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Table T13. Radiolarian datum events, Holes U1343A, U1343B, U1343C, U1343D, and U1343E. (See table note.)

Zone Marker species Age
(Ma) 		Hole U1343A Hole U1343B Hole U1343C Hole U1343D Hole U1343E
Core, section Depth (mbsf) 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 Top Bottom Top Bottom
Botryostrobus
aquilonaris 		T Lychnocanoma nipponica sakaii 0.05 1H-CC 2H-CC 5.5 15.0 1H-CC 2H-CC 6.9 16.9 1H-CC 2H-CC 7.2 16.7         1H-CC 2H-CC 8.2 17.8
T Spongodiscus sp. 0.28–0.32 8H-CC 9H-CC 71.9 82.0         9H-CC 10H-CC 78.4 87.7         8H-CC 9H-CC 74.9 84.2
T Axoprunum acquilonium 0.25–0.43 9H-CC 10H-CC 82.0 91.0         12H-CC 13H-CC 106.7 116.1         9H-CC 10H-CC 84.2 91.0
Stylatractus
universus 		T Stylatractus universus 0.41–0.51 11H-CC 12H-CC 100.6 110.5         14H-CC 15H-CC 124.7 135.0         11H-CC 12H-CC 101.8 106.7
Eucyrtidium
matuyamai 		T Eucyrtidium matuyamai 0.9–1.5                                 34H-CC 35H-CC 291.3 301.5
B Eucyrtidium matuyamai 1.7–1.9                                 69X-CC 70X-CC 606.9 618.0

Note: T = top, B = bottom.

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