Plate 6. 1, 2, 4, 5, 7-13. Conusphaera mexicana Trejo ssp. minor Bralower ex Bown and Cooper, Sample 149-901A-5R-1, 31 cm. (1) Oblique distal view, FSU-F85. (2, 5, 12, 13)^TR. Same specimen. (2) Lateral view, FSU-F63. (5) Oblique proximal view, FSU-F76. (12, 13) XP, FSU-FO51-D12 and Ph, FSU-FO51-D15. (4, 7-9)^TR. Same specimen. (4) Oblique distal view, FSU-F116. (7) Distal view, FSU-F104. (8, 9) XP, FSU-FO52-D7 and Ph, FSU-FO52-D8. (10-11) XP, FSU-FO44-D31 and Ph, FSU-F044-D32. 3, 6, 14-16. Conusphaera mexicana Trejo ssp. mexicana (1989). (3, 6, 16)™. Same specimen, Sample 149-901A-5R-1, 31 cm. (3) Lateral view, FSU-F88. (6) Oblique distal view, FSU-F91. (16) XP (at 90°), FSU-FO52-D43. (14, 15) XP (at 45°), Sample 149-901A-6R-1, 131 cm; FSU-FO39-D8 and Ph, FSU-FO39-D9. 17, 18. Calcivascularis sp. 1, Sample 149-901A-5R-1, 31 cm; XP (at 90°), FSU-FO44-D6 and Ph, FSU-FO44-D7. Magnification for all SEM micrographs is X8000.