Plate 9. 1, 4, 5^TR. Stephanolithion bigotti Deflandre, same specimen, Sample 149-901A-5R-1, 31 cm. (1) Distal view, FSU-Fl 10, X8000. (4, 5) XP, FSU-FO52-D20 and Ph, FSU-FO52-D21. 2, 6, 7. Stradnerlithus asymmetriens (Rood, Hay and Barnard) Noël. (2) Proximal view, Sample 149-901A-5R-1, 31 cm, FSU-F47, XlOOOO. (6, 7) XP, Sample 149-901A-5R-1, 74 cm; FSU-FO39-D24 and Ph, FSU-FO39-D25. 8, 9. Stradnerlithus sexiramatus (Pienaar) Perch-Nielsen; XP, Sample 149-901A-5R-1, 31 cm; FSU-FO49-D2 and Ph, Sample 149-901A-5R-1, 74 cm; FSU-FO46-D24. 10, 11. Truncatoscaphus senarius (Wind and Wise) Perch-Nielsen 1984, XP, Sample 149-901A-5R-1, 74 cm; FSU-FO49-D4 and Ph, FSU-FO49-D5. 12, 13. Diadorhombus scutulatus (Medd) Medd, XP, Sample 149-901A-7R-1, 14 cm; FSU-FO51-D42 and Ph, FSU-FO51-D43. 3, 15-18. Rotelapillus radians Noël. (3) Proximal view, Sample 149-901A-5R-1, 31 cm, FSU-F5, X8000. (15, 16) XP, Sample 149-901A-5R-1, 74 cm; FSU-FO49-D8 and Ph, FSU-FO49-D9. (17, 18) XP, Sample 149-901A-5R-1, 31 cm; FSU-FO46-D28 and Ph, FSU-FO46-D29. 14, 19-25. Rotelapillus pleoseptatus sp. nov.; Sample 149-901A-5R-1, 31 cm. (14, 22-25)^TR. Holotype, same specimen. (14) Distal view, FSU-F52, X8000. (25) Oblique distal view, FSU-F56, X8000. (22-24) XP (at 45°) FSU-FO51-D8, XP (at 90°) FSU-FO51-D9, and Ph, FSU-FO51-D10. (19-21) XP (at 90°), FSU-FO45-D9, Ph, FSU-FO45-D11, and XP (at 45°), FSU-FO45-D10.