Callovian
Geologic period
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In the geologic timescale, the Callovian is an age and stage in the Middle Jurassic, lasting between 165.3 ± 1.1 Ma and 161.5 ± 1.0 Ma. It is the last stage of the Middle Jurassic, following the Bathonian and preceding the Oxfordian. Wikipedia
Occurred: 166.1 (+/- 1.2) million years ago - 163.5 (+/- 1) million years ago
Epoch: Middle Jurassic
Lower boundary GSSP candidate section(s): Pfeffingen, Swabian Alb, Germany; Russia
Upper boundary GSSP candidate section(s): Redcliff Point, Dorset, UK; Savouron, Provence, France
Fossils: BMNH R5911, BMNH R2680, BMNH R3536, and more
Organisms
