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Plate P5. Light microscope images of diatoms, Hole U1371D. Scale bars = 10 µm (right: figs. 1, 2, 5–8, 11–38; left: figs. 3, 4, 9, 10). 1, 2. Coscinodiscus marginatus Ehrenberg (Sample 329-U1371D-10H-3W, 80–81 cm). 3, 4. Coscinodiscus radiatus Ehrenberg (Sample 1H-1W, 66–67 cm). 5–8. Costopyxis trochlea (Hanna) Strelnikova in Gleser et al.; (5, 6) Sample 4H-4W, 20–21 cm; (7, 8) Sample 8H-2W, 82–83 cm. 9, 10. Crucidenticula kanayae Akiba et Yanagisawa (Sample 7H-2W, 43–44 cm). 11, 12. Crucidenticula nicobarica (Grunow) Akiba et Yanagisawa (Sample 6H-3W, 81–82 cm). 13–16. Cyclotella pantanelliana Castracane (Sample 3H-3W, 112–113 cm). 17–19. Cymatosira sp. (Sample 8H-4W, 82–83 cm). 20–22. Denticulopsis crassa Yanagisawa et Akiba (Sample 11H-6W, 17–18 cm). 23–26. Closed copula of Denticulopsis dimorpha (Schrader) Simonsen; (23, 24) Sample 6H-3W, 81–82 cm; (25, 26) Sample 11H-6W, 17–18 cm. 27–30. Denticulopsis katayamae Maruyama; (27, 28) Sample 9H-6W, 58–59 cm; (29, 30) Sample 8H-5W, 82–83 cm. 31, 32. Denticulopsis lauta (Bailey) Simonsen (Sample 11H-3W, 17–18 cm). 33–38. Denticulopsis maccollumii Simonsen; (33, 34) Sample 4H-5W, 20–21 cm; (35, 36) Sample 6H-3W, 81–82 cm; (37, 38) Sample 8H-5W, 82–83 cm.

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