This impressive Microderoceras Birchi is one of the finest we have ever seen - not only for its size, but the preservation and skill taken to prepare the double row of spines which are characteristic of this Lyme Regis ammonite species. A fantastic British fossil, collected a number of years ago from Black Ven.
Location: Black Ven, Lyme Regis, Dorset, England
Age: Lower Jurassic, Lower Lias, Birchi Subzone - 200 million years old
Measurements: Ammonite (18cm across), Stone (36cm x 28cm)
Weight: 9kg
