Plate P3. 1. Coscinodiscus asteromphalus Ehrenberg (Sample 185-1149A-7H-6, 89-91 cm). 2. Coscinodiscus curvatulus Grunow (Sample 185-1149A-8H-7, 39-41 cm). 3. Coscinodiscus endoi Kanaya (Sample 185-1149A-7H-3, 106-108 cm). 4, 5. Coscinodiscus marginatus Ehrenberg (Sample 185-1149A-10H-4, 135-141 cm). 6. Azpeitia nodulifera var. cyclopus (Jousé) Fryxell and Sims (Sample 185-1149A-3H-4, 117-123 cm). 7. Azpeitia nodulifera (A. Schmidt) Fryxell and Sims (Sample 185-1149A-3H-4, 117-123 cm). 8. Coscinodiscus radiatus Ehrenberg (Sample 185-1149A-2H-4, 43-45 cm). 9. Coscinodiscus tabularis Grunow (Sample 185-1149A-4H-2, 112-114 cm). Scale bars = 10 µm.

Plate P3. 1. Coscinodiscus asteromphalus Ehrenberg (Sample 185-1149A-7H-6, 89-91 cm). 2. Coscinodiscus curvatulus Grunow (Sample 185-1149A-8H-7, 39-41 cm). 3. Coscinodiscus endoi Kanaya (Sample 185-1149A-7H-3, 106-108 cm). 4, 5. Coscinodiscus marginatus Ehrenberg (Sample 185-1149A-10H-4, 135-141 cm). 6. Azpeitia nodulifera var. cyclopus (Jousé) Fryxell and Sims (Sample 185-1149A-3H-4, 117-123 cm). 7. Azpeitia nodulifera (A. Schmidt) Fryxell and Sims (Sample 185-1149A-3H-4, 117-123 cm). 8. Coscinodiscus radiatus Ehrenberg (Sample 185-1149A-2H-4, 43-45 cm). 9. Coscinodiscus tabularis Grunow (Sample 185-1149A-4H-2, 112-114 cm). Scale bars = 10 µm.