Callovian 1
noundomain: time
EnWordnet [ver.5.0]
Definition
In the geologic timescale, an age or stage in the Middle Jurassic, lasting between 164.7 ± 4.0 Ma (million years ago) and 161.2 ± 4.0 Ma.
Examples
- 1.During the Callovian, Europe was an Archipelago of a dozen or so large islands.


