Initial Reports Volume 189 Chapter 4, Table T7. Combined bioevents used for the age model, Hole 1169A. Notes: Group: D = diatom, R = radiolarian, C = dinocyst, N = nannofossil, F = planktonic foraminifer, B = bolboforma. LO = last occurrence, LAO = last abundant occurrence. Interval (cm) Group Bioevent Age (Ma) Top Bottom Depth (mbsf) D LO Proboscia barboi 1.80 0.0 1H - CC 8.52 R LO Pseudocubus vema 2.40 4H-CC 5H-CC 42.07 C LO Invertocysta tabulata 2.65 5H-CC 9H-CC 65.50 D LO Fragilariopsis weaveri 2.65 1H - CC 2H - CC 15.04 D LO Fragilariopsis lacrima 2.90 4H - CC 5H - CC 46.79 R LO Lampromitra coronata 3.35 6H-CC 7H-CC 61.06 N LO Reticulofenestra psuedoumbilica 3.65 3H-CC 4H-CC 32.63 N LO Amaurolithus primus 4.60 5H-CC 6H-CC 51.45 F LO Globorotalia pliozea 4.60 21H-CC 22H-CC 200.13 R LO Lychnocanoma grande 5.00 16H-CC 17H-CC 156.30 R LO Dictyophimus splendeus 5.20 21H-CC 22X-CC 200.13 B LO Bolboforma aculeata 5.30 21H-CC 22X-CC 200.13 D LO Actinocyclus fryxellae 6.70 20H - CC 21H - CC 198.19 N LO Discoaster loeblechii 6.80 23X-3, 44 23X-4, 25 212.00 N LO Amaurolithus delicatus 6.90 23X-CC 24X-1, 120 214.76 D LO Denticulopsis dimorpha 10.70 23X - CC 24X - CC 222.33 F LO Paragloborotalia mayeri 11.40 22X-CC 23X-CC 208.13 N LO Cyclocargolithus floridanus 11.90 24-3, 10 24-4, 35 221.33 R RD Cyrtocapsella tetrapera 12.50 23X-CC 24X-CC 218.30