Table T9. Radiolarian datum events, Expedition 316. (See table note.)
| Event | Zone | Age (Ma) |
|---|---|---|
| LO Axoprunum acquilonium | 0.4 | |
| LO Stylatractus universus | Botryostrobus aquilonaris | 0.4 |
| LO Anthocyrtella (?) callopisma | 0.6 | |
| LO Lamprocyrtis neoheteroporos | 0.85 | |
| FO Lychnocanoma nipponica sakaii | 0.95 | |
| LO Eucyrtidium matuyamai | Stylatractus universus | 1.05 |
| LO Sphaeropyle robusta | 1.46 | |
| FO Eucyrtidium matuyamai | Eucyrtidium matuyamai | 1.8 |
| LO Lamprocyrtis heteroporos | 1.8 | |
| LCO Cycladophora sakaii | 2.3 | |
| FO Botryostrobus aquIlonaris | 2.65 | |
| FO Ceratospyris borealis | 2.65 | |
| FCO Cycladophora davisiana | 2.65 | |
| LO Thecosphaera akitaensis | 2.65 | |
| LO Stichocorys delmontensis | 2.75 | |
| LO Stichocorys peregrina | 2.75 | |
| ET Didymocyrtis tetrathalamus tetrathalamus | 3 | |
| RI Spongosphaera resurgens osculosa | 3.15 | |
| LO Ommatartus sp. | 3.2 | |
| LO Dictyophimus bullatus | Cycladophora sakaii | 3.4 |
| LO Phormostichoartus fistula | 4.1 | |
| ET Didymocyrtis avita | 4.2 | |
| FO Dictyophimus bullatus | Dictyophimus bullatus | 4.2 |
| LO Stichocorys spp. group | 4.2 | |
| FO Thecosphaera akitaensis | 4.3 | |
| LO Dictyophimus bullatus | 4.3 | |
| LO Didymocyrtis penultima | 4.4 | |
| FO Dictyophimus bullatus | 4.5 | |
| RD Siphocampe ex. gr. arachnea | 4.5 | |
| LCO Stichocorys spp. group | 4.6 | |
| RI Siphocampe ex. gr. arachnea | 4.7 | |
| LCO Lipmanella japonica | 4.7 | |
| RD Arachnocorallium spp. group | 4.75 | |
| LCO Lipmanella redondoensis | 5.06 | |
| FCO Thecosphaera pseudojaponica | 5.1 | |
| LO Ommatartus sp. | 5.16 | |
| FO Lamprocyrtis heteroporos | 5.26 | |
| FO Spongurus pylomaticus | Spongurus pylomaticus | 5.26 |
| RD Lithelius barbatus | 5.26 | |
| RI Arachnocorallium spp. group | 5.26 | |
| LO Dictyophimus splendens | 5.63 | |
| LO Lychnocanoma parallelipes | Axoprunum acquilonium | 6.08 |
| FO Sphaeropyle langii | 6.1 | |
| LO Stichocorys delmontensis | 6.16 | |
| FCO Thecosphaera japonica | 6.3 | |
| FO Ommatartus sp. | 6.6 | |
| LO Lychnocanoma nipponica nipponica | 6.62 | |
| FO Axoprunum acquilonium | Lithelius barbatus | 7.193 |
| RI Lithelius barbatus | 7.193 | |
| LO Cycladophora cabriloensis | 7.193 | |
| LO Cycladophora nakasekoi | 7.193 | |
| FO Lychnocanoma parallelipes | 7.2 | |
| RI Stichocorys peregina | 7.2 |
Note: LO = last occurrence, FO = first occurrence, LCO = last consistent occurrence, FCO = first consistent occurrence, ET = evolutionary transition, RI = rapid increase, RD = rapid decrease.
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