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Tithonian

Period
In the geological timescale, the Tithonian is the latest age of the Late Jurassic Epoch and the uppermost stage of the Upper Jurassic Series. It spans the time between 149.2 ±0.7 Ma and 145.0 ± 4 Ma. It is preceded by the Kimmeridgian and followed... Wikipedia
Occurred: 152.1 (+/- 0.9) million years ago - 145 million years ago
Age: between 152.1 million and 145 million years ago
Lower boundary definition: Not formally defined
Lower boundary GSSP candidate section(s): Mount Crussol, France; Canjuers, France; Fornazzo, Sicily, Italy
Upper boundary definition candidates: Magnetic—base of Chron M18r; Base of Calpionellid zone B; FAD of Ammonite Berriasella jacobi