Plate P3. Dinoflagellate cysts and spores from lithologic Units IV and VI, Hole 1138A. 1, 7. Sample 183-1138A-68R-2, 124-126 cm. (1) Apteodinium cf. granulatum Eisenack, 1958 (scale bar = 20 µm) (slide 2). (7) Odontochitina operculata (Wetzel, 1933) Deflandre and Cookson, 1955 (scale bar = 25 µm) (slide 2). 2. Balmeisporites cf. holodictyus Cookson and Dettmann, 1958 (Sample 183-1138A-72R-1, 122-124 cm) (scale bar = 20 µm) (slide 16). 3, 4. Aratrisporites sp. (Sample 183-1138R-73R-3, 36-38 cm) (scale bar = 10 µm). (3) Slide 6. (4) Slide 7. 5, 6. Sample 183-1138A-68R-3, 123-127 cm (scale bar = 20 µm). (5) Isabelidinium glabrum (Cookson and Eisenack, 1969) Lentin and Williams, 1977 (slide 1). (6) Cyclonephelium compactum Deflandre and Cookson, 1955 (slide 10).