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Table T5. Calcareous nannofossils, Hole C0021B.

Age
(Ma) 		Core, section,
interval (cm) 		Average depth
(mbsf) 		Abundance Preservation Calcidiscus leptoporus Calciosolenia murrayi Ceratolithus cristatus Coccolithus pelagicus Discoaster berggrenii Discoaster brouweri Discoaster quinqueramus Discosphaera tubifera Emiliania huxleyi Florisphaera profunda Gephyrocapsa spp. large (>5.5 µm) Gephyrocapsa spp. medium (4–5.5 µm) Gephyrocapsa spp. small (<4 µm) Helicosphaera carteri Helicosphaera inversa Helicosphaera wallichii Oolithotus antilarum Pontosphaera japonica Pontosphaera spp. Pseudoemiliania lacunosa Reticulofenestra asanoi Reticulofenestra pseudoumbilicus Reticulofenestra spp. (<7 µm) Rhabdosphaera clavigera Sphenolithus abies Syracosphaera pulchra Umbilicosphaera sibogae
  338-C0021B-                                                            
<0.291 1H-CC, 25.5−30.5 5.88 V G + + + +         + + + + + +   +   +           +   + +
0.436−0.903 2H-CC, 68.5−73.5 89.48 V G +     +           + + + + +         + +           + +
3H-CC, 33.5−38.5 98.98 V G +   + +     re +   + + + + +       + + +       +   + +
4H-CC, 16.5−21.5 108.48 V G +   + +           + + + + +       +   +       +   + +
1.24−1.34 5H-1WR, 44.0−57.0 108.98 V G + +   +           + + + + +   +   + + +   re + + re + +
0.436−0.903 5H-CC, 11.0−16.0 117.98 V G + + + +           + + + + + +   +   + +       +     +
6H-CC, 44.0−49.0 127.48 V G + +   +           +   + + +   +   + + +       +   + +
7H-CC, 20.0−-25.0 136.98 V G +   + +           + re + + +         + +       +   + +
0.903−1.04 8H-CC, 28.0−33.0 146.48 A G + +   + re re       +   + + +       + + + +     +   + +
9H-CC, 25.5−30.5 154.98 V G +                 +   + + +   +   + + + +     +   + +
1.07–1.24 10H-CC, 46.0−51.0 164.48 V G +     +           +     + +       + + +   re + +     +
1.04−1.107 11H-CC, 31.5−36.5 169.49 V G +                 +     + +     + + + + +   + +   + +
0.903−1.04 12H-CC, 41.5−46.5 175.17 V G + +   +       +   +   + + +     +   + + +   + +   + +
1.24−1.34 13T-CC, 25.5−30.5 183.75 A G +     +           + + + + +       + + +       +     +
14T-CC, 29.5−34.5 194.48 V G +                 + + + + +   +   + + +       +   + +

Abundance: V = very abundant, A = abundant. Preservation: G = good. re = reworked, + = present. Median numerical ages for last consistent occurrence and first consistent occurrence of Reticulofenestra asanoi and last occurrence of large Gephyrocapsa are shown.

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