Plate P1. Phytoliths from Sites 1165 and 1166, Prydz Bay, Antarctica. The upper scale bar refers to figures. 1-13. Codes after phytolith description are slide number and England Finder coordinates, respectively. 1. Opaque panicoid, grass (Sample 188-1165B-11H-3, 77-78 cm; 96.08 mbsf) (slide 2, H47/0). 2. Festucoid, grass (possible modern contaminant) (Sample 188-1166A-12R-CC, 8-10 cm; 106.34 mbsf) (slide 1, N48/1). 3. Bulliform, grass (Sample 188-1165B-45X-5, 77-78 cm; 392.88 mbsf) (slide 1, N41/1). 4. Striated plate, fern (Sample 188-1165B-39X-1, 72-73 cm; 329.13 mbsf) (slide 1, M37/4). 5. Pellet spherical, tree/shrub (Sample 188-1165B-35X-1, 77-78 cm; 291.28 mbsf) (slide 1, K37/2). 6. Irregular spherical, tree/shrub (Sample 188-1165B-45X-5, 77-78 cm; 392.88 mbsf) (slide 1, N39/2). 7. Opaque smooth spherical, tree/shrub (Sample 188-1165B-01H-2, 78-79 cm; 2.29 mbsf) (slide 2, M47/2). 8. Spinulose spherical, tree/shrub (Sample 188-1165B-17H-1, 77-78 cm; 139.08 mbsf) (slide 1, T46/4/3). 9. Verrucose spherical, tree/shrub (a) high focus, (b) middle focus (Sample 188-1165B-8H-1, 77-78 cm; 64.58 mbsf) (slide 2, N44/3). 10. Folded spherical, tree/shrub (Sample 188-1165B-39X-1, 72-73 cm; 329.13 mbsf) (slide 1, N40/1). 11. Etched embayed plate, origin unknown (Sample 188-1165B-45X-5, 77-78 cm; 392.88 mbsf) (slide 1, N36/2). 12. Rectangular striated block, origin unknown (Sample 188-1165B-1H-2, 78-79 cm; 2.29 mbsf) (slide 2, M46/1). 13. Cubic, origin unknown (Sample 188-1166A-1R-1, 127-129 cm; 1.29 mbsf) (slide 1, G48/0). 14. Anticlinal epidermal, tree/shrub (Sample 188-1165B-35X-5, 77-78 cm; 291.28 mbsf) (slide 1, L45/2).

Plate P1. Phytoliths from Sites 1165 and 1166, Prydz Bay, Antarctica. The upper scale bar refers to figures. 1-13. Codes after phytolith description are slide number and England Finder coordinates, respectively. 1. Opaque panicoid, grass (Sample 188-1165B-11H-3, 77-78 cm; 96.08 mbsf) (slide 2, H47/0). 2. Festucoid, grass (possible modern contaminant) (Sample 188-1166A-12R-CC, 8-10 cm; 106.34 mbsf) (slide 1, N48/1). 3. Bulliform, grass (Sample 188-1165B-45X-5, 77-78 cm; 392.88 mbsf) (slide 1, N41/1). 4. Striated plate, fern (Sample 188-1165B-39X-1, 72-73 cm; 329.13 mbsf) (slide 1, M37/4). 5. Pellet spherical, tree/shrub (Sample 188-1165B-35X-1, 77-78 cm; 291.28 mbsf) (slide 1, K37/2). 6. Irregular spherical, tree/shrub (Sample 188-1165B-45X-5, 77-78 cm; 392.88 mbsf) (slide 1, N39/2). 7. Opaque smooth spherical, tree/shrub (Sample 188-1165B-01H-2, 78-79 cm; 2.29 mbsf) (slide 2, M47/2). 8. Spinulose spherical, tree/shrub (Sample 188-1165B-17H-1, 77-78 cm; 139.08 mbsf) (slide 1, T46/4/3). 9. Verrucose spherical, tree/shrub (a) high focus, (b) middle focus (Sample 188-1165B-8H-1, 77-78 cm; 64.58 mbsf) (slide 2, N44/3). 10. Folded spherical, tree/shrub (Sample 188-1165B-39X-1, 72-73 cm; 329.13 mbsf) (slide 1, N40/1). 11. Etched embayed plate, origin unknown (Sample 188-1165B-45X-5, 77-78 cm; 392.88 mbsf) (slide 1, N36/2). 12. Rectangular striated block, origin unknown (Sample 188-1165B-1H-2, 78-79 cm; 2.29 mbsf) (slide 2, M46/1). 13. Cubic, origin unknown (Sample 188-1166A-1R-1, 127-129 cm; 1.29 mbsf) (slide 1, G48/0). 14. Anticlinal epidermal, tree/shrub (Sample 188-1165B-35X-5, 77-78 cm; 291.28 mbsf) (slide 1, L45/2).