ARCHIVED: Asteroceras Obtusum Ammonite on Bronze 483mmA wonderful Asteroceras ammonite presented on THE FOSSIL STORE AES bronze stand designed for minimal spaces, and created for easy removal and study. Discovered at Black Ven Marls in Dorset, England and prepared from within the original matrix Discovering an Asteroceras of this calibre and size is a rare event and makes this a scientifically important piece. The calcite and quartz variations are intricate throughout the internal structure of the