Plate 5. 1, 2. Chiasmolithus gigas, Sample 149-900A-69R-1, 44-45 cm (1, pol; 2, ph). 3, 6. Discoaster multiradiatus, Sample 149-900A-77R-3, 3-4 cm, ph. 4, 5. Nannotetrina fulgens, Sample 149-900A-70R-1, 11-12 cm (4, ph; 5, pol). 7, 8. Ellipsolithus distichus, Sample 149-900A-75R-1, 56-57 cm (7, ph; 8, pol). 9, 10. Rhabdosphaera inflata, Sample 149-900A-71R-2, 17-18 cm, pol. Light micrograph abbreviations: pol = polarized light, ph = phase contrast light. Magnification = ×2000.