"Table 4. Planktonic foraminifer datums, absolute ages, and depths at Site 999." "Note: Zone names in parentheses indicate that a secondary taxon is approximating age of the base. FO = first occurrence, LO = last occurrence." Event Zone (base) Age (Ma) "Core, section, interval (cm)" Depth (mbsf) Hole 999A: LO Globigerinoides obliquus 1.3 4H-CC to 5H-CC 41.19 FO Truncorotalia truncatulinoides N22 2 7H-CC to 8H-CC 69.78 LO Menardella miocenica 2.3 8H-CC to 9H-CC 79.33 LO Menardella multicamerata 3 10H-CC to 11H-CC 98.35 LO Dentoglobigerina altispira 3 10H-CC to 11H-CC 98.35 FO Menardella miocenica N21/N20 3.6 10H-CC to 11H-CC 98.35 LO Hirsutella margaritae 3.6 10H-CC to 11H-CC 98.35 LO Globorotalia plesiotumida 4.4 13H-CC to 14H-CC 126.91 FO Menardella exilis 4.5 13H-CC to 14H-CC 126.91 FO Truncorotalia crassaformis 4.7 14H-CC to 15H-CC 136.43 LO Hirsutella cibaoensis 5 14H-CC to 15H-CC 136.43 FO Sphaeroidinella dehiscens N19 5.6 17H-CC to 18H-CC 164.76 FO Hirsutella margaritae 6 17H-CC to 18H-CC 164.76 FO Globigerinoides conglobatus 6.2 19H-CC to 20H-CC 183.88 FO Hirsutella cibaoensis 7.7 23X-CC to 24X-CC 215.28 FO Globigerinoides extremus 8 25XCC to 26X-CC 234.4 FO Candeina nitida 8 25XCC to 26X-CC 234.4 FO Globorotalia plesiotumida N18/N17 8.2 25XCC to 26X-CC 234.4 FO Neogloboquadrina acostaensis 10 27X-CC to 28X-CC 253.55 LO Paragloborotalia mayeri N16/N15 10.3 "30X-1, 42-44 to 30X-2, 43-45" 269.19 LO Fohsella fohsi N14/N13 11.8 32X-CC to 33X-CC 300.99 FO Fohsella fohsi N12 13.5 34X-CC to 35X-CC 320.88 FO Fohsella praefohsi N11 14 37X-CC to 38X-CC 349.46 FO Fohsella peripheroacuta N10 14.8 37X-CC to 38X-CC 349.46 FO Orbulina universa 15.1 33X-CC to 34X-CC 311.07 FO Praeorbulina sicana N9/N8 16.4 44X-CC to 45X-CC 416.95 LO Catapsydrax dissimilis N7 17.3 48X-CC to 49X-CC 454.38 Hole 999B: FO Paragloborotalia kugleri N4 23.8 8R-CC to 9R-CC 605.96 FO Globigerinoides primordius 26.7 11R-CC to 12R-CC 633.59 LO Paragloborotalia opima P22 27.1 11R-CC to 12R-CC 633.59 LO Ch. cubensis (common) P21b 28.5 15R-CC to 16R-CC 670.69 LO Turborotalia ampliapertura P21a/P20 30.3 16R-CC to 18R-CC 675.57 FO Paragloborotalia opima 30.6 16R-CC to 18R-CC 675.57 LO Pseudohastigerina spp. P19 32 22R-CC to 23R-CC 710.92 LO Turborotalia cerroazulensis P18 33.8 25R-CC to 26R-CC 740.14 LO Turborotalia pomeroli 35.3 27R-CC to 28R-CC 759.47 LO Porticulasphaera semiinvoluta 35.3 27R-CC to 28R-CC 759.47 LO Morozovella spinulosa 38.1 33R-CC to 34R-CC 817.08 FO Porticulasphaera semiinvoluta P15 38.4 28R-CC to 29R-CC 769.28 LO Acarinina primitiva 39 28R-CC to 29R-CC 769.28 LO Globigerapsis beckmanni P14 40.1 29R-CC to 30R-CC 777.78 FO Globogerapsis beckmanni P13 40.5 30R-CC to 31R-CC 786.13 FO Globigerapsis index 42.9 42R-CC to 43R-CC 894.28 LO Morozovella aragonensis P12 43.6 36R-CC to 37R-CC 843.6 FO Globigerapsis kugleri P11 45.8 40R-CC to 41R-CC 883.7 FO Acarinina pentacamerata (P8) 50.8 "48R-CC to 49R-4, 68-70" 951.84 FO Morozovella aragonensis P7 52.3 "48R-CC to 49R-4, 68-70" 951.84 LO Morozovella marginodentata 52.5 "48R-CC to 49R-4, 68-70" 951.84 LO Morozovella lensiformis 52.7 "49R-4, 68-70 to 49R-CC" 956.56 LO Morozovella aequa 53.6 "48R-CC to 49R-4, 68-70" 951.84 FO Morozovella formosa P6b 54 49R-CC to 50R-CC 963.14 FO Morozovella lensiformis 54 49R-CC to 50R-CC 963.14 LO Morozovella velascoensis P6a 54.7 "49R-CC to 50R-4, 82-84" 961.41 LO Morozovella acuta 54.7 "48R-CC to 49R-4, 68-70" 951.84 FO Morozovella gracilis 54.7 (54.9) "51R-6, 12-14 to 51R-CC" 976.47 FO Igorina broedermanni 54.7 "51R-CC to 52R-1, 26-28" 977.64 FO Morozovella subbotinae 55.9 "52R-1, 26-28 to 52R-2, 144-146" 979.71 LO Globanomalina pseudomenardii P5 55.9 54R-CC to 55R-CC 1010.97 LO Acarinina nitida 56.3 52R-CC to 53R-CC 992.08 FO Acarinina soldadoensis P4c 56.5 53R-CC to 54R-CC 1001.47 FO Morozovella aequa 56.5 55R-CC to 56R-CC 1021.56 FO Morozovella velascoensis 60 55R-CC to 56R-CC 1021.56 FO Igorina albeari P4b-P3b 60 55R-CC to 56R-CC 1021.56 FO Morozovella angulata P3a 61 56R-CC to 57R-CC 1030.35 FO Praemurica uncinata P2 61.2 57R-CC to 58R-CC 1038.5 FO Praemurica inconstans 63 57R-CC to 58R-CC 1038.5 FO Subbotina triloculinoides P1b 64.3 "58R-CC to 59R-2, 122-123" 1044.87 LO Parvularugoglobigerina eugubina P1a 64.7 (64.9) "59R-2, 122-123 to 59R-CC" 1048.75 FO Woodringina claytonensis 64.97 "59R-2, 122-123 to 59R-CC" 1048.75 LO Most Cretaceous taxa Palpha/P0 65 "60R-1, 0-1 to 60R-1, 21" 1050.21