-1, 75-76 45.88 M C R F F D C C C A F F C R R F F R C NN21a 7H-4, 75-76 59.89 P R D 8H-CC, 23-24 74.23 P R C A C A C A C C 9H-CC, 14-15 83.61 G C C F F C D C C F R R C C R R F F F 10H-CC, 30-31 93.38 G C 11H-CC, 0-1 102.27 G C F R A C C C D F F F R R F R C 12H-CC, 35-36 111.96 M C F A A D C C C 13H-4, 75-76 116.89 M C F R A A D C A R F NN20 13H-6, 75-76 119.89 M C C R C D F A R R R R 13H-CC, 10-11 120.94 P R A 14H-4, 75-76 126.39 M F F C D C A R R R R F NN19 14H-CC G C F R A A C A F F R C C C F 15H-4, 74-75 135.88 M F A A 15H-CC, 36-37 140.36 P R A A 16H-4, 70-71 145.34 P R C A C A A R R R C C F F F 16H-7, 45-46 149.59 P R D 17H-4, 75-76 154.89 P R C F C A A A F C C C F F 17H-6, 149-150 158.63 B 18H-7, 63-64 168.57 G F F R A F A R R C C C C R 19H-3, 75-76 172.39 G F C A C C A A C C 19H-CC, 22-23 178.24 G C F A C C A C C F C C F F 20H-CC G C 21H-CC, 13-14 197.32 G C 22H-3, 75-76 200.89 G C C C D A C 22H-CC, 0-1 205.98 G C C R A A A F C C C R 23H-4, 70-71 211.84 G C C A A A A R C C 23H-CC, 0-1 216.06 G C C F R A C C D R F F C C 24H-CC, 0-5 225.43 G C F F R C A F A A R R R F C C F R R R R 25X-CC, 24-25 235.32 G F C A C A D F C C C C F R R F 26X-4, 96-97 240.7 M F C C D A 26X-CC, 37-38 245.09 P F C F A C A C C C C 27X-4, 45-46 249.89 P F C R F A C A F C C C C R Pleistocene NN19 27X-CC, 37-38 254.72 P C R C F F R R A F F A C F A C F F 28X-4, 71-72 259.75 P F C C A A C 28X-CC, 42-43 264.47 P F C F F F F D F F C F C F A C F C