Table T2.
Calcareous nannofossil datums used during Leg 181.
Age
(Ma)
Nannofossil
events
References
0.085
Bottom acme Emiliania
huxleyi
Berggren et al. (1995a)
0.16
LO Helicosphaera
inversa
Sato and Kameo (1996)
0.24
FO Emiliania huxleyi
Naish et al. (1998)
0.42
LO Pseudoemiliania
lacunosa
Sato and Kameo (1996)
0.78
Top acme Gephyrocapsa
parallela
Matsuoka and Okada (1989)
0.85
LO Reticulofenestra
asanoi
Sato and Kameo (1996)
0.90
Top dominance Gephyrocapsa
(small)
Young et al. (1994)
0.95
FO Gephyrocapsa
parallela
Sato and Kameo (1996)
1.14
Bottom dominance Gephyrocapsa
(small)
Young et al. (1994)
1.16
FO Reticulofenestra
asanoi
Sato and Kameo (1996)
1.20
LO Gephyrocapsa (large)
Sato and Kameo (1996)
1.26
LO Helicosphaera
sellii
Sato and Kameo (1996)
1.44
FO Gephyrocapsa (large)
Sato and Kameo (1996)
1.60
LO Calcidiscus
macintyrei
Raffi et al. (1993)
1.67
FO Gephyrocapsa (medium)
Raffi and Flores (1995)
1.96
LO Discoaster brouweri
Raffi and Flores (1995)
2.30
LO Discoaster
pentaradiatus
Wei (1993)
2.61
LO Discoaster surculus
Raffi and Flores (1995)
2.76
LO Discoaster tamalis
Raffi and Flores (1995)
3.54
LO Sphenolithus
neoabies
Spencer-Cervato et al.
(1994)
3.82
LO Reticulofenestra
pseudoumbilicus
Raffi and Flores (1995)
~3.88
Acme Gephyrocapsa
(small)
Rio (1992)
4.0
FO Pseudoemiliania
lacunosa
Gartner (1990)
4.13
FO Discoaster
asymmetricus
Shackleton et al. (1995)
5.56
LO Discoaster
quinqueramus
Raffi and Flores (1995)
7.39
FO Amaurolithus primus
Backman and Raffi (1997)
7.73
LO Minylitha convallis
Shackleton et al. (1995)
9.34
FO Minylitha convallis
Raffi and Flores (1995)
9.64
LO Cantinaster
calyculus
Backman and Raffi (1997)
10.5
FO Discoaster bellus
Gartner (1992)
10.79
FO Cantinaster
coalitus
Backman and Raffi (1997)
10.94
LO Coccolithus
miopelagicus
Backman and Raffi (1997)
12.34
FO Calcidiscus
macintyrei
Raffi and Flores (1995)
12.65
LO Calcidiscus
premacintyrei
Raffi and Flores (1995)
13.19
LO Cyclicargolithus
floridanus
Raffi and Flores (1995)
13.52
LO Sphenolithus
heteromorphus
Backman and Raffi (1997)
16.21
LO acme Discoaster
deflandrei
Raffi and Flores (1995)
17.40
FO Calcidiscus
premacintyrei
Backman and Raffi (1997)
17.80
LO Sphenolithus
dissimilis
Gartner (1992)
18.20
FO Calcidiscus
leptoporus
Gartner (1992)
18.30
LO Sphenolithus
belemnos
Berggren et al. (1995b)
18.60
FO Sphenolithus
heteromorphus
Backman et al. (1990)
19.20
FO Sphenolithus
belemnos
Berggren et al. (1995b)
19.80
FO Geminilithella
rotula
Young et al. (1994)
22.30
LO Ilselithina fusa
Gartner (1992)
23.20
FO Discoaster druggii
Berggren et al. (1995b)
23.6
LO Sphenolithus
umbrellus
Berggren et al. (1995b)
23.9
LO Dictyococcites
bisectus
Berggren et al. (1995b)
24.3
LO Sphenolithus
delphix
Berggren et al. (1995b)
26.1
LO Chiasmolithus altus
Berggren et al. (1995b)
27.5
FO Sphenolithus
distentus
Berggren et al. (1995b)
31.3
LO Reticulofenestra
umbilicus
Morgans et al. (1996)
32.8
LO Ericsonia formosa
Berggren et al. (1995b)
33.30
Acme Clausicoccus
subdistichus
Berggren et al. (1995b)
~34.6
LO Discoaster
saipanensis
Berggren et al. (1995b)
35.5
FO Isthmolithus
recurvus
Morgans et al. (1996)
38.0
FO Dictyococcites
bisectus
Berggren et al. (1995b)
58.3
LO Hornibrookina
teuriensis
Berggren et al. (1995b)
59.7
FO Fasciculites
tympaniformis
Morgans et al. (1996)
60.6
FO Sphenolithus primus
Berggren et al. (1995b)
60.7
FO Chiasmolithus
bidens
Berggren et al. (1995b)
64.5
FO Cruciplacolithus
tenuis
Berggren et al. (1995b)
64.9
FO Hornibrookina
teuriensis
Berggren et al. (1995b)
65.0
LO Micula spp.
Berggren et al. (1995b)
Note: This table is also available in ASCII format.