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Table T7. Calibrated Paleogene to recent calcareous nannofossil datums, Expedition 317. (See table notes.)

Calcareous nannofossil datum Age
(Ma)
Zone/
Subzone
(base)
Reference
AB Emiliania huxleyi acme 0.08   Lourens et al. (2004)
LO Emiliania huxleyi 0.29 NN21 Lourens et al. (2004)
HO Pseudoemiliania lacunosa 0.44 NN20 Lourens et al. (2004)
HCO Reticulofenestra asanoi 0.91   Lourens et al. (2004)
LR Gephyrocapsa (>4 µm) 1.01   Lourens et al. (2004)
LCO Reticulofenestra asanoi 1.14   Lourens et al. (2004)
HO Gephyrocapsa (>6.5 µm) 1.21   de Kaenel et al. (1999)
HO Gephyrocapsa (>5.5 µm) 1.26   Lourens et al. (2004)
HO Helicosphaera sellii 1.34   Lourens et al. (2004)
LO Pseudoemiliania lacunosa acme 1.34   de Kaenel et al. (1999)
LO Gephyrocapsa (>5.5 µm) 1.56   Lourens et al. (2004)
HO Calcidiscus macintyrei 1.61   Lourens et al. (2004)
LO Gephyrocapsa (>4 µm) 1.69   Lourens et al. (2004)
Pliocene/Pleistocene boundary 1.806   Lourens et al. (2004)
HO Discoaster brouweri 1.93 NN19 Lourens et al. (2004)
LCO Discoaster triradiatus 2.14   Lourens et al. (2004)
HO Discoaster pentaradiatus 2.39 NN18 Lourens et al. (2004)
HO Discoaster surculus 2.49 NN17 Lourens et al. (2004)
HO Reticulofenestra amplus 2.78   Kameo and Bralower (2000)
HO Discoaster tamalis 2.80   Lourens et al. (2004)
HO Reticulofenestra minutula (circular) 3.36   Kameo and Bralower (2000)
HO Sphenolithus spp. 3.54   Lourens et al. (2004)
HO Reticulofenestra pseudoumbilicus 3.70 NN16 Lourens et al. (2004)
LCO Discoaster asymmetricus 4.13   Raffi et al. (2006)
HO Amaurolithus primus 4.50   Raffi et al. (2006)
HO Ceratolithus acutus 5.04   Lourens et al. (2004)
LO Ceratolithus rugosus 5.05 NN13 Lourens et al. (2004)
HO Triquetrorhabdulus rugosus 5.28   Lourens et al. (2004)
Miocene/Pliocene boundary 5.332   Lourens et al. (2004)
LO Ceratolithus larrymayeri 5.34   Lourens et al. (2004)
LO Ceratolithus acutus 5.35   Lourens et al. (2004)
HO Discoaster quinqueramus 5.58 NN12 Lourens et al. (2004)
HCO Nicklithus amplificus 5.98   Lourens et al. (2004)
X Nicklithus amplificus/Triquetrorhabdulus rugosus 6.79   Lourens et al. (2004)
LO Nicklithus amplificus 6.91   Lourens et al. (2004)
LO Amaurolithus spp. 7.36   Lourens et al. (2004)
LO Discoaster berggrenii 8.29   Lourens et al. (2004)
HO Catinaster calyculus 9.67   Lourens et al. (2004)
HO Discoaster hamatus 9.69 NN10 Lourens et al. (2004)
HO Catinaster coalitus 9.69   Lourens et al. (2004)
LO Discoaster hamatus 10.55 NN9 Lourens et al. (2004)
LO Catinaster calyculus 10.76   Lourens et al. (2004)
LO Catinaster coalitus 10.89 NN8 Lourens et al. (2004)
HO Coccolithus miopelagicus 11.02   Raffi et al. (2006)
HCO Discoaster kugleri 11.58   Lourens et al. (2004)
LCO Discoaster kugleri 11.86 NN7 Lourens et al. (2004)
HO Coronocyclus nitescens 12.12   Lourens et al. (2004)
HO Calcidiscus premacintyrei 12.45   Lourens et al. (2004)
HCO Cyclicargolithus floridanus 13.33   Lourens et al. (2004)
HO Sphenolithus heteromorphus 13.53 NN6 Lourens et al. (2004)
HO Helicosphaera ampliaperta 14.91 NN5 Lourens et al. (2004)
AE Discoaster deflandrei 15.66   Raffi et al. (2006)
LO Discoaster signus 15.70   Raffi et al. (2006)
LCO Sphenolithus heteromorphus 17.71   Lourens et al. (2004)
HCO Sphenolithus belemnos 17.95 NN4 Lourens et al. (2004)
HO Triquetrorhabdulus carinatus 18.28 NN3 Lourens et al. (2004)
LO Sphenolithus belemnos 19.03   Lourens et al. (2004)
LO Helicosphaera ampliaperta 20.43   Lourens et al. (2004)
X Helicosphaera euphratis/Helicosphaera carteri 20.92   Lourens et al. (2004)
HCO Triquetrorhabdulus carinatus 22.09   Raffi et al. (2006)
LO Sphenolithus disbelemnos 22.76   Lourens et al. (2004)
Oligocene/Miocene boundary 23.03   Lourens et al. (2004)
HO Sphenolithus delphix 23.11   Lourens et al. (2004)
LO Sphenolithus delphix 23.21   Lourens et al. (2004)
HO Sphenolithus ciperoensis 24.4 NN1 Blaj et al. (2009)
X Triquetrorhabdulus longus/Triquetrorhabdulus carinatus 24.7   Blaj et al. (2009)
HO Sphenolithus distentus 26.8 NP25 Blaj et al. (2009)
HO Sphenolithus predistentus 26.9   Blaj et al. (2009)
LO Sphenolithus ciperoensis 27.1 NP24 Blaj et al. (2009)
LO Sphenolithus distentus 30.0   Blaj et al. (2009)
HO Reticulofenestra umbilicus (>14 µm) 32.0 NP23 Blaj et al. (2009)
HO Isthmolithus recurvus 32.5   Villa et al. (2008)
HO Coccolithus formosus 32.9 NP22 Blaj et al. (2009)
Eocene/Oligocene boundary 33.8   Pälike et al. (2006b)
HO Discoaster saipanensis 34.4 NP21 Blaj et al. (2009)
HO Discoaster barbadiensis 34.8   Blaj et al. (2009)
HO Reticulofenestra reticulata 35.2   Backman (1987)
LO Isthmolithus recurvus 36.6 NP19 Backman (1986)
LO Chiasmolithus oamaruensis 37.0 NP18 Berggren et al. (1995)
HO Chiasmolithus grandis 37.1   Backman (1987)
LO Dictyococcites bisectus (>10 µm) 38.0   Berggren et al., 1995
HO Chiasmolithus solitus 40.4 NP17 Berggren et al., 1995
LO Reticulofenestra reticulata 42.0   Berggren et al., 1995
HO Nannotetrina spp. 42.3   Backman (1987)
LO Reticulofenestra umbilicus (>14 µm) 42.5   Backman (1987)
HO Nannotetrina fulgens 43.4   Backman (1986)
HO Chiasmolithus gigas 44.0 NP15c Backman (1986)
LO Sphenolithus furcatolithoides 45.8   Jovane et al. (2007)
LO Chiasmolithus gigas 46.1 NP15b Agnini et al. (2006)

Notes: Based on Ogg et al. (2008). AB = acme beginning, LO = lowest occurrence, HO = highest occurrence, HCO = highest common occurrence, LR = lowest entrance, LCO = lowest common occurrence, X = crossover event, AE = acme end.

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