Plate P4. Light microscope images of marine diatoms, Hole U1352B. Scale bars = 10 μm (left for figures 33, 34; right for others). 1–10. Thalassiosira oestrupii (Ostenfeld) Proschkina-Lavrenko ex Hasle: (1, 2) Sample 317-U1352B-17H-1W, 115–116 cm; (3, 4) Sample 17H-2W, 114–115 cm; (5–8) Sample 38X-2W, 99–100 cm; (9, 10) Sample 56X-1W, 100–101 cm. 11, 12. Thalassiosira striata Harwood et Maruyama (Sample 317-U1352B-27H-1W, 100–101 cm). 13–26. Thalassiosira sp. d of Fenner et al. (1976): (13, 14, 21, 22) Sample 317-U1352B-42X-5W, 100–101 cm; (15, 16) Sample 41X-2W, 104–105 cm; (17, 18) Sample 28H-2W, 25–26 cm; (19, 20) Sample 13H-1W, 124–125 cm; (23–26) Sample 25H-1W, 25–26 cm. 27–30. Thalassiosira spp.: (27, 28) Sample 317-U1352B-40X-6W, 25–26 cm; (29, 30) Sample 26H-6W, 25–26 cm. 31, 32. Thalassiosira oliverana (O’Meara) Sournia (Sample 317-U1352B-23H-4W, 110–111 cm). 33, 34. Triceratium spp. (Sample 317-U1352B-1H-1W, 60–61 cm). 35–42. Genus et species indet.: (35, 36, 39, 40) Sample 317-U1352B-26H-2W, 100–101 cm; (37, 38) Sample 26H-5W, 100–101 cm; (41, 42) Sample 27H-1W, 100–101 cm.
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