Table EXP-C-1. Age estimates of calcareous nannofossil datum events. (See table notes. Continued on next page.) 						
Species event		Zone/Subzone (base)	Age			
(Ma)	Reference	Age				
(Ma)	Reference					

B	Emiliania huxleyi	CN15/NN21		0.26		1
T	Pseudoemiliania lacunosa	CN14b/NN20		0.46		1
B	Gephyrocapsa parallela (= reentrance medium G)			0.95		2
B	Medium Gephyrocapsa	CN13b		1.69		2

Pliocene/Pleistocene boundary				1.81		3

T	Discoaster brouweri	CN13a/NN19		1.95		2
T	Discoaster pentaradiatus	CN12d/NN18		2.52		4
T	Discoaster surculus	CN12c/NN17		2.63		4
T	Discoaster tamalis	CN12b+c		2.83		4
T	Sphenolithus spp.	CN12aB*		3.66		5
T	Reticulofenestra pseudoumbilicus	CN12aA*/NN16		3.8		5
T	Amaurolithus spp.	CN11		4.56		5
T	Ceratolithus acutus	CN10c/NN13		5.05		6
B	Ceratolithus rugosus	CN10c/NN13		5.1		6
T	Triquetrorhabdulus rugosus			5.23		6

Miocene/Pliocene boundary				5.33		7

B	Ceratolithus acutus	CN10b		5.37		6
T	Discoaster quinqueramus	CN10a/NN12		5.54		6
T	Nicklithus amplificus	CN9bC*		6		6
B	Nicklithus amplificus	CN9bB*		6.84		6
B	Amaurolithus primus	CN9bA*		7.39		6
B	Discoaster berggrenii	CN9a/NN11		8.28		6
B	Discoaster loeblichii	CN8b		8.43		5
T	Discoaster hamatus	CN8a/NN10		9.63		6			
T	Catinaster calyculus			9.64		6			
T	Catinaster coalitus			9.69		6			
B	Discoaster neohamatus			10.45		6			
B	Discoaster hamatus	CN7a/NN9		10.48		6			
B	Catinaster coalitus	CN6/NN8		10.79		6			
TC	Discoaster kugleri			11.6		6			
BC	Discoaster kugleri	CN5b/NN7		11.88		6			
B	Triquetrorhabdulus rugosus			12.81		5			
T	Cyclicargolithus floridanus			13.19		5			
T	Sphenolithus heteromorphus	CN5a/NN6		13.55		8			
T	Helicosphaera ampliaperta	CN4/NN5		15.8		9	15.1		8
T	Acme Discoaster deflandrei			16.2		5	16.07		8
B	Discoaster signus			16.2		5			
B	Sphenolithus heteromorphus	CN3		18.1		9	17.7		8
T	Sphenolithus belemnos	CN3/NN4		18.4		9	17.94		8
T	Triquetrorhabdulus carinatus	NN3		19.6	?				
B	Sphenolithus belemnos	CN2		19.7		9	18.9		8
X	Helicosphaera euphratis/Helicosphaera carteri					20.8	8		
T	Acme Triquetrorhabdulus carinatus			22.9	?				
B	Discoaster druggii	CN1c/NN2		23.2		10			
B	Sphenolithus disbelemnos			23.5		8	22.67		8

Oligocene/Miocene boundary				23.8		10	22.9		8

T	Sphenolithus delphix			23.7		8	22.98		8
B	Sphenolithus delphix			24.4		8	23.24		8
T	Sphenolithus ciperoensis	CN1a		24.7		8	24.14		8
T	Acme Cyclicargolithus abisectus 	CN1b		25.5	?				
T	Sphenolithus distentus	CP19b/NP25		26.5		11			
B	Sphenolithus ciperoensis	CP19a/NP24		28.1		11			
T	Discoaster pseudoradians			29.1		10			
B	Sphenolithus distentus	CP18		30.4		11
T	Reticulofenestra umbilicus ?14 ?m	CP17/NP23		31.7		12
T	Acme Ericsonia obruta 	CP16b		32.2		12
T	Isthmolithus recurvus			32.7		12
T	Ericsonia formosa	CP16c/NP22		32.9		12
B	Acme Ericsonia obruta 			33.7		12

Eocene/Oligocene boundary				33.7		10

T	Discoaster saipanensis	CP16a/NP21		34		12
T	Discoaster barbadiensis	CP16a		34.2		12
T	Cribrocentrum reticulatum			34.9		12
T	Calcidiscus protoannulus			35.4		12
B	Isthmolithus recurvus	NP19		36.6		12
B	Chiasmolithus oamaruensis	NP18		37		10
T	Chiasmolithus grandis	CP15		37.1		12
B	Dictyococcites bisectus			38.5		13
B	Dictyococcites hesslandii			40.3		12
T	Chiasmolithus solitus	CP14b/NP17		40.4		10
T	Nannotetrina spp.			42.3		12
B	Reticulofenestra umbilicus ?14 ?m	CP14a		42.5		12
T	Blackites gladius	NP16		43.4		10
T	Nannotetrina fulgens			43.4		14
T	Chiasmolithus gigas	CP13c		44		14
B	Chiasmolithus gigas	CP13b		46.1		10
B	Nannotetrina fulgens	CP13a/NP15		47		14
T	Discoaster sublodoensis			47.2		14
B	Nannotetrina spp.			47.8		14
T	Discoaster lodoensis			48		14
B	Rhabdosphaera inflata	CP12b		48.5		10
B	Discoaster sublodoensis	CP12a/NP14		49.3		14
T	Tribrachiatus orthostylus	NP13		51		14
B	Toweius crassus	CP11		51.5		10		
B	Discoaster lodoensis	CP10/NP12		52.4		14		
T	Discoaster multiradiatus			53		14		
B	Sphenolithus radians			53.3		14		
X	Tribrachiatus contortus/Tribrachiatus orthostylus	CP9b/NP11		53.4		14	53.4	?
X	Tribrachiatus bramlettei/Tribrachiatus contortus			53.7		14	53.875	?
B	Discoaster diastypus	CP9a		53.9		14		
B	Tribrachiatus bramlettei	CP9a/NP10		53.9		14	54.359	?
B	Rhomboaster cuspis			54.1		14		
T	Fasciculithus spp.			54.1		14		

Paleocene/Eocene boundary				55		15		

B	Campylosphaera eodela	CP8b		55.5		10		
B	Discoaster multiradiatus	CP8a/NP9		56.2		14		
B	Discoaster okadai			56.4		14		
B	Discoaster nobilis	CP7		56.5		14
B	Heliolithus riedelii	NP8		57.3		10
B	Discoaster mohleri	CP6/NP7		57.5		14
B	Heliolithus kleinpellii	CP5/NP6		58.2		14
B	Sphenolithus anarrhopus			58.4		10
B	Heliolithus cantabriae			58.8		14
B	Fasciculithus pileatus			59.3		14
B	Fasciculithus tympaniformis	CP4/NP5		59.7		10
B	Fasciculithus spp.			60		14
B	Sphenolithus spp.			60.7		14


"Notes: B = base, T = top, TC = top common, BC = base common, X = abundance cross-over. Bold = astrochronologically tuned datums. References: 1 = Thierstein et al., 1977; 2 = Raffi et al., 1993; 3 = Lourens et al., 1996; 4 = Tiedemann et al., 1994; 5 = Raffi and Flores, 1995; 6 = Backman and Raffi, 1997; 7 = Van Couvering et al., 2000; 8 = Shackleton et al., 1999; 9 = Backman et al. 1990; 10 = Berggren et al., 1995a; 11 = Olafsson and Villa, 1992; 12 = Backman 1987; 13 = Monechi and Thierstein, 1985; 14 = Backman, 1986; 15 = carbon isotope excursion calibrated by astronomically tuning at ODP Site 1051 (Norris and Rohl, 1999). * = further subdivision of Subzones (CN12aB, etc.) according to Bukry (1991) and Raffi and Flores (1995). ? = age estimate derived through calibration to magnetostratigraphy at Site 1218. ? = age estimate derived through counting of precessional cycles at Site 1215."						
Table EXP-C-1 (continued).