Asteroceras obtusum (Sowerby)
The 'classic' Lyme Regis Ammonite. Base cut grey limestone with a beautiful 3D calcite Ammonite. Developed right to the protoconch. Very attractive piece.
Jurassic, Upper Sinemurian, Obtusum Zone.
Black Ven, Charmouth / Lyme Regis, Dorset.
Ammonite : 6.5 cm diam.
