Plate P1 (continued). 97-99. Operculodinium janduchenei (Sample 189-1168A-10H-7, 60-62 cm); 1, T22-4 (scale bar = ~15 µm). 100-102. Cyst of Pentapharsodinium dalei and Algidasphaeridium minutum cezare (Sample 189-1168A-3H-3, 60-62 cm); 2, T20-1. 103-106. Pentadinium laticinctum (Sample 189-1168A-33X-3, 60-62 cm); 1, T51-1 (scale bar = ~15 µm). 107, 108. Phthanoperidinium filigranum (Sample 189-1168A-78X-7, 60-62 cm); 2, T30-2 (scale bar = ~10 µm). (Continued on next page.)

Plate P1 (continued). 97-99. Operculodinium janduchenei (Sample 189-1168A-10H-7, 60-62 cm); 1, T22-4 (scale bar = ~15 µm). 100-102. Cyst of Pentapharsodinium dalei and Algidasphaeridium minutum cezare (Sample 189-1168A-3H-3, 60-62 cm); 2, T20-1. 103-106. Pentadinium laticinctum (Sample 189-1168A-33X-3, 60-62 cm); 1, T51-1 (scale bar = ~15 µm). 107, 108. Phthanoperidinium filigranum (Sample 189-1168A-78X-7, 60-62 cm); 2, T30-2 (scale bar = ~10 µm).