Table T4. Ages of planktonic foraminifer datum levels from Leg 182.

Event	Zone (base)	Age (Ma)		Reference
T Globorotalia flexuosa		0.07		Joyce et al., 1990
B Bolliella calida		0.22		Chaproniere et al., 1994
T Globoquadrina pseudofoliata		0.22		Chaproniere et al., 1994
B Globorotalia flexuosa		0.40		Joyce et al., 1990
B Globorotalia hirsuta		0.45		Pujol and Duprat, 1983
T Globorotalia tosaensis	Pt1b	0.65		Srinivasan and Sinha, 1992
B Globorotalia crassaformis hessi		0.75		Chaproniere et al., 1994
T Pulleniatina finalis		1.40		Chaproniere et al., 1994
T Globigerinoides fistulosus	Pt1a	1.77		Berggren et al., 1995b
T Globigerinoides extremus		1.77		Berggren et al., 1985b
Pliocene/Pleistocene boundary		1.77
B Globorotalia truncatulinoides		2.00		Zijderveld et al., 1991
B Globorotalia truncatulinoides	(SN14)			Jenkins, 1993
T Globorotalia exilis (Atl.)		2.15		Berggren et al., 1985b
T Globorotalia miocenica	Pl6	2.30		Berggren et al., 1995b
T Neogloboquadrina atlantica		2.41		Weaver and Clement, 1987
T Globorotalia puncticulata (Atl.)		2.41		Zijderveld et al., 1991
T Globorotalia pertenuis		2.60		Berggren et al., 1985b
T Dentoglobigerina altispira	Pl5	3.09		Berggren et al., 1995b
T Globorotalia multicamerata		3.09		Berggren et al., 1985b
T Sphaeroidinellopsis seminulina	Pl4	3.12		Berggren et al., 1995b
B Sphaeroidinella dehiscens sensu strictu		3.12		Weaver and Clement, 1987
B Globorotalia inflata	(SN13)	(3.20)		Jenkins, 1993; Chaproniere et al., 1995
T Globorotalia sp. cf. G. crassula (N. Atl.)		3.25		Berggren et al., 1985b
B Globorotalia pertenuis		3.33		Berggren et al., 1985b
B Globorotalia miocenica (Atl.)		3.45		Berggren et al., 1985b
T Globorotalia margaritae	Pl3	3.58		Berggren et al., 1995b
T Pulleniatina primalis		3.58		Srinivasan and Sinha, 1992
Pulleniatina trans. sinistral-dextral		3.65		Berggren et al., 1985b
T Pulleniatina spectabilis		3.95		Berggren et al., 1985b
T Globoturborotalita nepenthes	Pl2	4.18		Berggren et al., 1995a
B Globorotalia puncticulata		4.20		Berggren et al., 1985b
B Globorotalia crassaformis		4.50		Weaver and Clement, 1987
T Globigerinoides seiglei		4.50		Chaproniere et al., 1994
T Globorotalia cibaoensis	Pl1b	4.60		Berggren et al., 1995b
B Sphaeroidinella dehiscens sensu lato		4.70		Berggren et al., 1985b
B Globorotalia margaritae		5.20		Srinivasan and Sinha, 1992
Miocene/Pliocene		5.25
T Globorotalia tumida		5.32		Srinivasan and Sinha, 1992
B Globorotalia tumida	Pl1a	5.60		Chaproniere et al., 1994
B Globorotalia sphericomiozea		5.60		Srinivasan and Sinha, 1992
B Globorotalia pliozea		5.60		Srinivasan and Sinha, 1992
B Globorotalia pliozea		5.60		Berggren et al., 1985b
B Globorotalia puncticulata	(SN12)	(5.30)		Jenkins, 1993; Chaproniere et al., 1995
B Globorotalia tumida		5.60		Berggren et al., 1985b
T Globoquadrina dehiscens		5.60		Chaproniere et al., 1994
T Globoquadrina dehiscens		5.80		Berggren et al., 1985b
T Globorotalia lenguaensis	M14	6.00		Chaproniere et al., 1994
B Globorotalia margaritae		6.00		Chaproniere et al., 1994
B Neoglob. acostaensis trans. sinistral-dextral		6.00		Chaproniere et al., 1994
B Globorotalia margaritae		6.20		Srinivasan and Sinha, 1992
B Pulleniatina primalis		6.40		Chaproniere et al., 1994
B Globorotalia menardii form 5		6.40		Chaisson and Leckie, 1993
B Neoglob. acostaensis trans. dextral-sinistral		6.40		Srinivasan and Sinha, 1992
B Neoglob. atlantica trans. dextral-sinistral		6.60		Srinivasan and Sinha, 1992
B Globorotalia conomiozea		6.80		Spiegler and Jansen, 1989
B Globorotalia conomiozea	(SN11)	(7.12)		Jenkins, 1993; Chaproniere et al., 1995
B Globorotalia menardii form 5		7.12		Krijgsman et al., 1994
T Globorotalia menardii form 4		7.20		Krijgsman et al., 1994
B Globorotalia suterae		7.40		Krijgsman et al., 1994
B Globorotalia cibaoensis		7.80		Glacon et al., 1990
B Globorotalia juanai		7.80		Chaisson and Leckie, 1993
B Candeina nitida		8.10		Chaisson and Leckie, 1993
B Glds. extremus/Glt. plesiotumida	M13b	8.30		Berggren et al., 1995b
T Neogloboquadrina continuosa	(SN10)			Jenkins, 1993
B Neogloboquadrina humerosa		8.50		Berggren et al., 1985b
B Neogloboquadrina pachyderma		9.20		Berggren, 1992
T Neogloboquadrina nympha		10.10		Berggren, 1992
T Neogloboquadrina nympha	(SN9)			Jenkins, 1993
B Neogloboquadrina acostaensis	M13	10.90		Berggren et al., 1995b
B Neogloboquadrina acostaensis		10.90		Miller et al., 1991
T Neogloboquadrina mayeri	M12	11.40		Miller et al., 1994
T Neogloboquadrina mayeri	(SN8)			Jenkins, 1993
B Globoturborotalita nepenthes	M11	11.80		Blow, 1979
B Globoturborotalita nepenthes		11.80		Miller et al., 1994
T Globorotalia panda		11.80		Berggren, 1993
T Globorotalia fohsi robusta	M10	11.90		Berggren et al., 1985b
T Globorotalia praescitula		11.90		Berggren, 1992
T Globorotalia fohsi lobata		12.10		Wright and Miller, 1992
B Neogloboquadrina mayeri	(SN7)	(12.10)		Jenkins, 1993; Chaproniere et al., 1995
B Globorotalia fohsi robusta	M9b	12.30		Berggren, 1992
T Tenuitella clemenciae		12.30		Li et al., 1992
T Tenuitella minutissima		12.30		Li et al., 1992
T Tenuitella pseudoedita		12.30		Li et al., 1992
T Tenuitella selleyi		12.30		Li et al., 1992
B Globorotalia fohsi lobata	M9a	12.50		Wright and Miller, 1992
B Globorotalia fohsi sensu stricto	M8	12.70		Wright and Miller, 1992
B Globorotalia praefohsi		12.70		Wright and Miller, 1992
B Neogloboquadrina nympha		13.40		Berggren, 1992
T Globorotalia peripheroronda		14.60		Berggren et al., 1985b
B Globorotalia peripheroacuta	M7	14.80		Berggren et al., 1995a
T Praeorbulina sicana		14.80		Berggren et al., 1985b
T Praeorbulina glomerosa sensu stricto		14.80		Berggren et al., 1985b
B Orbulina suturalis	M6	15.10		Berggren et al., 1985b
B Orbulina suturalis	(SN6)			Jenkins, 1993
T Globorotalia miozea		15.90		Berggren, 1992
B Praeorbulina circularis		16.00		Berggren et al., 1985b
B Praeorbulina glomerosa	M5b	16.10		Berggren et al., 1995a
B Praeorbulina glomerosa	(SN5)			Jenkins, 1993
B Globigerinoies diminutus		16.10		Berggren et al., 1985b
B Praeorbulina curva		16.30		Berggren et al., 1985b
B Praeorbulina sicana	M5	16.40		Berggren et al., 1985b
T Globorotalia incognita		16.40		Berggren, 1992
B Globorotalia birnageae	M4b	16.70		Berggren et al., 1995a
B Globorotalia miozea		16.70		Berggren, 1992
B Globorotalia birnageae		16.70		Berggren et al., 1985b
T Catapsydrax dissimilis	M4	17.30		Berggren et al., 1985b
T Globorotalia zealandica		17.30		Li et al., 1992
T Globorotalia semivera		17.30		Berggren et al., 1985b
T Globoquadrina dehiscens forma spinosa		17.90		Berggren et al., 1985b
B Globorotalia praescitula		18.50		Miller et al., 1994
B Globorotalia insueta	M3	18.80		Berggren et al., 1995a
B Globigerinoides trilobus	(SN4)			Jenkins, 1993
B Globigerinoides altiaperturus		20.50		Montanari et al., 1991
B Globoturborotalita connecta	(SN3)	(20.9)		Jenkins, 1993; Chaproniere et al., 1995
T Tenuitella munda		21.40		Li et al., 1992
T Globorotalia kugleri	M2	21.50		Montanari et al., 1991
B Globorotalia incognita		21.60		Berggren, 1992
T Globoturborotalita angulisuturalis		21.60		Berggren et al., 1985b
T Globorotalia pseudokugleri		21.60		Berggren et al., 1985b
B Globoquadrina dehiscens forma spinosa		22.20		Berggren et al., 1985b
B Globoturborotalita woodi	(SN2)	(22.6)		Jenkins, 1993; Chaproniere et al., 1995
T Globoquadrina globularis		22.80		Berggren et al., 1985b
B Globoquadrina dehiscens	M1b	23.20		Berggren et al., 1985a
B Globoquadrina dehiscens	(SN1)			Jenkins, 1993; Chaproniere et al., 1995
B Globorotalia kugleri	M1	23.80		Berggren et al., 1985a
B Globorotalia mendacis		23.80		Berggren et al., 1985a
Oligocene/Miocene boundary		23.80
T Globigerina euapertura		23.80		Berggren, 1992
T Tenuitella gemma		24.30		Li et al., 1992
FCO Globigerinoides primordius		24.30		Berggren et al., 1985a
B Globorotalia pseudokugleri		25.90		Leckie et al., 1993
B Globigerinoides primordius		26.70		Leckie et al., 1993
T Paragloborotalia opima opima	P22	27.10		Berggren et al., 1985a
T Globigerina labiacrassata		27.10		Berggren, 1992
LCO Chiloguembelina cubensis	P21b	28.50		Li et al., 1992
T Chiloguembelina cubensis	(SP15)			Jenkins, 1993
B Globigerina angulisuturalis	P21	28.50		Blow, 1969
B Globigerinita boweni		28.50		Li et al., 1992
B Globigerina angulisuturalis	P21a	29.40		Leckie et al., 1993
B Tenuitellinata juvenilis		29.70		Li et al., 1992
T Subbotina angiporoides		30.00		Berggren, 1992
T Subbotina angiporoides	(SP14)			Jenkins, 1993
T Turborotalia ampliapertura	P20	30.30		Miller et al., 1993
B Paragloborotalia opima opima		30.60		Berggren et al., 1985a
T Subbotina brevis	(SP13)	(31.5)		Jenkins, 1993; Chaproniere et al., 1995
T Pseudohastigerina spp.	P19	32.00		Miller et al., 1993
B Subbotina brevis	(SP12)	(33.4)		Jenkins, 1993; Chaproniere et al., 1995
B Cassigerinella chipolensis		33.65		Miller et al., 1993
Eocene/Oligocene boundary		33.70
T Hantkenina spp.		33.70		Coccioni et al., 1988
T Turborotalia cerroazulensis	P18	33.80		Coccioni et al., 1988
T Cribrohantkenina inflata	P17	34.00		Coccioni et al., 1988
T Globigerapsis index		34.30		Berggren, 1992
B Turborotalia cunialensis	P16	35.20		Coccioni et al., 1988
T Turborotalia pomeroli		35.30		Premoli-Silva et al., 1988
T Porticulasphaera semiinvoluta		35.30		Premoli-Silva et al., 1988
B Cribrohantkenina inflata		35.50		Coccioni et al., 1988
T Acarinina spp.		37.50-38.50		Nocchi et al., 1986
T Acarinina aculeata	(SP11)	(36.7)		Jenkins, 1993; Chaproniere et al., 1995
T Acarinina collactea		37.70		Berggren et al., 1985a
T Subbotina linaperta		37.70		Berggren, 1992
T Morozovella spinulosa		38.10		Berggren et al., 198a5
B Porticulasphaera semiinvoluta	P15	38.40		Nocchi et al., 1986
T Planorotalites spp.		38.50		Nocchi et al., 1986
T Acarinina primitiva		39.00		Stott and Kennett, 1990
T Subbotina frontosa		39.30		Berggren et al., 1985a
T Globigerinapsis beckmanni	P14	40.10		Berggren et al., 1985a
B Globigerinapsis beckmanni	P13	40.50		Berggren et al., 1985a
T Acarinina bullbrooki		40.50		Berggren et al., 1985a
B Chiloguembelina cubensis	(SP10)	(41.2)		Jenkins, 1993; Chaproniere et al., 1995
B Turborotalia pomeroli		42.40		Berggren et al., 1985a
B Globigerapsis index		42.90		Berggren et al., 1985a
B Globigerapsis index	(SP9)			Jenkins, 1993
B Morozovella lehneri		43.50		Berggren et al., 1985a
T Morozovella aragonensis	P12	43.60		Berggren et al., 1985a
B Globigerinapsis kugleri	P11	45.80		Berggren et al., 1995a
B Turborotalia possagnoensis		46.00		Berggren et al., 1995a
T Morozovella crater	(SP8)	(48.8)		Jenkins, 1993; Chaproniere et al., 1995
B Hantkenina nutalli	P10	49.00		Berggren et al., 1985a
B Planorotalites palmerae	P9	50.40		Berggren et al., 1985a
T Morozovella formosa	P8	50.80		Berggren, 1969
B Acarinina pentacamerata		50.80		Stott and Kennett, 1990
B Morozovella aragonensis	P7	52.30		Berggren et al., 1995a
T Morozovella marginodentata		52.50		Berggren et al., 1995a
T Morozovella lensiformis		52.70		Berggren et al., 1995a
T Subbotina velascoensis		53.50		Berggren et al., 1995a
T Morozovella aequa		53.60		Berggren et al., 1995a
B M. formosa formosa/M. lensiformis	P6b	54.00		Berggren and Miller, 1988
B Morozovella crater	(SP7)	(54.0)		Jenkins, 1993; Chaproniere et al., 1995
B Morozovella lensiformis		54.00		Berggren et al., 1995a
T Morozovella velascoensis	P6	54.70		Berggren et al., 1995a
Paleocene/Eocene boundary		54.70

Notes: T = top, B = base, Atl. = Atlantic, N. Atl. = North Atlantic, trans. = transition, LCO = least common occurrence. Citations mainly from Berggren et al. (1995a, 1995b). Parentheses in "Zone" column indicate zones taken from Jenkins (1993). Parentheses in "Age" column indicate dates taken from Chaproniere et al. (1995).