|Subdivision of the Triassic system
according to the IUGS, as of July 2012.
In the geologic timescale, the Middle Triassic is the second of three epochs of the Triassic period or the middle of three series in which the Triassic system is divided. It spans the time between 247.2 Ma and ~237 Ma (million years ago). The Middle Triassic is divided into the Anisian and Ladinian ages or stages.
Formerly the middle series in the Triassic was also known as Muschelkalk. This name is now only used for a specific unit of rock strata with approximately Middle Triassic age, found in western Europe.
|Lower/Early Triassic||Middle Triassic||Upper/Late Triassic|
|Induan |Olenekian||Anisian | Ladinian||Carnian | Norian
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