Fig. 10From: Paleoceanography and dinoflagellate cyst stratigraphy across the Lower–Middle Pleistocene Subseries (Calabrian–Chibanian Stage) boundary at the Chiba composite section, JapanDinoflagellate cysts from the Chiba composite section. Max. dia. = maximum diameter. EF = England Finder reference. a–c Lejeunecysta sp. A, dorsal view at upper, mid-, and lower foci; cyst length 67 μm; sample TB 50, slide 2 (10 μm), EF O40/3. d–f Lejeunecysta sp. B, ventral view at upper, mid-, and lower foci; cyst length 78 μm; sample TB2 59, slide 2 (10 μm), EF R37/1. g–i Quinquecuspis concreta, ventral view at upper through lower foci; cyst length 75 μm; sample TB 16, slide 2 (10 μm), EF N37/0Back to article page