Plate 7. 1, 2. Reticulofenestra umbilicus (Levin) Martini and Ritzkowski, Sample 149-900A-53R-1, 141 cm, XP (1) and PL (2). 3, 4. Reticulofenestra circus n. sp. (3) Holotype, Sample 149-900A-50R-5, 6 cm, XP. (4) XP. 5, 6. Cyclicargolithus abisectus (Muller) Wise, Sample 149-900A-44R-1, 131 cm. (5) XP. (6) XP. 7, 8. Cyclicargolithus floridanus (Roth and Hay) Bukry, Sample 149-900A-39R-1, 78 cm, XP (7) and Ph (8). 9, 10. Reticulofenestra stavensis (Levin and Joerger) Varol, Sample 149-900A-39R-1, 24 cm, XP (9) and Ph (10). 11, 12. Reticulofenestra bisecta bisecta (Hay, Mohler, and Wade) Roth, (<10.0 µm), Sample 149-900A-39R-1, 24 cm, XP (11) and Ph (12). 13, 14. Reticulofenestra bisecta (Hay, Mohler, and Wade) Roth, filewiczii, Wise and Wiegand, Sample 149-900A-39R-1, 24 cm, XP (13) and Ph (14). 15, 16. Bicolomnus ovatus Wei and Wise, Sample 149-900A-39R-3, 109 cm, XP (15) and Ph (16). 17, 18. Reticulofenestra haqii Backman, Sample 149-900A-30R-2, 41 cm, XP (17) and Ph (18). 19, 20. Reticulofenestra lockerii Müller. (19) Sample 149-900A-26R-2, 136 cm, XP. (20) Sample 149-900A-32R-2, 100 cm, XP. 21, 22. Reticulofenestra moguntina Martini, Sample 149-900A-39R-1, 24 cm, XP (21) and Ph (22). 23. Reticulofenestra daviesi (Haq) Haq, Sample 149-900A-48R-5, 103 cm, XP. 24. Reticulofenestra hampdenensis Edwards, Sample 149-900A-39R-3, 109 cm, XP. 25-29. Pyrocyclus orangensis (Bukry) Backman. (25-27)TR, Sample 149-900A-29R-1, 122 cm. (25) Proximal view, ×8000. (26, 27) XP and Ph. (28, 29) (large), Sample 149-900A-39R-3, 109 cm, XP (28) and Ph (29). 30, 31. Pyrocyclus hermosus Roth and Hay, Sample 149-900A-12R-2, 106 cm, XP (30) and Ph (31). 32. Crenalithus doronicoides (Black and Burns) Roth, Sample 149-900A-12R-1, 48 cm, XP. 33. Reticulofenestra producta (Kamptner) Wei and Thierstein, Sample 149-900A-12R-1, 48 cm, XP.