Initial Reports Volume 190 Chapter 9, Table 10. Calcareous nannofossil range chart, Zones NN21a-NN10a. 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 Zone Core, section, interval (cm) Depth (mbsf) Preservation Abundance Amaurolithus amplificus Amaurolithus delicatus Amaurolithus primus Amaurolithus spp. Amaurolithus tricorniculatus Braarudosphaera bigelowii Calcidiscus tropicus Calcidiscus leptoporus Calcidiscus macintyrei Ceratolithus cristatus Ceratolithus cristatus var. telesmus Coccolithus pelagicus Coccolithus pelagicus (with bar) Cyclolithus annulus Discoaster asymmetricus Discoaster bellus Discoaster bergenii Discoaster berggrenii Discoaster braarudii Discoaster brouweri Discoaster challengeri Discoaster exilis Discoaster kugleri Discoaster loeblichii Discoaster pansus Discoaster pentaradiatus Discoaster quinqueramus Discoaster spp. Discoaster surculus Discoaster tamalis Discoaster trirdiatus Discoaster variabilis Emiliania huxleyi Florisphaera profunda Gephyrocapsa muellerae Gephyrocapsa oceanica Gephyrocapsa spp. (<2?m) Helicosphaera carteri Helicosphaera carteri var. wallichii Helicosphaera intermedia Helicosphaera orientalis Helicosphaera sellii Helicosphaera stalis Minylitha convallis Neosphaera coccolithomorpha Pontosphaera discopora Pontosphaera japonica Pontosphaera multipora Pseudoemiliania lacunosa Pseudoemiliania ovata Reticulofenestra haqii Reticulofenestra minuta Reticulofenestra minutula Reticulofenestra pseudoumbilicus (>7 ?m) Reticulofenestra pseudoumbilicus (5-7 ?m) Reticulofenestra with `pseudobar' Rhabdosphaera clavigera Rhabdosphaera clavigera var. stylifera Scapholithus fossilis Scyphosphaera spp. Sphenolithus abies Sphenolithus grandis Sphenolithus moriformis Sphenolithus spp. Syracosphaera pulchra Syracosphaera spp. Triquetrorhabdulus rioi Triquetrorhabdulus rugosus Umbellosphaera irregularis Umbellosphaera tenuis Umbilicosphaera hulburtiana Umbilicosphaera jafari Umbilicosphaera rotula Umbilicosphaera sibogae var. foliosa Umbilicosphaera sibogae var. sibogae 190-1178A- Pleistocene NN21a-?20 1X-CC G G C R A A C C D F F R R R R R C R C F C F NN19 2X-CC G C R F C D C A F F R R R R R Pliocene NN16 3X-CC G C F R C R R F R R R R C A A C A A 4X-CC G C C F R R F R R R F C C A F F R R C D C F R C 5X-CC G C C R R R R C A A A R R R R F F C F C F F 6X-CC G C C C F R C A A A R F F C C C F C F R NN15 7X-CC G C C F R F F C R A A D F F C C R C C 8X-CC G C R C R R R R R R R A A D F F C R 9X-CC G C R R R R R C F R A A A R R C A R F C C 11X-CC M F F R R R R F F R A A A C C C C C F C R C 12X-CC G M C R F R F R R A C A R C C R 13X-CC G C F F F F F C R F F R R R R A A A F F R F C F R R C NN14-13 14X-4, 75-76 118.85 P C C F C C F F F C F A A F F A A C C 14X-CC P F F C C C F F C C F F A C C A A C C 15X-CC M C C F A R C F C A C C F F C C F R C 16X-CC G C C C C C F F F F A C C A A C C 17X-3, 75-76 145.95 P C F C F F C C A A D F C 17X-CC P C F F R C F A C F C A C C C C 18X-3, 75-77 154.41 M C F C F C F F A C C C A A F C C C 18X-CC M C C R R F R F A A R A A C C C R F 19X-CC M C R C R R R R R R A A R R C A C C F R R 20X-CC M C R F R R R R F R R R A A F A A F F R R 21X-CC G C C C F F C C C F C F A D F F F F F 22X-3, 57-58 193.37 M C C C F C C F A C C A F C C 22X-CC B late Miocene NN11b 23X-CC M F R R C R R A C R C D F C C F C 24X-CC M C C C C F F F F C F A A C A C C A F 25X-CC M F F R R F C F R F A F R D C C C C F C R 26X-CC M F F C F F A C F C D R C 27X-CC M F C F R R F A C A D C F F F F 28X-CC M F C F F F A F F C D F C C C C C F 29X-3, 75-76 260.46 P F C F C C F A C D F C C F 29X-CC P F F R R R R A C R F C D R F C C R NN10a 30X-CC P C F F R F R R R F F F C C D A F F C C F 31X-CC P F F C R C C R C D C C F C 32X-CC M F R C F R R R A C F C A A C C C R R C C late Miocene NN10a 33X-CC M F F C F F F F R A A D C F C C R F 34X-3, 75-76 308.85 M F F F R F C C D R C C 34X-CC M F C F F C C C C F A D C F C F C 35X-CC P F F C C R R F C D C C C 36X-CC M F C F C C C A D F C C 37X-CC P F R R R R F R C D C C R 38X-2, 69-70 345.79 P F C F C C D C C F C F C 38X-CC M F C F F F F C F C A A D C C F F F NN11a 39X-1, 19-20 353.39 P F F F F C C F A A F A C F 39X-CC P F C F F A D C C C 40X-CC M F F C F C F F C A F F C D F C C C 41X-1, 67-68 373.17 P R F C C C C F F C D C 41X-CC P R C D 42X-2, 31-32 383.91 P C F C C F F A C A C C C 42X-CC P R C C C F C C D C 43X-2, 109-110 394.19 P C F C F F R R R F F R C D R C C R 43X-CC P R A D 44X-4, 79-80 405.81 P C F F R F F R F A A A A C F C 44X-CC B 190-1178B- 2R-CC P F C F C F F C D C C C C 3R-CC P R A D C C 4R-3, 75-76 413.35 P C F R R F C D C A C F NN11b 4R-CC P C F R F R R F A R F C D R C C 5R-3, 12-13 422.42 P C R F F R R C F F R C R A D C A R F F 5R-CC P F F C F F F F F C A F F A F C C 6R-3, 70-71 432.7 P R A C A 6R-CC P R C F F C C F A A A C C C C F F 7R-4, 69-70 443.79 B B 7R-CC P C C C F F F F F F F A D F C C A F F 8R-3, 70-71 451.9 P R F F C F C F A D F C F 8R-CC P F R R C F F F R R R F A A A F R C C F F F 9R-CC P C C R R R A D C C C C C F 10R-CC P F C C F F F A A A C C C A F 11R-3, 74-75 480.84 B 11R-CC P R F F F F F F F F F A D F F C F F 12R-CC P R F C F F C F A F A A C F C late Miocene NN11b 13R-CC M R C C C F F F F D F C A C C C C 14R-CC M F C C F F F F F A A A A C C 15R-CC M C R F R R R R R R R R R F A D R F C C C NN10a 16R-CC P R A A 17R-CC P R F C F R R R R R F R A R R C D R C F 18R-CC P F R C R R R F R R C R A D R C R C F C R 19R-CC M C R R R R F R R R A A D R F C F R 20R-CC P F C R R C F R A A D F R F C R 21R-CC B 22R-CC P R C C F A A D F F C 23R-CC P R C F F F C A C D C C C C 24R-CC P R F A D C C C 25R-CC P R C C F F C A D F C C 26R-CC P R C C D F C C 27R-CC P F C F F A D C C C C 28R-CC P R C F F F A D F F F 29R-CC P F F F A D F F C C F NN11b 30R-CC M C R F C F F R R C R R C R C R F A A F C C C F 31R-CC P C C F R R F R F C F R R A D C F A