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Table T1. Age estimates of Cenozoic calcareous nannofossil datum events, Expedition 330.

Biostratigraphic event Age
(Ma)
Zone/Subzone
base
Reference
B Emiliania huxleyi 0.29 CN15 Lourens et al., 2004
T Pseudoemiliania lacunosa 0.44 CN14b Lourens et al., 2004
Tc Reticulofenestra asanoi 0.91   Lourens et al., 2004
Br Gephyrocapsa (>4 µm) 1.01   Lourens et al., 2004
Bc Reticulofenestra asanoi 1.14   Lourens et al., 2004
T Gephyrocapsa (>5.5 µm) 1.26   Lourens et al., 2004
T Helicosphaera sellii 1.34   Lourens et al., 2004
B Gephyrocapsa (>5.5 µm) 1.56   Lourens et al., 2004
T Calcidiscus macintyrei 1.61   Lourens et al., 2004
B Gephyrocapsa (>4 µm) 1.69   Lourens et al., 2004
T Discoaster brouweri 1.93 CN13 Lourens et al., 2004
Bc Discoaster triradiatus 2.14   Lourens et al., 2004
T Discoaster pentaradiatus 2.39 CN12d Lourens et al., 2004
T Discoaster surculus 2.49 CN12c Lourens et al., 2004
T Discoaster tamalis 2.80 CN12b Lourens et al., 2004
T Sphenolithus spp. 3.54   Lourens et al., 2004
T Reticulofenestra pseudoumbilicus 3.70 CN12a Lourens et al., 2004
T Ceratolithus acutus 5.04   Lourens et al., 2004
B Ceratolithus rugosus 5.05   Lourens et al., 2004
T Triquetrorhabdulus rugosus 5.28 CN10c Lourens et al., 2004
B Ceratolithus larrymayeri 5.34   Lourens et al., 2004
B Ceratolithus acutus 5.35 CN10b Lourens et al., 2004
T Discoaster quinqueramus 5.58 CN10a Lourens et al., 2004
Tc Nicklithus amplificus 5.98   Lourens et al., 2004
X Nicklithus amplificus/T. rugosus 6.79   Lourens et al., 2004
B Nicklithus amplificus 6.91   Lourens et al., 2004
B Amaurolithus spp. 7.36   Lourens et al., 2004
B Discoaster berggrenii 8.29 CN9a Lourens et al., 2004
T Catinaster calyculus 9.67   Lourens et al., 2004
T Discoaster hamatus 9.69 CN8 Lourens et al., 2004
T Catinaster coalitus 9.69   Lourens et al., 2004
B Discoaster hamatus 10.55 CN7 Lourens et al., 2004
T Coccolithus miopelagicus 10.60   Raffi et al., 2006
B Catinaster calyculus 10.76   Lourens et al., 2004
B Catinaster coalitus 10.89 CN6 Lourens et al., 2004
Tc Discoaster kugleri 11.58   Lourens et al., 2004
Bc Discoaster kugleri 11.86 CN5b Lourens et al., 2004
T Coronocyclus nitescens 12.12   Lourens et al., 2004
T Calcidiscus premacintyrei 12.45   Lourens et al., 2004
Tc Cyclicargolithus floridanus 13.33   Lourens et al., 2004
T Sphenolithus heteromorphus 13.53 CN5a Lourens et al., 2004
T Helicosphaera ampliaperta 14.91 CN4 Lourens et al., 2004
Tc Discoaster deflandrei 15.66   Raffi et al., 2006
B Discoaster petaliformis* 15.70   Raffi et al., 2006
Bc Sphenolithus heteromorphus 17.71 CN3 Lourens et al., 2004
Tc Sphenolithus belemnos 17.95   Lourens et al., 2004
T Triquetrorhabdulus carinatus 18.28   Lourens et al., 2004
B Sphenolithus belemnos 19.03 CN2 Lourens et al., 2004
B Helicosphaera ampliaperta 20.43   Lourens et al., 2004
X Helicosphaera euphratis/H. carteri 20.92   Lourens et al., 2004
Tc Triquetrorhabdulus carinatus 22.09   Raffi et al., 2006
B Sphenolithus disbelemnos 22.76   Lourens et al., 2004
T Sphenolithus delphix 23.1   Lourens et al., 2004
B Sphenolithus delphix 23.2   Lourens et al., 2004
T Sphenolithus ciperoensis 24.4 CN1 Blaj et al., 2009
X Triquetrorhabdulus longus/T. carinatus 24.7   Blaj et al., 2009
Tc Cyclicargolithus abisectus 24.7   Lyle, Wilson, Janacek, et al., 2002
T Sphenolithus distentus 26.8 CP19b Blaj et al., 2009
T Sphenolithus predistentus 26.9   Blaj et al., 2009
B Sphenolithus ciperoensis 27.1 CP19a Blaj et al., 2009
T Sphenolithus pseudoradians 28.8   Berggren et al., 1995
B Sphenolithus distentus 30.0 CP18 Blaj et al., 2009
T Reticulofenestra umbilicus (>14 µm) 32.0 CP17 Blaj et al., 2009
T Isthmolithus recurvus 32.5   Villa et al., 2008
T Coccolithus formosus 32.9 CP16c Blaj et al., 2009
T Discoaster saipanensis 34.4 CP16a Blaj et al., 2009
T Discoaster barbadiensis 34.8   Blaj et al., 2009
T Reticulofenestra reticulata 35.2   Backman, 1987
B Isthmolithus recurvus 36.6 CP15b Backman, 1984
B Chiasmolithus oamaruensis 37.0   Berggren et al., 1995
T Chiasmolithus grandis 37.1 CP15a Backman, 1987
B Dictyococcites bisectus (>10 µm) 38.0   Berggren et al., 1995
T Chiasmolithus solitus 40.4 CP14b Berggren et al., 1995
B Reticulofenestra reticulata 42.0   Berggren et al., 1995
T Nannotetrina spp. 42.3   Backman, 1987
B Reticulofenestra umbilicus (>14 µm) 42.5   Backman, 1987
T Nannotetrina fulgens 43.4   Backman, 1984
T Chiasmolithus gigas 44.0 CP13c Backman, 1984
B Sphenolithus furcatolithoides 45.8   Jovane et al., 2007
B Chiasmolithus gigas 46.1 CP13b Agnini et al., 2006
B Nannotetrina fulgens 46.8 CP13a Agnini et al., 2006
B Nannotetrina cristata 48.0   Agnini et al., 2006
T Discoaster lodoensis 48.4   Agnini et al., 2006
B Discoaster sublodoensis (5 rayed) 49.5 CP12 Agnini et al., 2006
B Dictyococcites/Reticulofenestra 50.7   Agnini et al., 2006
T Tribrachiatus orthostylus 50.7 CP11 Agnini et al., 2006
B Girgisia gammation 52.8   Agnini et al., 2007
B Discoaster lodoensis 53.1 CP10 Agnini et al., 2007
T Tribrachiatus contortus 53.5 CP9b Agnini et al., 2007
B Sphenolithus radians 53.5 CP9b Agnini et al., 2007
B Tribrachiatus orthostylus 53.7   Agnini et al., 2007
B Discoaster diastypus 54.1   Agnini et al., 2007
T Fasciculithus spp. 54.7   Agnini et al., 2007
B Rhomboaster bramlettei 55.0 CP9a Agnini et al., 2007
B Rhomboaster spp. 55.0   Agnini et al., 2007
T Ericsonia robusta 55.9   Agnini et al., 2007
B Discoaster multiradiatus 56.0 CP8 Agnini et al., 2007
B Discoaster okadai 56.2   Agnini et al., 2007
B Discoaster nobilis 56.2 CP7 Agnini et al., 2007
B Discoaster backmanii 56.9   Agnini et al., 2007
B Discoaster mohleri 57.6 CP6 Agnini et al., 2007
B Fasciculithus clinatus 57.7   Agnini et al., 2007
B Heliolithus kleinpellii 58.0 CP5 Agnini et al., 2007
B Sphenolithus anarrhopus 58.1   Agnini et al., 2007
B Heliolithus cantabriae 58.3   Agnini et al., 2007
B Fasciculithus tympaniformis 59.9 CP4 Agnini et al., 2007
B Ellipsolithus macelllus 62.2 CP3 Berggren et al., 1995
B Chiasmolithus danicus 63.8 CP2 Berggren et al., 1995
B Cruciplacolithus tenius 64.5 CP1b Berggren et al., 1995
B Cruciplacolithus primus   CP1a Berggren et al., 1995
B Biantholithus sparsus   CP1 Berggren et al., 1995

B = base, T = top, Tc = top common, Bc = base common, Br = base reentrance, X = abundance crossover. * = Discoaster signus in Raffi et al. (2006).

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