17.5 cm Microderoceras birchi (Sowerby, 1820) (ammonite) Dorset UK
Species: Microderoceras birchi Ammonite Sowerby 1920
Age: Jurassic, Birchi Subzone, Turneri Zone of the Sinemurian
Location: Black Ven, Lyme Regis, UK
Ammonite Dimension: approx. 17.5 cm at its widest point
This ammonite has been prepared on both sides removing almost all of the surrounding rock. It is a time consuming process to do this.