Plate 4. 1-12, 15-17. Conusphaera mexicana Trejo ssp. minor Bralower ex Bown and Cooper, Sample 149-901A-5R-1, 31 cm. (1, 4, 7, 8)^TR. Same specimen. (1) Distal view, FSU-F103. (4) Oblique distal view, FSU-F115. (7, 8) XP, FSU-FO52-D9 and Ph, FSU-FO52-D10. (2, 5, 9, 10)™. Same specimen (2) Distal view, FSU-F66. (5) Oblique distal view, FSU-F78. (9, 10) XP, FSU-FO51-D21 and Ph, FSU-FO51-D23. (3, 6, 11, 12)^TR. Same specimen (3) Proximal view, FSU-F62. (6) Oblique proximal view, FSU-FIlS. (11, 12) XP, FSU-FO51-D19 and Ph, FSU-FO51-D20. (15, 16, 17)^TR. Same specimen. (15, 16) XP, FSU-FO52-D1 and Ph, FSU-FO52-D2. (17) Proximal view, FSU-Fl00. 13, 14. Conusphaera cf. C. mexicana ssp. minor. Elliptical specimen, Sample 149-901A-3R-1, 1 cm; XP, FSU-FO41-D3 and Ph, FSU-FO41-D4. Magnification for all SEM micrographs is X8000.