Figure F31. Calcareous nannofossils from Hole U1428A mudline sample. Scale bars = 2 µm. 1, 2. Calcidiscus leptoporus; (1) distal view; (2) proximal view. 3. Florisphaera profunda. 4, 5. Umbilicosphaera sibogae; (4) proximal view; (5) distal view. 6, 12. Helicosphaera carteri; (6) distal view; (12) proximal view. 7, 8. Helicosphaera wallichii. 9. Rhabdosphaera clavigera. 10, 11. Syracosphaera cf. pulchra. 13. Calciosolenia murrayi. 14–16. Gephyrocapsa oceanica. 17, 18. Emiliania huxleyi; (17) coccosphere; (18) coccolith. Photos taken using SEM.
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