1 A substage in the Middle Permian, which is preceded by the Early Permian, followed by the Late Permian, and is dated at 270.5–260.4 Ma. Some authors extend the Kazanian to incorporate the Ufimian Age, referring to this longer time-span as the Kazanian (or Kama) Age.
2 The name of the corresponding eastern European stage, which is roughly contemporaneous with the upper Zechstein (western Europe), upper Guadalupian and lower Ochoan (N. America), and the upper Basleoan and lower Amarassian (New Zealand).
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