Bathonian 1
noundomain: time
EnWordnet [ver.5.0]
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EnglishDefinition
In the geologic timescale the Bathonian is an age or stage of the Middle Jurassic; it lasted from approximately 168.3 to around 166.1 million years ago.
Examples
- 1.The base of the Bathonian is at the first appearance of ammonite species Parkinsonia (Gonolkites) convergens in the stratigraphic column.
