Plate P1. Selected biostratigraphically useful diatoms, Hole U1371D. Scale bars = 10 µm (right: figs. 1–8, 11–28; left: figs. 9, 10). 1, 2. Actinocyclus ingens Rattray (Sample 329-U1371D-2H-6W, 29–30 cm). 3, 4. Shionodiscus tetraoestrupii var. reimeri (Mahood et Barron) Alverson et al. (Sample 3H-6W, 112–113 cm). 5, 6. Hemidiscus triangularus (Jousé) Harwood et Maruyama (Sample 9H-2W, 92–93 cm). 7, 8. Thalassiosira insigna (Jousé) Harwood et Maruyama (Sample 5H-3W, 112–113 cm). 9, 10. Proboscia barboi (Brun) Jordan et Priddle (Sample 4H-3W, 106–107 cm). 11, 12. Rouxia diploneides Schrader (Sample 2H-5W, 67–68 cm). 13, 14. Fragilariopsis interfrigidaria (McCollum) Gersonde et Bárcena (Sample 6H-2W, 81–82 cm). 15, 16. Fragilariopsis praeinterfrigidaria (McCollum) Gersonde et Bárcena (Sample 7H-4W, 15–16 cm). 17, 18. Fragilariopsis barronii (Gersonde) Gersonde et Bárcena (Sample 3H-4W, 112–113 cm). 19, 20. Fragilariopsis kerguelensis (O’Meara) Hustedt (Sample 3H-1W, 112–113 cm). 21, 22. Shionodiscus gracilis (Karsten) Alverson et al. (Sample 4H-4W, 20–21 cm). 23, 24. Thalassiosira inura Gersonde (Sample 8H-4W, 82–83 cm). 25, 26. Hemidiscus karstenii Jousé in Jousé et al. (Sample 7H-2W, 43–44 cm). 27, 28. Actinocyclus ingens var. ovalis Gersonde (Sample 10H-2W, 80–81 cm).
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