Botomian Russian-Kazakhian Stage
From 524 To 518.5 Ma
Start Based On: Gradstein and Ogg, "A Phanerozoic time scale", _Episodes_,
v.19, no.1&2., 1996.
-- Overlaps With --
Australian Stage: Ordian (520 - 510)
Chinese Stage: Qungzusian (532 - 523)
Chinese Stage: Changlangpuan (523 - 518)
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Paleozoic (542 - 251)
Period: Cambrian (542 - 488.3)
Epoch: Early Cambrian (542 - 513)
North American Stage: Dyeran (524.5 - 512)
Regional Stage: Lenian (524 - 513)
-- Preceeded By --
Russian-Kazakhian Stage: Atdabanian (530 - 524)
-- Followed By --
Russian-Kazakhian Stage: Toyonian (518.5 - 513)
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