Table T3. Age estimates of radiolarian datum events considered for Expedition 346.
| Event and species | Age (Ma) |
Zone (base) |
Reference |
|---|---|---|---|
| LO Lychnocanoma sakaii (Morley and Nigrini) | 0.05 | Itaki et al., 2007 | |
| LO Amphimelissa setosa (Cleve) | 0.08 | Itaki et al., 2007 | |
| LO Spongodiscus sp. Kling (1973) | 0.29 | Matul et al., 2002 | |
| LO Stylatractus universus Hays | 0.43 | B. aquilonaris | Motoyama, 2014 |
| LO Eucyrtidium matuyamai Hays | 1.03 | S. universus | Motoyama, 2014 |
| FO Eucyrtidium matuyamai Hays | 1.98 | E. matuyamai | Motoyama, 2014 |
| LO Lamprocyrtis heteroporos (Hays) | 1.98 | Kamikuri et al., 2004 | |
| LO Axoprunum acquilonium (Hays) | 1.2–1.7 | Alexandrovich, 1992 | |
| LO Cycladophora sakaii Motoyama | 2.30 | Kamikuri et al., 2004 | |
| FCO Cycladophora davisiana (Ehrenberg) | 2.70 | Motoyama, 2014 | |
| LO Hexacontium parviakitaensis Kamikuri | 2.70 | Motoyama, 2014 | |
| LO Dictyophimus bullatus Morley and Nigrini | 3.9–4.3 | C. sakaii | Motoyama, 2014 |
| FO Hexacontium parviakitaensis Kamikuri | 3.9–4.3 | Motoyama, 2014 | |
| FO Dictyophimus bullatus Morley and Nigrini | 4.40 | D. bullatus | Motoyama, 2014 |
| RD Siphocampe arachnea (Ehrenberg) group | 4.46 | Kamikuri et al., 2004 | |
| RI Siphocampe arachnea (Ehrenberg) group | 4.71 | Kamikuri et al., 2004 | |
| LO Lipmanella redondoensis (Campbell and Clark) | 5.06 | Kamikuri et al., 2004 | |
| FCO Thecosphaera pseudojaponica Nakaseko | 5.11 | Motoyama, 1996 | |
| FO Larcopyle pylomaticus (Riedel) | 5.30 | L. pylomaticus | Motoyama, 2014 |
| RD Lithelius barbatus Motoyama | 5.30 | Motoyama, 2014 | |
| FO Thecosphaera japonica Nakaseko | 6.10 | Motoyama, 2014 | |
| LO Lychnocanoma parallelipes Motoyama | 6.10 | A. acquilonium | Motoyama, 2014 |
| FO Axoprunum acquilonium (Hays) | 7.00 | Motoyama, 2014 | |
| RI Lithelius barbatus Motoyama | 7.00 | L. barbatus | Motoyama, 2014 |
| LO Cycladophora nakasekoi Motoyama | 7.40 | Motoyama, 2014 | |
| LO Cycladophora funakawai Kamikuri | 7.40 | Kamikuri, 2010 | |
| LO Lychnocanoma magnacornuta Sakai | 7.40 | Motoyama, 2014 | |
| FO Lychnocanoma parallelipes Motoyama | 7.40 | L. parallelipes | Motoyama, 2014 |
| FO Cycladophora sakaii Motoyama | 8.45 | Kamikuri et al., 2004 | |
| LC Lychnocanoma magnacornuta Sakai | 9.00 | L. redondoensis | Motoyama, 2014 |
| FO Cycladophora nakasekoi Motoyama | 10.10 | Motoyama, 2014 | |
| LO Cyrtocapsella japonica Nakaseko | 10.10 | Motoyama, 2014 | |
| LO Dendrospyris uruyaensis Kamikuri | 10.10 | Motoyama, 2014 | |
| LO Eucyrtidium inflatum Kling | 11.80 | Motoyama, 2014 | |
| LO Cyrtocapsella tetrapera (Haeckel) | 11.80 | Motoyama, 2014 | |
| LO Lithopera renzae Sanfilippo and Riedel | 11.80 | Kamikuri et al., 2007 | |
| FO Dendrospyris uruyaensis Kamikuri | 11.80 | Motoyama, 2014 | |
| FO Lychnocanoma magnacornuta Sakai | 11.80 | L. magnacornuta | Motoyama, 2014 |
| RD Cyrtocapsella tetrapera (Haeckel) | 12.60 | Motoyama, 2014 | |
| LO Stylosphaera magnaporulosa (Nakaseko) | 13.10 | Motoyama, 2014 | |
| LO Eucyrtidium asanoi Sakai | 13.80 | Motoyama, 2014 | |
| LO Stichocorys armata (Haeckel) | 14.69 | Kamikuri et al., 2004 | |
| LO Dendrospyris sakaii Sugiyama and Furutani | 14.83 | Kamikuri et al., 2004 | |
| LO Pentactinosphaera hokurikuensis (Nakaseko) | 14.99 | Kamikuri et al., 2004 | |
| FO Eucyrtidium asanoi Sakai | 15.30 | Motoyama, 2014 | |
| FO Eucyrtidium inflatum Kling | 15.30 | E. inflatum | Motoyama, 2014 |
FO = first occurrence, LO = last occurrence, FCO = first common occurrence, ET = evolutionary transition, RI = rapid increase, RD = rapid decrease.
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