472 7/10/91CSC/dbl Barron Koizumi,86 472 GrpEvent Plotcode Y. Age Old Age Top depth Bottom depth 472 D top A.ellepticus f.lanceolata tAel 3.20 5-2,120 6-1,40 472 D top N.porteri tNp 6.80 5-1,120 5-1,140 472 D top T.burckliana tTb 7.60 44.00 45.00 472 D top T.(C.) yabei tTy 7.90 6-4,20 6-5,10 472 D base N.fossilis bNf 8.70 46.00 47.00 472 D base T.burckliana bTb 8.20 48.00 49.00 472 D top S.jouseana tSj 5.70 5-1,120 5-1,140 472 D top C.coscinodiscus tCc 12.00 82.00 83.00 472 D top C.gigas v.diorama tCgd 11.70 80.00 81.00 472 D base H.cuneiformis bHc 11.00 72.00 73.00 472 D base C.temperei v.delicata bCtd 12.60 91.00 92.00 472 D top D. punctata v. hustedtii tDph 12.00 75.00 76.00 472 D top D.nicobarica tDn 12.30 93.00 94.00 472 D base C.gigas v.diorama bCgd 13.10 11-4,106 11-CC 472 D base R. barboi bRb 12.30 84.00 85.00 472 D top C.lewisianus tCl 13.00 97.00 98.00 472 D LAD Denticulopsis praedimorpha tDp 9.50 8-3,120 8-4,30 472 D FAD Denticulopsis praedimorpha bDp 12.40 94.00 95.00 472 D base T. antiqua bTa 8.00 46.00 47.00 472 D top D. dimorpha tDd 9.00 54.00 55.00 472 D base D. dimorpha bDd 10.10 65.00 66.00 472 D top A.ellipticus v.javanicus tAej 7.30 6-1,130 6-2,40 472 D top C.temperei v.delicata tCtd 8.30 50.00 51.00 472 D base A.ellipticus f.lanceolata bAel 12.50 8-2,120 8-3,30 472 D top C.tuberculatus tCt 11.80 9-5,107 9-CC 472 D top A.ingens tAi 4.70 5-1,140 5-2,120 472 D base N.porteri bNp 10.00 7-1,77 7-2,12 472 D top Annellus californicus tAc 12.50 11-1,35 11-1,100 472 D base Azpeitia nodulifer bAn 12.40 11-1,35 11-1,100 472 D base T.cinnamomeum bTc 13.40 11-1,100 11-2,35 472 F 0.00 0.00 0.00 472 N CN6 Zone CN6 10.00 10.80 10-CC 472 N CN5a subZone CN5a 11.50 13.20 11-1,1 12-1,1 472 N CN4 Zone CN4 13.20 16.20 12-2,1 13-CC 472 R B Diartus hughesi BDIHU 11.20 9-1,70 9-5,68 472 R B Didymocyrtis antepenultima BDCAN 10.60 9-1,70 9-3,10 472 R B Didymocyrtis penultima BDCPE 8.90 6-1,70 6-3,70 472 R Be Stichocorys peregrina ESCPE 6.30 5-1,60 6-3,70 472 R T Cyrtocapsella japonica TCCJA 10.80 8-3,60 9-1,70 472 R T Lithopera neotera TLPNE 10.00 7-3,60 7-5,60