Definitions for Aalenian
This page provides all possible meanings and translations of the word Aalenian
Of or pertaining to the Aalenian period.
A subdivision of the Middle Jurassic period.
The Aalenian is a subdivision of the Middle Jurassic epoch/series of the geologic timescale that extends from about 175.6 Ma to about 171.6 Ma. It was preceded by the Toarcian and succeeded by the Bajocian.
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