Plate 5. 1, 2, 4-7. Umbilicosphaera jafari Muller. (1, 4, 5)^TR. (1) Distal view, ×8000, Sample 149-900A-22R-1, 122 cm. (4, 5) XP and Ph. (2, 6, 7)^TR, Sample 149-900A-22R-1, 122 cm. (2) Proximal view, ×8000. (6, 7) XP and Ph. 3, 8-11. Geminilithella rotula (Kamptner) Backman. (3) Proximal view of distal shield, ×8000, Sample 149-900A-22R-1, 122 cm. (8, 9) (small) Sample 149-898A-23R-5, 70 cm, XP (8) and Ph (9). (10, 11) (large) Sample 149-900A-14R-5, 142 cm, XP (10) and Ph (11). 12, 13. Umbilicosphaera sibogae foliosa (Kamptner) Okada and McIntyre, Sample 149-900A-14R-6, 112 cm, XP (12) and Ph (13). 14, 15. Umbilicosphaera cricota (Gartner) Cohen and Reinhardt, Sample 149-900A-14R-7, 144 cm, XP (14) and Ph (15). 16, 17. Umbilicosphaera sp., elliptical Lohmann, Sample 149-900A-16R-1, 133 cm, XP (16) and Ph (17). 18-23. Coronocyclus nitescens (Kamptner) Bramlette and Wilcoxon. (18, 19) (thick) Sample 149-900A-25R-1, 79 cm, XP (18) and Ph (19). (20, 21) Sample 149-900A-25R-1, 79 cm, XP (20) and Ph (21). (22, 23) (elliptical) Sample 149-900A-23R-3, 101 cm, XP (22) and Ph (23). 24-27. Coronocyclus aff. C. prionion (Deflandre and Fert) Stradner in Stradner and Edward. (24, 25) Sample 149-900A-23R-3, 101 cm, XP (24) and Ph (25). (26, 27) Sample 149-900A-15R-3, 30 cm, XP (26) and Ph (27).