Pliensbachian
（重定向自Pliensbachian Stage）
![Pleuroceras spinatum Museum of Toulouse](/Images/godic/202502/03/Pleuroceras_spinatum_MHNT.PAL.CEP.2001.860405.jpg")
The Pliensbachian is an age of the geologic timescale or stage in the stratigraphic column. It is part of the Early or Lower Jurassic epoch or series and spans the time between 190.8 ± 1.5 Ma and 182.7 ± 1.5 Ma (million years ago). The Pliensbachian is preceded by the Sinemurian and followed by the Toarcian.