Initial Reports Volume 190 Chapter 8, Table 11. Calcareous nannofossil range chart, Zones NN18-NN2. 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 delicatus Amaurolithus primus Amaurolithus tricorniculatus Braarudosphaera bigelowii Calcidiscus leptoporus Calcidiscus premacintyrei Calcidiscus macintyrei Calcidiscus tropicus Ceratolithus cristatus Ceratolithus atlanticus Coccolithus miopelagicus Coccolithus pelagicus Coccolithus pelagicus (with bar) Coronocyclus nitescens Cyclicargolithus floridanus Cryptococcolithus mediaperforatus Discoaster asymmetricus Discoaster bergeni Discoaster bollii Discoaster braarudii Discoaster brouweri Discoaster calcaris Discoaster challengeri Discoaster deflandrei Discoaster druggii Discoaster exilis Discoaster kugleri Discoaster musicus Discoaster neorectus Discoaster pansus Discoaster pentaradiatus Discoaster petaliformis Discoaster prepentaradiatus Discoaster quinqueramus Discoaster surculus Discoaster spp. Discoaster triradiatus Discoaster variabilis Florisphaera profunda Gephyrocapsa spp. (<2 micrometers) Hayella challengeri Helicosphaera ampliaperta Helicosphaera carteri Helicosphaera euphratis Helicosphaera granulata Helicosphaera intermedia Helicosphaera mediterranea Helicosphaera orientalis Helicosphaera perch-nielseniae Helicosphaera walbersdorfensis Helicosphaera scissura Helicosphaera sellii Helicosphaera stalis Helicosphaera spp. Hughesius tasmaniae Pontosphaera japonica Pontosphaera multipora Pseudoemiliania lacunosa Pseudoemiliania ovata Reticulofenestra haqii Reticulofenestra minuta Reticulofenestra minutula Reticulofenestra pseudoumbilicus (5-7 ?m) Reticulofenestra pseudoumbilicus (>7 ?m) Reticulofenestra spp. Scapholithus fossilis Sphenolithus abies Sphenolithus ciperoensis Sphenolithus dissimilis Sphenolithus grandis Sphenolithus disbelemnos Sphenolithus delphix Sphenolithus heteromorphus Sphenolithus moriformis Sphenolithus spp. Syracosphaera spp. Triquetrorhabdulus rugosus Triquetrorhabdulus milowii Umbilicosphaera jafari Umbilicosphaera rotula Umbilicosphaera rotaria Umbilicosphaera sibogae var. sibogae 190-1177A- Pliocene NN18 1R-CC G C C C F A G C C C A A C C 2R-CC M F R C C A A M F C C C A C 3R-CC M R C F A A M R C A A C 4R-3, 68-69 332.18 P F R F F R R F C C P F R R D A C R C C R R NN17 4R-CC M R C R F F C A A M R R R C C A A F 5R-CC P R C C F C F D C P R C C A C 6R-CC P R C F F A P R C A A F C NN16-15 7R-4, 75-76 362.55 M F C F F C F F F A A M F C F A A 7R-CC G C R C F R F C R A C G C C C A A F F F 8R-4, 65-66 372.15 B B 8R-CC P R C F C F A P R C A 9R-3, 75-76 380.35 P R F C A C C F F C P R A C C 9R-CC P R C A A P R A 10R-3, 75-76 389.85 B B 10R-CC B B 11R-3, 70-71 399.4 B B 11R-CC B B 12R-2, 52-53 406.7 B B 12R-CC P R A P R A A NN14-12 13R-3, 75-76 418.65 P F F C A A F A P F A F 13R-CC M R M R D A 14R-3, 70-71 428.2 B B late Miocene NN11 14R-CC P R F F C C C C C F C P R A D F 15R-CC B B 16R-CC B B 17R-CC B B 18R-CC P R C P R A A 19R-CC M R A M R A 20R-CC B B 21R-CC M R C F C A M R C A C C F 22R-CC B B 23R-1, 74-75 511.84 M R R R C F R C F F R R M R R F F D F R F R F R NN10b 23R-CC M F F R F F F R C F C M F R C D R C R F F 24R-CC B B 25R-CC B B late Miocene NN10a-7 26R-1, 49-50 540.59 P R C C C D 26R-CC B 27R-CC B 28R-CC P R D 29R-CC B 30R-CC B 31R-CC P R D 32R-1, 68-69 598.48 P R A A A C 32R-CC P F C A C C C C F A A A F 33R-2, 69-70 609.69 B 33R-CC B 34R-CC P R F F F F F F F F C D A C C C F F 35R-CC P F F C F F F C F F C D C C F C C F C C 36R-1, 40-41 636.7 P R C A C C F F A F F A middle Miocene NN6 36R-CC P R F C F F C C F C F F A A C C A 37R-2, 74-75 647.14 P F C C F C F A D C C F 37R-3, 74-75 648.14 P F F R R C F C R A R F R R A D C C R F C R C 37R-CC P R C A C A C A A C A 38R-CC P F C C C C C C F C F C F C A A C F C C C C 39R-2, 76-77 667.46 P R A A 39R-CC P R A C A A C C A A NN5 40R-1, 71-72 675.51 P R C A C C A A C A 40R-CC P R C A C A C C C A 41R-2, 65-66 686.55 P R C F A A A 41R-CC P R C F F A C A A C 42R-1, 55-56 694.55 P R C A C A A F 42R-CC P R C F C C A F C C A 43R-2, 66-67 705.86 P R C C C C C A F F A C C 43R-CC P R C A A D 44R-1, 110-111 714.4 B 44R-2, 54-55 715.34 P R A A C A C 44R-CC P C C F F F F F C A F C D 45R-1, 96-97 723.86 P F C C A C A A 45R-CC B 46R-1, 110-111 733.6 P R R F C F C A A A C 46R-2, 40-41 734.4 P R D 46R-CC P C C C C C C C F C D F C C A C middle Miocene NN5 47R-2, 76-77 744.36 P F F C C C C A C C D 47R-4, 41-42 747.01 P C C C C C C C D C C C C F C early Miocene NN4-2 47R-CC P C A A A A C A C C 48R-2, 74-75 753.94 P R C C C F F C A C C C D 48R-CC P R C C A A A 49R-3, 72-73 765.02 B 49R-CC B 50R-2, 77-78 773.27 P R D 50R-CC P M A A A 51R-2, 75-76 782.85 B 51R-CC B 52R-2, 76-77 792.56 B 53R-3, 74-75 803.64 B 54R-CC P F C A A A A C C C A 55R-2, 74-75 821.44 P F F A F D A C F F C C A A A C D C C