Plate 4. 1-6. Ericsonia detecta n. sp. (1-3)^TR, holotype, Sample 149-900A-33R-5, 129 cm. (1) Distal view, ×6000. (2, 3) XP and Ph. (4-6)^TR, Sample 149-900A-51R-6, 47 cm. (6) Proximal view, ×6000, (4, 5) XP and Ph. 7, 8, 21. Coccolithus pelagicus (Wallich) Schiller. (7) Distal view, ×4000, Sample 149-900A-29R-21, 122 cm. (8) Proximal view, ×4000, Sample 149-900A-29R-21, 122 cm. (21) XP. 9. Ericsonia sp., Proximal view, ×6000, Sample 149-900A-29R-1, 122 cm. 10-13. Coccolithus sp. 1. (10, 11) Sample 149-900A-25R-1, 79 cm, XP (10) and Ph (11). (12, 13) Sample 149-900A-27R-2, 72 cm, XP (12) and Ph (13). 14-17. Ericsonia formosa (Kamptner) Haq. (14, 15) Sample 149-900A-52R-6, 14 cm, XP (14) and Ph (15). (16, 17) Sample 149-900A-53R-6, 86 cm, XP (16) and Ph (17). 18, 19. Geminilithella bramlettei (Hay and Towe) Varol. (18) XP, Sample 149-900A-53R-6, 86 cm. (19) XP, Sample 149-900A-53R-4, 91 cm. 20. Ericsonia sp. 1, ×2500, XP, Sample 149-900A-48R-4, 142 cm.