Middle Triassic

Middle Triassic
System Series Stage Age (Ma)
Jurassic Lower Hettangian younger
Triassic Upper Rhaetian 199.6–203.6
Norian 203.6–216.5
Carnian 216.5–228.0
Middle Ladinian 228.0–237.0
Anisian 237.0–245.0
Lower Olenekian 245.0–249.7
Induan 249.7–251.0
Permian Lopingian Changhsingian older
Subdivision of the Triassic system according to the IUGS, as of July 2009.

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 245 ± 1.5 Ma and 228 ± 2 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.


Triassic Period
Lower/Early Triassic Middle Triassic Upper/Late Triassic
Induan | Olenekian Anisian | Ladinian Carnian | Norian