578 5/16/91CSC Koizumi Koizumi, 86 578 GrpEvent Plotcode Y. Age Old Age Top depth Bottom depth 578 D top T. nidulus tTn 0.39 2-CC 3-1,97 578 D top R. curvirostris tRc 0.35 2-5,115 2-CC 578 D top N.reinholdii tNr 0.47 3-2,96 3-3,97 578 D top N.fossilis tNf 0.55 3-4,96 3-4,97 578 D top R.matuyamai tRm 0.97 4-CC 5-1,117 578 D base R.matuyamai bRm 1.00 5-1,118 5-2,117 578 D top A. oculatus tAo 1.33 6-1,110 6-2,109 578 D base P.doliolus bPd 2.00 7-6,122 7-7,47 578 D top R.praebergonii tRp 1.66 7-1,122 7-2,121 578 D top T.convexa tTc 2.30 8-4,119 8-5,118 578 D top N.jouseae tNj 2.50 9-1,119 9-2,118 578 D base R.praebergonii bRp 2.58 9-2,119 9-3,118 578 D top D. kamtschatica tDk 2.50 9-1,119 9-2,118 578 D base D. seminae fossilis bDsf 3.36 10-4,119 10-5,118 578 D base N.jouseae bNj 4.50 12-1,101 12-2,100 578 D base T.oestrupii bTo 5.35 12-CC 13-1,135 578 D top R. californica tRc 4.40 11-6,131 11-7,20 578 D top T.miocenica tTm 5.35 12-CC 13-1,135 578 D top A.acutiloba tAa 5.35 12-CC 13-1,135 578 D top T. antiqua tTa 3.14 10-2,119 10-3,118 578 M Brunhes B1N1 0.73 27.86 578 M Jaramillo T1N2 0.91 31.86 578 M Jaramillo B1N2 0.98 34.46 578 M Olduvai T2N1 1.66 53.56 578 M Olduvai B2N1 1.88 58.06 578 M Gauss T2AN1 2.47 72.66 578 M Gauss B2AN1 2.92 81.43 578 M Gauss (^kaena) T2AN2 2.99 82.45 578 M Gauss B2AN2 3.08 83.66 578 M Gauss (^mammoth) T2AN3 3.18 84.96 578 M Gauss B2AN3 3.40 87.56 578 M Gilbert-cochiti T3N1 3.88 93.46 578 M Gilbert-cochiti B3N1 3.97 94.66 578 M Gilbert-nunivak T3N2 4.10 96.46 578 M Gilbert-nunivak B3N2 4.24 97.46 578 M Gilbert-sidufjall T3N3 4.40 99.16 578 M Gilbert-sidufjall B3N3 4.47 100.77 578 M Gilbert-thvera T3N4 4.57 101.74 578 M Gilbert-thvera B3N4 4.77 103.74 578 M 3A/chron 5 T3AN1 5.35 109.66 578 M 3A/chron 5 T3AN2 5.68 113.26 578 M 3A/chron 5 B3AN2 5.89 115.96 578 M 3B/chron 6 T3BN1 6.37 118.61 578 M 3B/chron 6 B3BN1 6.50 119.61 578 M 4/chron 7 T4N1 6.70 120.41 578 M 4/chron 7 B4N1 6.78 120.81 578 M 4/chron 7 T4N2 6.85 121.01 578 M 4/chron 7 B4N2 7.28 123.81 578 M 4/chron 7 N4N3 7.35 124.36 578 M 4/chron 7 B4N3 7.41 124.71 578 M 4A/chron 9 T4AN1 7.90 126.01 578 M 5/chron 11 T5N1 8.92 127.70 578 M 5/chron 11 B5N1 10.42 131.01 578 M C5 T5N2 10.54 131.36 578 M C5 B5N2 10.59 131.56 578 M C5 T5N3 11.03 132.86 578 M C5 B5N3 11.09 133.06 578 M C5A T5AN1 11.55 134.36 578 M C5A B5AN1 11.73 134.75 578 M C5A T5AN2 11.86 135.08 578 M C5A B5AN2 12.12 135.86 578 M C5A T5AN3 12.46 136.61 578 M C5A B5AN3 12.49 136.81 578 M C5A T5AN4 12.58 137.16 578 M C5A B5AN4 12.62 137.36 578 M C5AA T5AAN1 12.83 138.41 578 M C5AA B5AAN1 13.01 139.01 578 M C5AB T5ABN1 13.20 139.41 578 M C5AB B5ABN1 13.46 140.01 578 M C5AC T5ACN1 13.69 140.61 578 M C5AC B5ACN1 14.08 141.71 578 M C5AD T5ADN1 14.20 141.91 578 M C5AD B5ADN1 14.66 143.41 578 M C5B T5BN1 14.87 144.11 578 M C5B B5BN1 14.96 144.31 578 M C5B T5BN2 15.13 144.51 578 M C5B B5BN2 15.27 144.91 578 R B Cycladophora davisiana BCYDA 2.70 8-CC 10-1,10 578 R B Eucyrtidium matuyami BEUMA 1.90 8-1,30 8-CC 578 R B Sphaeropyle langii BSHLA 4.70 12-1,15 13-1,20 578 R B Theocorythium trachelium BTHTR 2.80 8-CC 10-1,10 578 R T Eucyrtidium matuyami TEUMA 1.00 5-1,10 6-1,12 578 R T Lychnocanium grande TLYGR 0.50 4-1,1 5-1,10 578 R T Stichocorys peregrina TSCPE 2.80 8-CC 10-1,10 578 R T Stylatractus universus TSYUN 0.35 3-1,1 4-1,1