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Table T8. Radiolarian datum events, Holes U1342A, U1342B, U1342C, and U1342D. (See table note.)

Zone Marker species Age
(Ma)		 Hole U1342A Hole U1342B Hole U1342C Hole U1342D
Core, section Depth (mbsf) Core, section Depth (mbsf) Core, section Depth (mbsf) Core, section Depth (mbsf)
Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom Top Bottom
Botryostrobus
aquilonaris 		T Lychnocanoma nipponica sakaii 0.05   1H-CC 0 1.75   1H-CC 0 5.33   1H-CC 0 7.19   1H-CC 0 6.11
T Amphimelissa setosa 0.08–0.10 Not found     Not found       1H-CC 0 7.19 Not found    
T Spongodiscus sp. 0.28–0.32 1H-CC 2H-CC 1.75 11.41 1H-CC 2H-CC 5.33 15.08 1H-CC 2H-CC 7.19 17.04 1H-CC 2H-CC 6.11 15.83
T Axoprunum acquilonium 0.25–0.43 2H-CC 3H-CC 11.41 21.01 2H-CC 3H-CC 15.08 24.56 1H-CC 2H-CC 7.19 17.04 2H-CC 3H-CC 15.83 25.12
Stylatractus
universus 		T Stylatractus universus 0.41–0.51 6H-CC 7H-CC 48.35 55.74 Not found     Not found     Not found    
Eucyrtidium
matuyamai 		T Eucyrtidium matuyamai 0.9–1.5 Not found     3H-CC 4H-CC 24.56 34.07 Not found     Not found    
B Eucyrtidium matuyamai 1.7–1.9                    

Note: T = top, B = bottom.

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