Proceedings of the International Ocean Discovery Program, Volume 367/368 Expedition 368X methods supplement, Figure F5. Calcareous nannofossil and planktonic foraminiferal events and scaled ages used during Expedition 368X (Gradstein et al., 2012). https://doi.org/10.14379/iodp.proc.368X.102.2020 Planktonic Calcareous foraminifers nannofossils Radiolarians Blow (1969) and Kennett Okada Sanfilippo Age Berggren and and and et al. Srinivasan Martini Bukry Nigrini (1995) (1983) (1971) (1981) (1998) Datum/Event (Ma) Secondary datum/event (Ma) (Ma) Period Epoch Age/Stage Polarity Chron 0 Hol. RN17 T Globorotalia flexuosa (0.07) Taran- NN21 CN15 B Buccinosphaera invaginata (0.18) T Globigerinoides ruber rosa (0.12) tian B Emiliania huxleyi (0.29) B Globigerinella calida (0.22) b b RN16 T Pseudoemiliania lacunosa (0.44) C1n NN20 T Stylatractus universus (0.44) B Globorotalia flexuosa (0.40) 0.5 RN15 B Collosphaera tuberosa (0.59) B Globorotalia hirsuta (0.45) CN14 T Globorotalia tosaensis (0.61) T Gephyrocapsa sp. 3 (0.61) Ionian a B Globorotalia hessi (0.75) Pt1 Tc Reticulofenestra asanoi (0.91) 1 N22 RN14 B Gephyrocapsa sp. 3 (1.02) 1 B Gephyrocapsa spp. >4 µm reentrance (1.04) Ta Gephyrocapsa spp. small (1.02) a NN19 T Anthocyrtidium angulare (1.21) Bc Reticulofenestra asanoi (1.14) C1r T Gephyrocapsa spp. >5.5 µm (1.24) Ba Gephyrocapsa spp. small (1.24) 2 b T Calcidiscus macintyrei (1.60) B Lamprocyrtis nigriniae (1.26) 1.5 CN13 B Gephyrocapsa spp. >5.5 µm (1.62) T Helicosphaera sellii (1.26) Calabrian RN13 B Gephyrocapsa spp. >4 µm (1.73) T Lamprocyrtis neoheteroporos (1.28) T Globigerinoides fistulosus (1.88) B Anthocyrtidium angulare (1.81) a T Discoaster brouweri (1.93) T Discoaster triradiatus (1.95) Pleistocene C2n Quaternary B Globorotalia truncatulinoides (1.93) T Globigerinoides extremus (1.98) 2 1 T Pterocanium prismatium (2.04) PL6 NN18 d T Theocorythium vetulum (2.04) C2r T Discoaster pentaradiatus (2.39) Ba Discoaster triradiatus (2.22) 2 b T Globorotalia pseudomiocenica (2.39) T Globorotalia pertenuis (2.30) NN17 c T Globoturborotalita woodi (2.30) Gelasian T Discoaster surculus (2.49) 2.5 RN12 B Lamprocyrtis neoheteroporus (2.65) b T Anthocyrtidium jenghisi (2.74) T Globoturborotalita decoraperta (2.75) CN12 a T Discoaster tamalis (2.80) T Globorotalia multicamerata (2.98) 1 T Stichocorys peregrina (2.87) T Didymocyrtis avita (3.18) 3 C2An PL5 N20/ B Globigerinoides fistulosus (3.33) NN16 B Globorotalia tosaensis (3.35) 2 N21 a b T Anthocyrtidium pliocenica (3.40) B Globorotalia pertenuis (3.52) RN11 T Phormostichoartus fistula (3.49) T Sphenolithus spp. (3.54) 3.5 Piacenzian 3 PL4 T Dentoglobigerina altispira (3.47) T Lychnodictyum audax (3.60) T Sphaeroidinellopsis seminulina (3.59) T Pulleniatina primalis (3.66) PL3 a T Reticulofenestra pseudoumbilicus (3.70) B Amphirhopalum ypsilon (4.01) C2Ar NN15 T Globorotalia margaritae (3.85) b T Phormostichoartus doliolum (3.89) T Spongaster pentas (4.13) 4 NN14 RN10 T Amaurolithus tricorniculatus (3.92) B Spongaster tetras tetras, S. pentas (4.13) PL2 CN11 Bc Discoaster asymmetricus (4.13) T Pulleniatina spectabilis (4.21) T Didymocyrtis penultima (4.24) T Spongaster berminghami (4.22) 1 a T Globoturborotalita nepenthes (4.37) T Spongaster klingi (4.22) Pliocene T Amaurolithus primus (4.50) B Globorotalia crassaformis s.l. (4.31) 4.5 T Globorotalia cibaoensis (4.60) 2 C3n NN13 Zanclean c 3 N18/ 5 PL1 CN10 T Ceratolithus acutus (5.04) 4 N19 B Ceratolithus rugosus (5.12) T Triquetrorhabdulus rugosus (5.28) b T Solenosphaera omnitubus procera (5.31) NN12 B Ceratolithus acutus (5.35) T Solenosphaera omnitubus omnitubus (5.31) a 5.5 B Globorotalia tumida [Pacific] (5.57) B Sphaeroidinellopsis dehiscens s.l. (5.53) C3r T Discoaster quinqueramus (5.59) B Pterocorys campanula (5.67) d B Turborotalita humilis (5.81) M14 T Globoquadrina dehiscens (5.92) 6 RN9 T Nicklithus amplificus (5.94) B Globorotalia margaritae (6.08) b T Globorotalia lenguaensis (6.14) B Globigerinoides conglobatus (6.20) 1 C3An c B Pulleniatina primalis (6.60) 6.5 2 Messinian B Globorotalia nicolae (6.83) B Nicklithus amplificus (6.91) 7 C3Ar NN11 CN9 B Neogloboquadrina atlantica (dex. -> sin.) (6.99) N17 b 1 C3Bn b B Solenosphaera omnitubus procera (7.41) 2 C3Br B Amaurolithus primus/Amaurolithus spp. (7.42) B Solenosphaera omnitubus omnitubus (7.41) 7.5 T Discoaster loeblichii (7.53) 1 a C4n B Stichocorys peregrina, T Stichocorys delmontensis (7.78) Bc Discoaster surculus (7.79) a B Globorotalia miotumida-conomiozea (7.89) 8 2 M13 RN8 B Discoaster quinqueramus (8.12) 1 B Didymocyrtis penultima (8.39) B Discoaster berggrenii (8.29) T Didymocyrtis antepenultima (8.39) C4r T Diartus hughesi (8.39) B Neogloboquadrina humerosa (8.56) 8.5 2 B Globorotalia plesiotumida (8.58) T Minylitha convallis (8.68) RN7 B Discoaster loeblichii (8.77) Bc Reticulofenestera pseudoumbilicus (8.79) NN10 CN8 B Diartus hughesi, T Diartus petterssoni (8.84) 9 C4An B Globigerinoides extremus (8.93) N16 T Discoaster bollii (9.21) 1 a Bc Discoaster pentaradiatus (9.37) C4Ar B Globorotalia cibaoensis (9.44) 9.5 T Discoaster hamatus (9.53) 2 T Catinaster calyculus (9.67) T Catinaster coalitus (9.69) B Neogloboquadrina acostaensis (9.83) B Globorotalia juanai (9.69) Tortonian 1 B Minylitha convallis (9.75) 10 NN9 CN7 X Discoaster hamatus -> D. neohamatus (9.76) M12 N15 T Globorotalia challengeri (9.99) B Discoaster bellus (10.40) C5n T Paragloborotalia mayeri (10.46) B Discoaster neohamatus (10.55) 10.5 2 B Discoaster hamatus (10.55) Bc Helicosphaera stalis (10.71) B Neogloboquadrina acostaensis [temperate] (10.57) Tc Helicosphaera walbersdorfensis (10.74) NN8 CN6 RN6 B Discoaster brouweri (10.76) B Catinaster coalitus (10.89) B Catinaster calyculus (10.79) 11 M11 N14 T Coccolithus miopelagicus (10.97) 1 B Globoturborotalita apertura (11.18) T Calcidiscus premacintyrei (11.21) Tr Globigerinoides obliquus (11.25) 2 NN7 b T Paragloborotalia mayeri [temperate] (11.40) B Globoturborotalita decoraperta (11.49) 11.5 C5r T Globigerinoides subquadratus (11.54) B Globoturborotalita nepenthes (11.63) Tc Discoaster kugleri (11.58) M10 N13 T Fohsella fohsi (11.79) 3 Bc Discoaster kugleri (11.90) T Cyclicargolithus floridanus (11.85) 12 T Clavatorella bermudezi (12.00) 1 T Coronocyclus nitescens (12.12) C5An CN5 2 b Tc Calcidiscus premacintyrei (12.38) 12.5 Bc Calcidiscus macintyrei (12.46) 1 M9 N12 NN6 a B Reticulofenestra pseudoumbilicus (12.83) Neogene 2 C5Ar B Globorotalia lenguanensis (12.84) 3 B Sphaeroidinellopsis subdehiscens (13.02) 13 B Fohsella robusta (13.13) C5AAn B Fohsella robusta (13.13) B Triquetrorhabdulus rugosus (13.27) Serravallian C5AAr a T Cassigerinella martinezpicoi (13.27) B Fohsella fohsi (13.41) Tc Cyclicargolithus floridanus (13.28) C5ABn B Calcidiscus macintyrei (13.36) 13.5 M8 N11 T Sphenolithus heteromorphus (13.53) C5ABr T Fohsella peripheroronda (13.80) RN5 B Fohsella praefohsi (13.77) Tr Clavatorella bermudezi (13.82) C5ACn T Globorotalia archeomenardii (13.87) Miocene M7 N10 14 C5ACr NN5 CN4 B Fohsella peripheroacuta (14.24) C5ADn B Globorotalia praemenardii (14.38) 14.5 T Praeorbulina sicana (14.53) T Praeorbulina sicana (14.53) M6 N9 T Globigeriantella insueta (14.66) C5ADr T Praeorbulina glomerosa s.s. (14.78) 1 T Helicosphaera ampliaperta (14.91) T Praeorbulina circularis (14.89) 15 C5Bn B Dorcadospyris alata, Dorcadospyris dentata (15.03) 2 B Orbulina suturalis (15.10) Langhian 15.5 C5Br B Clavatorella bermudezi (15.73) M5 b N8 Ta Discoaster deflandrei group (15.80) B Discoaster signus (15.85) B Praeorbulina circularis (15.96) 16 B Globigerinoides diminutus (16.06) 1 a RN4 B Praeorbulina glomerosa s.s. (16.27) B Globorotalia archeomenardii (16.26) 2 C5Cn NN4 CN3 B Praeorbulina sicana (16.38) B Praeorbulina curva (16.28) 16.5 b T Globorotalia incognita (16.39) 3 B Globorotalia birnageae (16.69) B Globorotalia miozea (16.70) M4 N7 17 C5Cr a B Globorotalia zealandica (17.26) C5Dn B Globorotalia semivera (17.26) 17.5 N6 T Catapsydrax dissimilis (17.54) 1 B Globigeriantella insueta s.s. (17.59) C5Dr B Calocycletta (Calocyclissima) costata (17.59) B Sphenolithus heteromorphus (17.71) 2 18 T Sphenolithus belemnos (17.95) NN3 RN3 T Triquetrorhabdulus carinatus (18.28) B Globorotalia praescitula (18.26) C5En M3 18.5 CN2 C5Er B Stichocorys wolffii (18.64) Burdigalian B Sphenolithus belemnos (19.03) 19 T Globiquadrina binaiensis (19.09) C6n B Globigerinatella sp. (19.30) N5 RN2 B Globiquadrina binaiensis (19.30) 19.5 C6r 20 T Theocyrtis annosa (20.05) B Globigerinoides altiaperturus (20.03) M2 1 C6An B Helicosphaera ampliaperta (20.43) 20.5 2 NN2 T Tenuitella munda (20.78) C6Ar c RN1 X Helicosphaera euphratis -> H. carteri (20.92) 21 CN1 B Globorotalia incognita (20.93) C6AAn T Paragloborotalia kugleri (21.12) T Globoturborotalita angulisuturalis (20.94) 1 T Paragloborotalia pseudokugleri (21.31) C6AAr B Globoquadrina dehiscens forma spinosa (21.44) 21.5 2 3 b B Cyrtocapsella tetrapera (21.82) 1 T Dentoglobigerina globularis (21.98) 22 C6Bn M1 Bc Helicosphaera carteri (22.03) Aquitanian 2 N4 C6Br B Globoquadrina dehiscens (22.44) T Orthorhabdus serratus (22.42) 22.5 a B Sphenolithus disbelemnos (22.76) 1 B Discoaster druggi s.s. (22.82) T Globigerina ciperoensis (22.90) C6Cn B Paragloborotalia kugleri (22.96) B Globigerinoides trilobus s.l. (22.96) 23 2 NN1 a/b RP22 T Sphenolithus capricornutus (22.97) T Reticulofenestra bisecta >10 µm (23.13) T Globigerina euapertura (23.03) T Sphenolithus delphix (23.11) 3 B Sphenolithus delphix (23.21) Bc Globigerinoides primordius (23.50) 23.5 C6Cr T Tenuitella gemma (23.50) T Zygrhablithus bijugatus (23.76) 24 1 O7 B Lychnocanoma elongata (24.18) 2 C7n 24.5 T Sphenolithus ciperoensis (24.43) C7r X Triquetrorhabdulus longus ->T.