Table 5. Low latitude radiolarian events.
Epoch | Zones | Low Latitude Radiolarian Events |
Quaternary | Buccinosphaera invaginata |
|
Bm Buccinosphaera invaginata | ||
Collosphaera tuberosa | Tm Stylatractrus universus | |
Bm Collosphaera tuberosa | ||
Amphirhopalum ypsilon | Tm Pterocorys campanula | |
Bm Pterocorys hertwigii | ||
Tm Anthocyrtidium angulare | ||
Anthocyrtidium angulare | Bm Lamprocyrtis nigriniae | |
Tm Lamprocyrtis neoheteroporos | ||
Tm Pterocanium prismatium | ||
Pliocene | Pterocanium prismatium | Bm Anthocyrtidum angulare |
Tm Theocorythium vetulum | ||
Bm Lamprocyrtis neoheteroporos | ||
Bm Theocorythium trachelium trachelium | ||
Tm Stichocorys peregrina | ||
Spongaster pentas | Didymocyrtis avita -> Didymocyrtis tetrathalamus | |
Tm Phormostichoartus fistula | ||
Tm Lychnodictyum audax | ||
Tm Phormostichoartus doliolum | ||
Bm Amphirhopalum ypsilon | ||
Spongaster pentas -> Spongaster tetras tetras | ||
Didymocyrtis penultima -> Didymocyrtis avita; Bm Theocorythium vetulum | ||
Spongaster berminghami -> Spongaster pentas | ||
Stichocorys peregrina | Tm Siphostichartus corona; Bm Pterocorys campanula | |
Late Miocene |
Tm Acrobotrys tritubus; Tm Calocycletta caepa | |
Tm Stichocorys johnsoni | ||
Tm Calocycletta cladara | ||
Stichorcorys delmontensis -> Stichocorys peregrina | ||
Didymocyrtis penultima | Bm Solenosphaera omnitubus omnitubus; Bm Solenosphaera omnitubus procera | |
Didymocyrtis antepenultima -> Didymocyrtis penultima | ||
Tm Diartus hughesi | ||
Didymocyrtis antepenultima | Tm Dictyocoryne ontongensis; Bm Acrobotrys tritubus | |
Tm Botryostrobus miralestensis | ||
Bm Spongaster berminghami | ||
Didymocyrtis laticonus -> Didymocyrtis antepenultima | ||
Diartus petterssoni -> Diartus hughesi |