Plate P8. Noelaerhabdaceae, Coccolithaceae. Taxonomic organization and concepts are generally comparable to those of Young and Bown (1997) and Bown (2005). Images with black background are cross-polarized light images; those with light backgrounds are phase-contrast images. 1, 2. Chiphragmalithus barbatus (Sample 198-1208A-35X-CC); (2) side view. 3. Isthmolithus recurvus (Sample 198-1208A-36X-2, 30 cm). 4, 5. Neocrepidolithus grandiculus; (4) Sample 198-1208A-36X-2, 99 cm, (5) Sample 198-1208A-36X-CC, 1.5 cm. 6. Toweius cf. T. callosus (Sample 198-1208A-36X-2, 90 cm). 7. Cyclicargolithus abisectus (Sample 198-1208A-36X-2, 3 cm). 8. Cyclicargolithus cf. C. floridanus (Sample 198-1208A-36X-2, 3 cm). 9. Reticulofenestra scrippsae (8.5 µm) (Sample 198-1208A-35X-CC). 10, 11. Reticulofenestra bisecta; (10) 10.6 µm (Sample 198-1208A-35X-CC), (11) Sample 198-1208A-36X-2, 40 cm. 12. Reticulofenestra umbilicus (Sample 198-1208A-36X-2, 40 cm). 13. Bramletteius serraculoides (Sample 198-1208A-35X-CC). 14. Campylosphaera sp. (Sample 198-1208A-36X-2, 99 cm). 15. Chiasmolithus consuetus (Sample 198-1208A-36X-CC, 2 cm). 16–18. Clausicoccus subdistichus; (16) Sample 198-1208A-36X-CC, 8 cm, (17, 18) Sample 198-1208A-35X-CC. 19, 20. Coccolithus formosus (Sample 198-1208A-35X-CC). 21, 22. Coccolithus pelagicus (Sample 198-1208A-35X-CC). 23, 24. Ericsonia cf. E. robusta (Sample 198-1208A-36X-CC, 12 cm). 15. Ericsonia robusta (Sample 198-1208A-36X-CC, 5 cm). 26. Hayella situliformis (Sample 198-1208A-36X-2, 3 cm). 27. ?Hughesius sp. (Sample 198-1208A-36X-CC, 1.5 cm). 28–33. Calcidiscus pacificanus; (28, 29) Sample 198-1208A-36X-CC, 1.5 cm, (30) Sample 198-1208A-36X-2, 30 cm, (31, 32) Sample 198-1208A-36X-2, 99 cm, (33) Sample 198-1208A-36X-2, 55 cm. 34. Markalius sp. (Sample 198-1208A-36X-2, 55 cm). 35, 36. Coccoliths (indeterminate) (Sample 198-1208A-35X-CC). 37, 38. Chiasmolithus consuetus (Sample 198-1208A-36X-CC, 1.5 cm). 39. Reticulofenestra umbilicus (18.5 µm) (Sample 198-1208A-35X-CC). 40. Reticulofenestra bisecta (15.7 µm) (Sample 198-1208A-35X-CC). (Plate shown on next page.)

Plate P8. Noelaerhabdaceae, Coccolithaceae. Taxonomic organization and concepts are generally comparable to those of Young and Bown (1997) and Bown (2005). Images with black background are cross-polarized light images; those with light backgrounds are phase-contrast images. 1, 2. Chiphragmalithus barbatus (Sample 198-1208A-35X-CC); (2) side view. 3. Isthmolithus recurvus (Sample 198-1208A-36X-2, 30 cm). 4, 5. Neocrepidolithus grandiculus; (4) Sample 198-1208A-36X-2, 99 cm, (5) Sample 198-1208A-36X-CC, 1.5 cm. 6. Toweius cf. T. callosus (Sample 198-1208A-36X-2, 90 cm). 7. Cyclicargolithus abisectus (Sample 198-1208A-36X-2, 3 cm). 8. Cyclicargolithus cf. C. floridanus (Sample 198-1208A-36X-2, 3 cm). 9. Reticulofenestra bisecta (8.5 µm) (Sample 198-1208A-35X-CC). 10, 11. Reticulofenestra stavensis; (10) 10.6 µm (Sample 198-1208A-35X-CC), (11) Sample 198-1208A-36X-2, 40 cm. 12. Reticulofenestra umbilicus (Sample 198-1208A-36X-2, 40 cm). 13. Bramletteius serraculoides (Sample 198-1208A-35X-CC). 14. Campylosphaera sp. (Sample 198-1208A-36X-2, 99 cm). 15. Chiasmolithus consuetus (Sample 198-1208A-36X-CC, 2 cm). 16–18. Clausicoccus subdistichus; (16) Sample 198-1208A-36X-CC, 8 cm, (17, 18) Sample 198-1208A-35X-CC. 19, 20. Coccolithus formosus (Sample 198-1208A-35X-CC). 21, 22. Coccolithus pelagicus (Sample 198-1208A-35X-CC). 23, 24. Ericsonia cf. E. robusta (Sample 198-1208A-36X-CC, 12 cm). 15. Ericsonia robusta (Sample 198-1208A-36X-CC, 5 cm). 26. Hayella situliformis (Sample 198-1208A-36X-2, 3 cm). 27. ?Hughesius sp. (Sample 198-1208A-36X-CC, 1.5 cm). 28–33. Calcidiscus pacificanus; (28, 29) Sample 198-1208A-36X-CC, 1.5 cm, (30) Sample 198-1208A-36X-2, 30 cm, (31, 32) Sample 198-1208A-36X-2, 99 cm, (33) Sample 198-1208A-36X-2, 55 cm. 34. Markalius sp. (Sample 198-1208A-36X-2, 55 cm). 35, 36. Coccoliths (indeterminate) (Sample 198-1208A-35X-CC). 37, 38. Chiasmolithus consuetus (Sample 198-1208A-36X-CC, 1.5 cm). 39. Reticulofenestra umbilicus (18.5 µm) (Sample 198-1208A-35X-CC). 40. Reticulofenestra stavensis (15.7 µm) (Sample 198-1208A-35X-CC).